Quick Answer
Volume: 35–40% of peak week mileage, across 3–4 short easy runs. Intensity: keep a few strides/race-pace efforts mid-week; no hard sessions. Nutrition: familiar foods; shift toward more carbs, less fibre in the final 2–3 days. Sleep: prioritise Thursday and Friday nights especially; accept Friday pre-race anxiety. Day before: optional 15–25 min easy shake-out run; familiar meal; gear laid out. Don’t: wear new shoes, try new foods, do extra training, or panic.
What Happens Physically During Final Week Taper
Tapering is not rest — it’s a specific physiological process. During weeks of high-volume training, the body is in a state of accumulated fatigue: muscle fibres have micro-tears from repeated loading, glycogen stores are partially depleted after each session, and hormonal markers of stress (cortisol, creatine kinase) are chronically elevated. The taper removes the training stimulus while keeping enough movement to maintain neuromuscular sharpness.
In the final week specifically: muscle micro-tears complete their repair cycle; glycogen stores refill toward capacity as both training volume and carbohydrate intake optimise; creatine kinase (a marker of muscle damage) drops significantly; and the nervous system — which has been chronically suppressed under training load — begins to restore its full response capacity. Research suggests a properly executed taper improves race performance by 0.5–3% for recreational runners — which at half marathon pace translates to 1–4 minutes.
This is why the final week matters. The fitness you’re capable of showing on race day is determined by training done months ago. The final week determines how much of that fitness is accessible — not suppressed under fatigue — when the gun goes off.
Day-by-Day: The Final Week Plan
This structure assumes race day is Sunday. Adjust forward or backward based on your race day.
| Day | Training | Focus |
|---|---|---|
| Sunday (7 days out) | Easy run: 30–40 min at comfortable effort | Last meaningful run of the cycle; genuinely easy |
| Monday | Rest or very easy 20 min cross-training (walk, gentle swim, light bike) | Active recovery; legs moving without impact |
| Tuesday | Easy run 25–35 min + 4–6 strides or 10–15 min at race pace within the run | Sharpness maintenance; remind legs of target effort |
| Wednesday | Easy run 20–30 min, flat terrain, very controlled effort | Short, confidence-building; no intensity |
| Thursday | Rest or easy 20 min walk + mobility work | Recovery priority; start fibre reduction in nutrition |
| Friday (day before) | Optional shake-out: 15–25 min very easy + 2–4 strides (or full rest if that's your norm) | Nerves management; gear check; early bedtime attempt |
| Saturday (race day) | Race — half marathon | Warm-up 10–15 min easy jog + strides; execute plan |
Total running volume for the week: approximately 35–40% of your peak training week. If your biggest week was 50km, the final week sits around 18–22km across these runs. This isn't arbitrary — it's enough to maintain neuromuscular activation without continuing to accumulate the fatigue that taper is trying to clear.
The Tuesday sharpness run: this is the most important training session of the week. Including 4–6 short strides (15–20 seconds at roughly 5K effort) or a 10–15 minute section at target half marathon pace reminds the legs of the effort they'll sustain on race day. Without any faster running during the final week, race-pace effort on the day can feel surprisingly uncomfortable in the first 3–4km. The strides on Tuesday prevent that mismatch. Our speed work guide covers the mechanics of strides — the key is keeping them short, controlled, and at close to target pace rather than sprinting.
No new sessions: anything not in your normal training pattern should not appear in the final week. No yoga class you've never tried, no strength session to "maintain fitness," no hill repeats to "sharpen up." The final week is management, not training.
The Taper Crazies — What They Are and Why They Mean You're Ready
Almost every runner experiences some version of the following in the final week: phantom aches in legs that were fine during training, unusual fatigue or the opposite (inexplicable restlessness), doubt about fitness, mild anxiety about the race, and the creeping certainty that something has gone wrong with the body. Coaches call this collection of sensations “taper madness” or the “taper crazies.”
They are normal and they are predictable. They happen for specific reasons. The reduced training volume removes the daily endorphin release that running provides, producing a mild deficit in mood regulation. The restless energy that training usually absorbs has nowhere to go. The nervous system, rebounding from weeks of suppression under training load, is hypersensitive — which is why minor sensations feel like injuries. And the approaching race amplifies the psychological awareness of every physical sensation in the body.
The phantom aches deserve particular attention. New twinges, unfamiliar soreness, and minor pains that appear out of nowhere in the final week almost universally disappear on race morning. They’re not injuries and they’re not the consequence of reduced training — they’re a product of the hypersensitive nervous system noticing signals it was too fatigued to register during peak training. If you felt absolutely brilliant every day of taper week, you probably didn’t train hard enough in the preceding months.
Managing taper anxiety: the most effective approach is redirecting energy that would normally go to training into race preparation. Study the race course, confirm logistics (start time, parking, gear bag), lay out your race kit, and review your race day nutrition plan. Practical preparation that takes 30 minutes has a measurably larger effect on pre-race anxiety than any amount of mental reassurance.
