What is it? Medial Tibial Stress Syndrome (MTSS) is an overuse injury causing pain along the inner shin bone. It's one of the most common running injuries, especially in newer runners or those who've rapidly increased mileage.

Why does it happen? The bone and surrounding tissue get stressed faster than they can adapt. Key risk factors include:

• Sudden spikes in training volume or intensity
• Running on hard surfaces without enough rest
• Weak hip abductors and poor foot mechanics
• Worn-out or poorly fitting shoes

What to do: Reduce your running load — don't stop completely unless pain is severe. Swap some runs for low-impact cross-training (cycling, swimming). Focus on calf strengthening, hip stability work, and ensure your footwear is appropriate.

Return to running: Gradually build back using a walk-run approach. Pain should be no more than 2/10 during exercise and should settle within an hour of finishing.

What is it? IT Band Syndrome causes pain on the outside of the knee during running — often appearing at a predictable point in a run (usually around 10–20 minutes in) and easing when you stop.

The real cause: Despite what many believe, the IT band doesn't actually stretch. The pain comes from compression of the tissue beneath it, usually due to:

• Weak glutes and hip abductors (the most common driver)
• Running too many miles too quickly
• Excessive downhill running
• A narrow running gait or crossover stride

Treatment: Reduce mileage temporarily. Prioritise glute-med and hip strengthening exercises — clamshells, lateral band walks, single-leg work. Foam rolling the TFL (upper outer thigh) can help reduce tension, but it won't fix the root cause.

Return: Most runners resolve ITBS within 4–8 weeks with consistent rehab. Return to running gradually — hills and speed work last.

What is it? Achilles tendinopathy is a degeneration of the Achilles tendon — the thick cord connecting your calf to your heel. It causes pain and stiffness, typically worst first thing in the morning or at the start of a run, easing as you warm up.

What causes it? Tendons struggle with sudden spikes in load. Common triggers include:

• A sudden increase in mileage, speed, or hill running
• Returning to running after a break too quickly
• Weak calf complex — both gastrocnemius and soleus
• Stiff ankle mobility

Treatment: The gold standard is progressive loading — not rest. Heavy slow resistance (HSR) calf exercises, particularly the single-leg heel raise, are the most evidence-based treatment. Start with double-leg, progress to single-leg, add load over time.

Timeline: Tendons are slow to heal — expect 8–12 weeks minimum. Running through mild symptoms is usually fine if guided correctly.

What is it? Plantar fasciitis is irritation of the plantar fascia — the thick band of tissue running along the sole of your foot from heel to toes. The hallmark symptom is heel pain that's worst with the first steps in the morning.

Why does it happen?

• Overloading: too much running, too fast a progression
• Tight calf and Achilles — pulls on the fascia
• Weak foot intrinsic muscles and poor foot stability
• Footwear that doesn't suit your foot type

What helps: Calf stretching, plantar fascia massage (rolling a ball under the foot), and strengthening the foot and calf. Short-foot exercises and single-leg calf raises are particularly effective.

Taping and orthotic insoles can give short-term relief while you address the root cause. Most cases resolve within 3–6 months with consistent management.

What is it? Patellofemoral Pain Syndrome (PFPS) causes aching pain around or behind the kneecap, often worse going downstairs, squatting, or after sitting for long periods. It's extremely common in runners.

Root causes: Despite feeling like a knee problem, PFPS often originates higher up. Weak glutes allow the hip to drop and rotate inward, increasing stress on the kneecap. Other contributors include:

• Tight quads and hip flexors pulling on the patella
• Rapid mileage increases
• Overstriding — landing with the foot too far in front
• Weak VMO (inner quad)

Treatment: Hip and glute strengthening is the cornerstone. Quad stretching and foam rolling, alongside load management. Avoid full squats and deep knee bends in the early stages.

You've probably heard it: don't increase your weekly mileage by more than 10% per week. It's one of running's oldest guidelines — but how solid is it?

The evidence: Research is mixed. The 10% rule is a useful guardrail, especially for newer runners, but the bigger picture is training load spikes — sudden jumps in volume or intensity that your tissues haven't had time to adapt to.

What matters more than 10%:

• Your training history and current fitness base
• How well you're recovering (sleep, nutrition, stress)
• The ratio of hard to easy running
• Your body's response — pain or heavy legs are signals

Experienced runners can tolerate more variation. But when returning from injury or illness, being more conservative than 10% is wise. Build the base first — fitness follows.

Strength training is one of the most evidence-backed ways to reduce running injury risk and improve performance. Yet it's the first thing most runners drop when training gets busy. Here's the minimum effective dose.

Why it matters:

• Stronger muscles absorb impact forces more effectively
• Reduces overuse injury risk by up to 50% in some studies
• Improves running economy (less effort at the same pace)
• Supports bone density — especially important for masters runners

What to prioritise: Single-leg work is king for runners — it mirrors the demands of running. Key exercises: single-leg calf raises, single-leg Romanian deadlifts, split squats, glute bridges, lateral band work.

When to do it: Avoid hard strength sessions the day before a key run workout. After easy runs or on rest days works well for most runners.

If you ask most runners to describe their easy pace, they'll tell you something that's actually moderate. This "grey zone" training is one of the most common reasons runners plateau and get injured.

The polarised training model — backed by substantial research — suggests most elite runners do 80% of their training at genuinely easy effort (conversational pace, low heart rate) and only 20% at hard effort. Very little in the middle.

How easy is easy?

• You can hold a full conversation without gasping
• Your heart rate is below 75% of max
• It feels almost too slow — that's correct

If you're running 4–5 days a week, 3–4 of those should be genuinely easy. The cumulative aerobic benefit builds regardless of speed.

One of the most common reasons runners get injured is coming back too fast after a break. Whether you've been off for 2 weeks, 3 months, or a year — the principle is the same: your fitness fades slower than your tissue tolerance. Your heart and lungs will feel ready long before your tendons, bones, and joints are.

How quickly does fitness fade?

• 2 weeks off: minimal cardiovascular fitness loss. You'll feel fine running again quickly
• 4-6 weeks off: noticeable decline in aerobic capacity (~5-10%). Perceived effort increases
• 3+ months off: significant detraining. Treat yourself as a returning beginner, even if you were advanced

The golden rule: half the time off, half the build

A rough guide: for every week you were off, plan one week of gradual build. If you had 6 weeks off, allow 6 weeks to get back to your previous training load. This feels frustratingly conservative — but it prevents the cycle of injury → recovery → injury that most runners get stuck in.

Practical return-to-run steps

• Week 1-2: Walk-run intervals. 1 min run, 2 min walk × 8-10 repetitions. Every other day only
• Week 3-4: 10-15 minute continuous easy runs. 3 sessions per week maximum
• Week 5-6: Build to 20-25 minutes. Introduce a fourth session only if weeks 3-4 felt completely comfortable
• Week 7+: Increase by no more than 10% total weekly volume per week

Warning signs to respect

• Any pain above a 3/10 — stop, rest, reassess
• Pain that worsens during a run — stop the session
• Pain that's still present the following morning — take an extra rest day
• Swelling in any joint after running — get it assessed

Patience during return is an investment. Runners who take an extra two weeks now save themselves months of frustration later.

Nutrition is where most recreational runners leave the most performance on the table. Not because they're not trying — but because the advice is confusing, often contradictory, and not matched to their actual training load. Here's what the evidence actually says.

The basics: what powers your running

At easy to moderate intensity, your body uses a mix of fat and carbohydrate. As intensity rises, the balance shifts toward carbohydrate. The problem is that your carbohydrate stores (glycogen) are limited — roughly 90 minutes of moderate-to-hard running at best. When they run out, you hit the wall.

Before your long run

• Eat a carbohydrate-rich meal 2-3 hours before: oats, toast, rice, banana. Nothing high in fat or fibre (slows digestion)
• If running within 60 minutes of waking, a small snack (banana, energy bar) is better than nothing
• Hydrate well the night before — don't try to catch up on hydration on the morning of a long run

During your long run

• Under 60 minutes: water only is fine for most runners
• 60-90 minutes: consider 30g of carbohydrate (one gel, half a banana) if running at moderate intensity or above
• Over 90 minutes: aim for 30-60g of carbohydrate per hour. Gels, chews, bananas, or sports drinks all work
• Over 2.5 hours: up to 90g per hour is possible with a mix of glucose and fructose sources — but your gut needs to be trained to tolerate this

The gut training principle

Your gut needs practice taking on fuel during exercise. If you only use gels on race day, your stomach isn't prepared. Practice fuelling in training on every long run — treat nutrition as a skill to develop, not just a race-day strategy.