Nutrition: The Week Before Half Marathon
The nutrition goal for the final week is simple: fill glycogen stores (the muscles’ primary fuel for a half marathon) while keeping digestive risk low. This doesn’t require a pasta party or an exotic carbohydrate-loading protocol — it requires eating familiar foods with a modest carbohydrate emphasis in the final 2–3 days.
Monday–Wednesday: eat normally. Your total calorie intake should stay roughly the same as during training weeks, despite reduced mileage — the body is using energy for muscle repair and glycogen restoration. The instinct to eat less because you’re running less is counterproductive. Focus on whole foods across all macronutrients: quality carbohydrates, lean protein, vegetables, and healthy fats.
Thursday–Friday (fibre reduction): this is the change most articles don’t mention clearly. In the final 2–3 days, reduce high-fibre foods: limit large portions of vegetables, switch from whole-grain to white bread and pasta, reduce legumes and raw fruit. The reason is practical — excess fibre increases intestinal motility and the likelihood of needing a toilet stop at the worst possible moment during the race. Runna’s nutrition guidance is direct: “consuming too much fibre ahead of your race could have an impact on your bowels.” Shift to slightly simpler, lower-fibre carbohydrates in the final days. This is not about eating less nutrition — it’s about managing the specific fibre risk for race day.
Friday evening (night before): a carbohydrate-rich but easily digestible meal 3–4 hours before sleep. Classic options: white pasta with a simple sauce (low in fat, low in fibre), white rice with chicken, or whatever familiar carbohydrate-based meal you’ve eaten before long training runs. Nothing heavy, fatty, or unfamiliar. A large portion isn’t necessary — the previous 2–3 days of moderate carbohydrate emphasis has been doing the glycogen loading work. The Friday evening meal is a top-up, not a fill-from-empty effort.
Alcohol: avoid in the final 2–3 days. Alcohol impairs sleep quality (even when it initially aids sleep onset), is a mild diuretic, and produces inflammatory effects that compete with the muscle repair the taper is facilitating. Save the celebration beer for the finish line.
Hydration: drink water consistently through the week — sipping throughout the day rather than drinking large volumes reactively. Electrolyte drinks or adding a pinch of salt to meals in the final 2 days supports sodium balance, particularly for runners who sweat heavily. The aim is arriving at race morning well-hydrated, not dehydrated or hyperhydrated (overhydration is also a risk and carries more serious consequences than mild dehydration).
Sleep: What Actually Matters
Most runners assume Friday night sleep (the night before the race) is the most important. It isn’t — because anxiety about the race typically disrupts Friday sleep for most runners regardless of how early they go to bed. The sleep that actually determines Saturday performance is Thursday night, and ideally the 3–4 nights leading into race weekend.
The strategy: prioritise sleep from Monday onward. Go to bed earlier than usual (30–60 minutes) for the full week. Limit screen time in the hour before bed. Keep the bedroom dark and cool. Reduce caffeine after midday. The accumulated sleep bank from Monday through Thursday has a greater impact on race day performance than the specific Friday night that anxiety will partially disrupt anyway.
On Friday night: go to bed at a reasonable time, accept that you may not sleep as well as usual, and know that one night of disrupted sleep has minimal effect on a trained athlete’s race performance. The worst thing you can do is lie awake worrying about lying awake — which creates a self-fulfilling cycle. Trust the accumulated sleep from earlier in the week.
Aim for 8+ hours each night from Monday to Friday. This is not additional advice — the Running Channel and multiple coach sources consistently identify sleep as the single most underutilised performance tool during taper week. Our warm-up and cool-down guide covers why recovery (including sleep) is the phase where training adaptations actually occur — taper week is the most concentrated version of this principle.
The Day Before: What to Do (and Not Do)
Movement: a short, easy shake-out run of 15–25 minutes with 2–4 strides helps most runners feel sharper and calmer on race morning. Whether to run or rest the day before depends on your usual pre-race routine. If you routinely ran the day before your long training runs and felt better for it, apply the same logic. If you always rested, rest. Don’t change your pattern the day before a race.
On your feet: if you’re travelling for the race and doing sightseeing or race-expo walking, keep it brief. An afternoon on your feet in a convention centre, walking a race expo and standing in queues, produces surprisingly meaningful leg fatigue that you’ll notice in the first 5km. Race expos are worth attending — quickly. Collect your bib, buy your one item, leave.
Gear check: lay out everything the night before. Race bib, safety pins, shoes (your regular race shoes, not new ones), socks, shorts, top, watch, GPS charged, headphones if you use them, gels or nutrition for the race, extra clothes for post-race. The morning of a race is not the time to search for safety pins. Going through the checklist the night before also reduces the amorphous “am I forgetting something?” anxiety that disrupts sleep.
Race course review: spend 10 minutes reviewing the course map if you haven’t already. Note any significant hills, the location of water stations, and where the final kilometre is. Knowing what’s coming allows you to make tactical decisions during the race rather than reacting to surprises. Our running pace calculator is useful for checking your target split times per kilometre at goal pace — having these numbers clear before race morning removes mental arithmetic from race day.