After your long run

• Eat within 30-60 minutes — this is the window where glycogen replenishment is most efficient
• Aim for a 3:1 ratio of carbohydrate to protein (e.g., rice and chicken, toast and eggs, recovery shake)
• Don't skip this meal because you're not hungry — appetite suppression post-exercise is normal but recovery nutrition is critical

Hydration

Sweat rates vary enormously between runners (0.5-2.5 litres per hour). A simple guide: drink to thirst during runs under 90 minutes. For longer efforts, drink 400-800ml per hour and consider electrolytes (sodium especially) in the heat or for runs over 2 hours.

Nail your fuelling and you won't just run longer — you'll recover faster, feel better during the run, and avoid the crashes that derail training weeks.

What is cadence? Cadence is the number of steps you take per minute when running. Most recreational runners fall in the range of 155–165 spm. Research consistently shows that higher cadences — around 170–180 spm — are associated with reduced injury risk and better efficiency.

Why does it matter? A higher cadence naturally reduces overstriding (landing with your foot too far in front of your body). Overstriding increases braking forces and stress on the knee and hip.

How to improve yours:

• Find your current cadence: count steps for 30 seconds, multiply by 4
• Aim to increase by 5% at a time — don't jump straight to 180
• Use a metronome app or Spotify cadence playlist to practice
• Focus on lighter, quicker feet — not faster legs

What is hip drop? When you run and your non-weight-bearing hip dips downward with each stride, that's hip drop (or Trendelenburg gait). From behind, it looks like your pelvis tilts side to side excessively as you run.

Why it causes problems: Hip drop creates a chain reaction of increased stress — on the knee (PFPS, ITBS), hip, lower back, and even the foot. It's one of the most common gait faults seen in injured runners.

What causes it?

• Weak glute medius — the main hip abductor muscle
• Fatigue — gets worse as runs get longer
• Inadequate strength relative to training load

The fix: Targeted hip abductor strengthening. Clamshells, lateral band walks, side-lying hip raises, and single-leg exercises (split squats, single-leg deadlifts) all target the glute med effectively.

Runners invest in shoes, gadgets, and training plans — but sleep is free, and the evidence for its role in recovery and injury prevention is overwhelming.

What happens during sleep: Growth hormone is released primarily during deep sleep — this drives muscle repair and adaptation. Sleep deprivation increases cortisol, reduces glycogen storage, impairs reaction time, and significantly elevates injury risk.

The numbers: A study of young athletes found that those sleeping fewer than 8 hours per night were 1.7 times more likely to get injured than those sleeping 8+ hours. Even one poor night's sleep measurably reduces performance the next day.

• Aim for 7–9 hours for most adult runners
• Consistent bed and wake times matter as much as duration
• Avoid intense training within 2–3 hours of bedtime
• Dark, cool rooms improve sleep quality significantly

Recovery advice can be overwhelming. Here's an honest, evidence-based look at what's worth your time.

Nutrition — High priority. Consuming 20–40g of protein and carbohydrates within 60 minutes of finishing a hard run genuinely speeds recovery and muscle adaptation. This doesn't need to be a shake — real food works fine.

Sleep — Highest priority. Nothing else comes close. See the sleep guide above.

Easy movement — Worth doing. A gentle 10–15 minute walk after a hard session helps clear metabolic waste and reduces next-day soreness. Much more effective than sitting still.

Stretching — Limited evidence. Static stretching after running doesn't prevent injury or significantly improve flexibility for most runners. Foam rolling has modest short-term benefits for soreness.

Ice baths — Complicated. Cold water immersion can reduce soreness in the short term but may blunt the training adaptation you're trying to achieve. Best saved for competition phases, not regular training.

You can train perfectly, eat well, and stretch religiously — but if you're sleeping 5-6 hours a night, you're leaving most of your adaptation on the table. Sleep is when your body actually responds to training. Without it, the work you put in largely goes to waste.

What happens during sleep

• Growth hormone peaks — the primary driver of muscle repair and adaptation is released in deep sleep
• Tissue repair occurs — micro-damage from running is addressed during slow-wave sleep
• Glycogen is restored — your muscle fuel stores are replenished overnight
• The nervous system recovers — central fatigue (how hard running feels) is reset during sleep
• Memory consolidation — movement patterns and motor learning from training are consolidated

Signs your sleep is affecting your training

• Easy runs feel disproportionately hard
• Higher resting heart rate in the morning
• Persistent muscle soreness that doesn't resolve
• Mood changes, low motivation, or brain fog
• Getting ill more frequently

Practical ways to improve sleep quality

• Consistent wake time — this is the single most powerful lever. Same wake time every day, including weekends
• Temperature — your body needs to drop 1-2°C to initiate sleep. A cool room (16-18°C) is optimal
• Avoid alcohol — even moderate amounts significantly reduce REM sleep and growth hormone release
• Training timing — high-intensity exercise within 2-3 hours of bed can delay sleep onset in some people
• Light exposure — morning light anchors your circadian rhythm; evening screens delay it

The elite benchmark

Elite athletes prioritise 9-10 hours. They treat sleep with the same seriousness as their training sessions. If you're serious about improving, target a minimum of 8 hours — and view it as training, not a luxury.

Menopause is one of the most significant physiological transitions a runner can go through — yet it's barely discussed. If you're noticing that your training feels different, your recovery is slower, or your body composition is shifting despite no change in effort, hormones are likely playing a role.

What's actually happening

As oestrogen and progesterone decline, several things change that directly affect running performance and recovery:

• Muscle mass decreases — oestrogen has a protective role in muscle tissue. Lower levels mean faster muscle loss if you're not strength training
• Bone density drops — stress fracture risk increases, particularly in the feet, shins, and hips
• Tendon stiffness increases — oestrogen helps keep tendons pliable. Achilles and plantar fascia issues become more common
• Recovery takes longer — inflammation resolution slows down, meaning your body needs more time between hard sessions
• Sleep quality often worsens — which compounds all of the above

How to train smarter through menopause

• Prioritise strength training — 2-3 sessions per week of resistance work protects muscle, bone, and tendon health. It's not optional at this stage
• Add more easy running — keep most runs genuinely easy (conversational pace) and protect your hard sessions
• Increase recovery time — an extra rest day isn't weakness, it's science. Your tissues need more time
• Watch bone stress — if you get recurring shin or foot pain, take it seriously and get assessed early
• Protein intake matters — aim for 1.6-2g per kg of bodyweight daily to preserve muscle

HRT and running

Hormone replacement therapy can significantly improve how your body responds to training — better sleep, better recovery, better muscle retention. If you haven't discussed it with your GP, it's worth the conversation. There is strong evidence it's beneficial for most women in perimenopause and menopause.

The bottom line: you don't have to accept a slower, harder version of running. Adjust, adapt, and keep moving.

Running is one of the best things you can do with diabetes — it improves insulin sensitivity, supports weight management, and has significant cardiovascular benefits. But it does require more awareness than training without a metabolic condition.

Type 1 vs Type 2 — the key difference

With Type 2, exercise generally lowers blood sugar, which is the goal. The main consideration is medication timing and fuelling adequately for longer efforts.

With Type 1, the response is less predictable. Running can lower or raise blood sugar depending on the intensity, duration, and your insulin on board. This makes monitoring more important.

Before you run

• Check your blood glucose — aim to start between 6-10 mmol/L (Type 1)
• If below 5 mmol/L, have a small carbohydrate snack and recheck
• Avoid running if above 14 mmol/L with ketones present
• Know your insulin on board — running with too much active insulin increases hypoglycaemia risk

During your run

• Carry fast-acting carbohydrates (gels, jellies, glucose tablets) on every run
• For runs over 45-60 minutes, plan to take carbohydrates during the run
• Wear a medical ID if you run alone
• Consider a continuous glucose monitor (CGM) — real-time data changes how you train

After your run

Blood sugar can drop significantly for up to 24 hours after exercise due to increased insulin sensitivity. Have a balanced meal with protein and carbohydrate after longer runs, and monitor more frequently in the hours that follow.

Working with your team

Always discuss your training plans with your diabetes team. Insulin adjustments for active periods are normal and your team can help you create a protocol that fits your training load. Running with diabetes is entirely achievable — thousands of marathon runners and ultra-runners manage it successfully.

Bone density peaks in your late 20s and then slowly declines. Menopause accelerates that decline sharply — oestrogen plays a direct role in bone formation, and when levels drop, bone is broken down faster than it's replaced. In the first five years after menopause, women can lose up to 10% of their bone mass. For runners, that's a significant risk factor.