Race Morning: The Checklist
Timing: wake up 3–3.5 hours before race start. This allows time for breakfast, digestion, travel to the venue, warm-up, and toilet stops. Rushing on race morning adds stress that elevates cortisol and affects pacing judgement in the early kilometres.
Breakfast: familiar, carbohydrate-rich, low in fat and fibre. Whatever you’ve practised on long training runs: white toast with banana and honey, oats with water, white rice — anything that works for your gut. Eat 2–3 hours before race start. Add a light snack (banana, gel, energy bar) 30–40 minutes before the start. Drink water consistently but not excessively.
Warm-up: 10–15 minutes of easy jogging 20–30 minutes before your start wave, followed by 4–6 strides at race pace. This activates the neuromuscular system and prevents the first 2km feeling uncomfortably hard as the body adjusts to race effort. Our pre-run guide covers the dynamic mobility sequence that pairs with this warm-up jog.
Race execution: start conservatively. The most common mistake in half marathons is going out at a pace that feels easy in the first 3km and becomes unsustainable by kilometre 15. You tapered to feel good at the start — that freshness is real, but it masks the reality of what 21.1km will ask of you. Run the first 5km at or slightly slower than goal pace, let the race come to you in the second half, and trust the training. The taper means nothing if you burn it in the first 5km.
For runners building toward their first marathon and using this half as a benchmark race, the experience of executing a tapered race is itself valuable training — practising the nutrition, sleep, and pacing approach that a full marathon will require at higher stakes. Our guide on building marathon mileage safely covers how the half marathon taper and race experience fits into the larger training arc. During the taper week, mobility work and gentle stretching are more valuable than additional running — light sessions from our mobility exercises guide and our back exercises guide keep the body moving without generating fatigue.
For runners who use easy runs as their primary recovery tool throughout the week, understanding the right effort level for the short taper runs matters. Our guide on easy run effort covers the specific cues — conversational breathing, relaxed body, no perceived effort — that define an easy run. The taper runs should all feel easier than easy during this week.
What Not to Do This Week
Wear new shoes. New shoes need breaking-in time that a race does not allow. Race in the shoes you’ve trained in. If you bought new shoes with the intention of racing in them, they needed to be on your feet for at least 50–80km of training before race day. New shoes on race day is a reliable route to blisters and mechanical discomfort in the final kilometres.
Add training. Any training added in the final 7 days does not improve fitness — it takes 10–21 days for a training stimulus to produce a fitness adaptation. A hard session on Wednesday produces fatigue that will affect Saturday’s performance. The fitness decision was made in the months of training, not this week.
Try new race-day nutrition. Gels, bars, chews, and sports drinks that haven’t been used in training are potential digestive disasters at race pace. Everything on the race day nutrition plan should be something the gut has already processed during long training runs.
Panic about phantom aches. Unless the pain is sharp, specific, and worsens with activity — it’s the taper crazies. Rest, trust, and redirect energy into practical preparation.
Skip sleep to catch up on work. The final week is the most concentrated recovery window of the entire training cycle. Protecting sleep is not laziness — it is the primary performance intervention available in the week before a race.
Your Next Race Starts With the Right Plan
SportCoaching's running plans are built around your goal race — structured training that peaks at the right time, tapers correctly, and arrives you at the start line ready to run your best. Whether you're targeting a half marathon or building toward a full, the plan does the work.
FAQ: Week Before Half Marathon
How much should you run the week before a half marathon?
35–40% of peak weekly mileage across 3–4 short runs. If your peak week was 50km, the final week total is 18–22km. Include 4–6 strides or 10–15 minutes at race pace on Tuesday to maintain sharpness. No long runs, no hard intervals.
What should you eat the week before a half marathon?
Familiar foods throughout. In the final 2–3 days, shift toward more carbohydrates and reduce high-fibre foods (whole grains, large vegetable portions, legumes) to avoid digestive issues on race day. Friday evening: easy, carbohydrate-rich meal. Race morning: familiar breakfast 2–3 hours before start, light snack 30–40 min before. Nothing new.
Is it normal to feel tired and heavy-legged during taper week?
Yes — it’s taper madness and it’s normal. Phantom aches, jitteriness, doubt, and unexplained fatigue all develop as the nervous system rebounds from training load. These sensations almost universally disappear on race morning. They indicate the taper is working, not that something is wrong.
Should you run the day before a half marathon?
An optional 15–25 minute easy shake-out with 2–4 strides helps most runners feel sharper and calmer. Whether you run or rest depends on your usual pre-race routine. Don’t change your pattern the day before a race. If you do run, keep it genuinely easy.
What should you avoid the week before a half marathon?
New shoes, new foods, extra training sessions, alcohol in the final 2–3 days, large high-fibre meals in the final 2–3 days, prolonged standing at race expos, and panic about phantom aches. Fitness is not lost in 7 days — the final week is management, not training.
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