Where runners are most vulnerable

Stress fractures in menopausal runners tend to cluster in three areas: the metatarsals (forefoot), the tibia (shin), and the femoral neck (hip). The hip is the most serious — a femoral neck stress fracture requires surgery and months off running. It's also the one most commonly missed because the pain is often vague and feels like a hip flexor strain.

What the evidence says to do

• Calcium: 1,000–1,200mg daily — from food first (dairy, fortified plant milk, leafy greens, canned fish with bones), supplement the rest. Calcium carbonate is best absorbed with food; calcium citrate works without it.
• Vitamin D: 800–1,000 IU daily — essential for calcium absorption. UK runners are almost universally deficient in winter. A blood test is worth doing. Many runners need 2,000 IU to maintain adequate levels.
• Impact loading protects bone — running itself is bone-protective, but only if load is appropriate. A sudden mileage spike on lower-density bone is where fractures happen. Never increase weekly mileage by more than 10% per week.
• Strength training — weight-bearing resistance exercise stimulates bone formation. Squats, deadlifts, lunges and calf raises directly load the most fracture-prone areas. 2-3 sessions per week minimum.
• Consider a DEXA scan — this is a low-radiation bone density scan available on the NHS (ask your GP). It tells you exactly where you stand and should inform your decisions about training load and HRT.

Load management is everything

Bone adapts to stress, but it needs time. At any age, aggressive training increases stress fracture risk. In the menopausal runner, that window for safe adaptation is narrower. Build gradually, recover properly, and don't ignore pain signals.

Tendons are your body's shock absorbers — they store and release energy with every stride. They're made almost entirely of collagen, and oestrogen directly regulates collagen synthesis. As oestrogen declines through perimenopause and menopause, tendons become structurally weaker: collagen breaks down faster than it's replaced, fibres become disorganised, and water content drops. The result is a stiffer, more brittle tendon that's less able to cope with the loads of running.

The tendons most affected in menopausal runners

• Achilles tendon — the most commonly affected. Menopausal runners account for a disproportionate share of Achilles tendinopathy presentations. Morning stiffness, a painful first few steps, and pain that eases then returns with longer runs are the classic signs.
• Plantar fascia — technically not a tendon but behaves like one. Heel pain on first steps in the morning is the hallmark. The combination of oestrogen loss and foot arch loading makes this increasingly common.
• Patella tendon and hip flexors — less commonly discussed but worth being aware of, especially if you're increasing mileage or running more hills.

How to protect your tendons

• Longer warm-ups — tendons need more time to become pliable at this stage of life. Walk or jog easily for at least 10 minutes before picking up pace. Never sprint cold.
• Eccentric loading — slow, controlled lowering exercises are the gold standard for tendon rehab and prevention. Heel drops off a step (3 sets of 15, slow) are your Achilles best friend. Calf strength directly protects both the Achilles and plantar fascia.
• Progressive loading — not rest — tendons don't respond well to complete rest. They need graduated stress to adapt. If something hurts, reduce load and rebuild slowly rather than stopping entirely.
• Watch your training spikes — tendons take 72-96 hours to fully adapt to a loading session. Too much too soon is the primary cause of tendinopathy in runners at any age. In menopausal runners, that window is even more important.
• Footwear matters more now — cushioning and heel drop become increasingly relevant. A gait analysis and footwear review is worth doing, especially if you're experiencing recurring lower limb issues.

The good news: tendons respond well to the right kind of loading. Consistent strength work and smart training progression genuinely protects them. This isn't about running less — it's about running smarter.

A — Arrive Early
The start area at Blackheath is large and takes time to navigate. Bag drop queues, toilet queues and the walk to your start pen all add up. Aim to arrive at least 90 minutes before your wave start. Missing your pen means starting at the back — unnecessary stress you don't need.

B — Breakfast
Eat 2–3 hours before your start time. Porridge with banana, white toast with peanut butter, or bagels with jam are all well-tested. Avoid anything new, high-fibre, or high-fat. Hydrate steadily from waking — 500–750ml water over the morning. Stop drinking large amounts 45 minutes before the gun.

C — Cutty Sark
The Cutty Sark at mile 6 is one of the loudest cheer points on the course. Crowd noise here can easily tempt you to run faster than planned. Don't. Bank the energy emotionally, not physically.

D — Don't Try Anything New
Race day is not the day to debut new shoes, new socks, a new vest, or new gels. Everything you wear and consume on race day should have been tested in training. This rule has saved thousands of marathons and broken just as many when ignored.

E — Electrolytes
Sweat contains sodium, potassium and magnesium — not just water. Replacing fluids without electrolytes on a warm day increases your risk of hyponatraemia (dangerously low blood sodium). Use an electrolyte drink or salt capsules alongside your water intake.

F — Foam Roll the Night Before
A gentle 10-minute foam roll of your calves, quads and glutes the evening before the race promotes blood flow and settles any pre-race tightness. Don't go deep — you're not trying to loosen anything, just maintaining circulation.

G — Gels: Your Race Day Fuel
Take your first gel at mile 6–7, not when you feel you need one. By the time you feel the energy dip, it's already happened. Practice your gel timing in your long runs so race day is automatic. Wash every gel down with water, not an energy drink.

H — Hydration Stations
Water stations appear roughly every mile from mile 3 onwards. You do not need to drink at every one. Sip, don't gulp. Drink to thirst on cooler days, drink more proactively on warmer days. Carry your own bottle if you find grabbing cups mid-run difficult.

I — Isle of Dogs
Miles 14–19 through Canary Wharf and the Isle of Dogs are the quietest section for crowd support. This is where many runners mentally struggle. Plan for it. Have a mantra ready. Break the section into small chunks: lamp post to lamp post if needed.

J — Joggers' Nipple (and other chafe)
Apply Body Glide, Vaseline or anti-chafe cream liberally to inner thighs, armpits, under sports bra straps and nipples before you leave your hotel. Chafing at mile 6 becomes agony by mile 20. Men: tape your nipples. Every year.

K — Kit Check the Night Before
Lay everything out the evening before: vest, shorts, socks, shoes, race number, timing chip, gels, electrolytes, phone, bag drop bag. Check your wave start time and pen colour. Set two alarms.

L — London Bridge to Tower Bridge
Crossing Tower Bridge at mile 13 is the single most electric moment of the race. The noise is extraordinary. It also marks halfway. Celebrate it — but don't accelerate. The second half of this race is where it's won or lost.

M — Miles 20–23: The Wall
Glycogen stores typically deplete around mile 18–20. This is the physiological wall. If you've fuelled correctly and started at the right pace, you'll hit it at a manageable level. If you went out too fast, this is where the race falls apart. Slow down before you have to.

N — Negative Splits
Running the second half slightly faster than the first is the mark of a well-executed marathon. Most runners do the opposite. Your goal: start conservatively, feel controlled at halfway, and have something left from mile 20 onwards.

O — Official Pacer Buses
London has official pacing groups for most common target times. Find your pacer in your start pen. Running with a pacer removes the mental load of watching your watch every 400 metres. Trust the group for the first 18 miles, then race your own race.

P — Pace Yourself
The most common mistake at London. The crowd is enormous, adrenaline is high, and the first few miles feel effortless. Add 15–20 seconds per mile to your target pace for the first 10km. You will not regret it.

Q — Queue for the Toilets Early
Toilet queues at Blackheath are long. Go as soon as you arrive, not 5 minutes before your wave. There are also portable toilets dotted along the course — using one costs you 2–3 minutes but is worth it over a GI crisis.

R — Recovery Starts at Mile 26.3
Get your medal, foil blanket, and goody bag. Walk slowly to keep blood moving. Find your bag. Eat and drink within 30 minutes of finishing — banana, protein bar, electrolyte drink. Don't sit down suddenly in the cold.

S — Supporters: Brief Them Well
London is huge and mobile signal is poor in some areas. Agree specific meeting points in advance — Cutty Sark (mile 6), Tower Bridge (mile 13), and the finish area. Give your supporters your bib number so they can track you on the official app.

T — Taper
Your last long run should be 2–3 weeks before race day. The two weeks before the marathon are about maintaining sharpness, not building fitness. Trust the taper. Feeling sluggish or heavy in the final week is normal — it's your body storing glycogen.

U — Underpass at Blackwall Tunnel
The short underpass at mile 17 is notorious for sudden wall-hitting. The change in acoustics, the darkness, and the slight decline then incline catches runners off guard. Run through it at your planned pace and focus on your breathing.

V — Vaseline
Available from marshals at points along the course. Don't wait until something hurts — apply it proactively. Your future self will thank you.

W — Weather
London in April is notoriously unpredictable — it can be 8°C and drizzling or 18°C and sunny. Check the forecast the day before and adjust your kit and hydration plan. Warm days require earlier, more frequent fuelling and hydration.

X — X Marks the Spot
The finish line on The Mall is one of the most iconic in world running. When you turn off Birdcage Walk and see Buckingham Palace, the finish is 800 metres away. You will find something. Use it.

Y — Your Own Race
Don't chase someone else's pace, get caught up in costume runners going too fast, or try to beat a colleague who trained harder. Run your race. Your pace, your plan, your day.

Z — Zero Regrets
You trained for this. You got here. Whatever happens on the day — a PB, a blow-up, a DNF, a limped finish — the work you did to reach the start line is permanent. Carry that with you the moment you cross the finish.

Fuelling a marathon is not complicated, but it is unforgiving. Get it right and you run strongly to the finish. Get it wrong and you hit the wall somewhere on the Embankment wondering why you signed up. Here's the full plan.

The week before: carbohydrate loading

Your muscles can store approximately 90 minutes of glycogen at marathon pace. A 26.2-mile race takes considerably longer than that. Carbohydrate loading — systematically increasing carbohydrate intake in the 2–3 days before the race — tops up your glycogen stores beyond their normal capacity, giving you more fuel available before you need to rely on gels.

• Days 7–4 before race: eat normally. Continue training as planned. No changes needed.
• Days 3–1 before race: increase carbohydrates to 8–10g per kg of bodyweight daily. For a 65kg runner, that's 520–650g of carbs per day. Add pasta, rice, bread, potatoes and oats to your usual meals. Reduce fat and fibre slightly — this is not the time for a high-fibre salad or a heavy curry.
• Avoid anything new: a new restaurant the night before the race has ended more marathons than bad training. Eat something familiar, plain and carbohydrate-rich.

Race morning

Eat your breakfast 2.5–3 hours before your wave start. This allows digestion to complete before your body is asked to run.

• Target: 1–4g of carbohydrate per kg of bodyweight. For most runners, that's a large bowl of porridge with banana and honey, or 2–3 slices of white toast with jam, or a bagel with peanut butter.
• Avoid: high-fat foods (full English, avocado), high-fibre foods (bran cereals, whole grain bread), anything you haven't eaten before a long training run.
• Hydration: drink 500ml of water on waking, then sip steadily throughout the morning. Stop large intakes about 40 minutes before the start to avoid needing the toilet mid-race.
• Optional: a small gel or banana 15–20 minutes before the gun. This tops up blood glucose right before the effort begins. Only do this if you've practised it in training.

On the course: the non-negotiables

Your body burns approximately 60–70g of carbohydrate per hour at marathon pace. Your gut can absorb a maximum of 60–90g per hour (higher with mixed carbohydrate sources — glucose + fructose). The goal is to stay ahead of depletion without overwhelming your gut.

• First gel at mile 6–7: this is earlier than most runners think they need it, but it's correct. You're fuelling ahead of depletion, not reacting to it. A gel takes 10–15 minutes to enter the bloodstream.
• Every 30–45 minutes thereafter: most runners need 4–6 gels over a marathon depending on pace and conditions. Plan this out in advance and carry them on you — don't rely on course-provided gels matching your brand or tolerance.
• Take gels with water: never with an energy drink. Combining a concentrated gel with a carbohydrate drink creates an osmotic load that dramatically increases GI distress risk.
• Hydration stations: water is provided roughly every mile from mile 3. Drink to thirst on cool days. On warm days (above 16°C), drink proactively — 150–200ml per station. Don't skip stations in the second half.
• Electrolytes matter: particularly on warmer days or if you're a heavy sweater. Sodium is the key electrolyte. Lucozade Sport (provided on course from mile 7) contains sodium, but if you have a sensitive stomach, your own electrolyte capsules are a safer option.

The course provision (London 2026)

London provides Lucozade Sport at miles 7, 14 and 19–21, water at all stations, and Lucozade gels at miles 14 and 19. Check the official London Marathon website for confirmed products and locations. If you use different products, carry your own and treat course gels as backup only.

After the finish

Your recovery nutrition in the first 30–60 minutes post-race determines how well you recover over the following days. Aim for a combination of carbohydrate and protein: a protein bar and banana from the goody bag, a chocolate milk, or a recovery shake. Within 2 hours, have a proper meal — protein, carbs, vegetables. Alcohol directly impairs muscle repair. If you're going to celebrate (and you should), eat first.