Tips and Tricks for Tapering and Race Preparation
You have done the work. Months of early mornings, long weekends, brick sessions, and careful nutrition. The fitness is built. Race week is not the time to add to it — it is the time to deliver it to the start line intact.
And yet race week is where a surprising number of athletes undermine themselves. Not through dramatic errors, but through a steady accumulation of small, well-intentioned mistakes: an extra session to “stay sharp”, a new pair of shoes to break in, a diet overhaul in the name of optimisation, three nights of poor sleep driven by anxiety. The week before an Ironman is a minefield of things that feel productive but are not.
The taper — the structured reduction in training volume ahead of a key race — is one of the most evidence-supported concepts in endurance sport. It works. But it only works if you let it work. This guide covers how to structure race week, what to do with your body, what to feed it, and critically, what to leave alone.
Race week is not the time to add fitness. It is the time to deliver the fitness you already have to the start line intact.
What the taper is actually doing
Understanding the physiology of tapering makes it considerably easier to trust the process. During a taper, training volume drops significantly — typically 40 to 60 percent in the final two weeks for a full Ironman — while intensity is maintained through short, sharp sessions. The goal is to allow accumulated fatigue to dissipate while preserving, and in some cases enhancing, the fitness adaptations built during training.
The research is unambiguous: a well-executed taper improves performance by an average of two to three percent compared to maintaining full training load into race week. In Ironman terms, that can represent 15 to 25 minutes. It also reduces injury risk, restores glycogen stores, normalises hormonal markers of fatigue, and improves neuromuscular function — your muscles fire more cleanly and powerfully after adequate rest.
What the taper does not do is allow you to gain new fitness. The adaptations from your last hard training block take approximately ten to fourteen days to fully express. Anything you do in race week is either maintenance, or damage.
The taper trap — and why athletes fall into it
Taper anxiety is real and nearly universal. After months of high training volume, the sudden reduction in load feels deeply uncomfortable. Legs feel heavy and sluggish — a counterintuitive but entirely normal physiological response to reduced activity that typically resolves by race morning. Energy levels fluctuate. Motivation swings. Minor aches and twinges that were unnoticeable during hard training become magnified by the quiet.
The natural response is to train more. To do an extra session, extend a recovery ride, or add a swim because “it can’t hurt”. It can hurt, and often does. Every unnecessary training stimulus in race week adds fatigue to a system that needs to be shedding it.
The correct response to taper anxiety is to recognise it as a symptom of fitness, not a problem requiring a solution. Athletes who feel anxious during the taper are usually athletes who have trained well. The discomfort is the process working.
Sometimes taper legs feel heavy and flat. Race morning legs feel like someone switched the power back on. Trust the gap between those two states.
Nutrition in race week
Race week nutrition has two priorities: maximising glycogen stores and protecting gut health. They are both straightforward in principle and frequently overcomplicated in practice.
Carbohydrate loading begins in earnest two to three days before the race. The goal is to push muscle and liver glycogen to their upper limits, giving you the largest possible on-board energy store at the start line. Aim for around 8 to 10 grams of carbohydrate per kilogram of bodyweight per day during this window. In practical terms, this means making carbohydrates the centrepiece of every meal — rice, pasta, bread, oats, potatoes — while reducing fat and fibre to keep gut volume manageable.
The gut protection priority means avoiding anything unfamiliar. Race week is emphatically not the time to try a new restaurant, experiment with a new supplement, or eat foods you would not normally eat before a hard training session. High-fibre foods, excessive raw vegetables, and very high-fat meals all increase gut residue and the risk of race-morning GI discomfort. Keep meals simple, familiar, and carbohydrate-centred.
The race-morning meal should be exactly what you have practised in training before long sessions: carbohydrate-based, low in fat and fibre, consumed three hours before your wave start. White toast with honey, oats with banana, white rice with a little salt — these are reliable, tested options. Eat enough to feel fuelled, not so much that you feel full. See details in the blog post ‘Nutrition as the Fourth Discipline‘.
Sleep, logistics, and the things you can control
Sleep is the most powerful recovery tool available, and race week is when athletes most reliably destroy it with anxiety. The night before the race is almost always poor — this is normal and will not affect race outcome. The night that matters most is two nights before the race. Prioritise it deliberately: limit screen time after 9pm, keep the room cool and dark, and accept that some pre-race restlessness the night before is universal and does not meaningfully affect performance.
Logistics deserve more attention than most athletes give them. The goal is to eliminate every avoidable decision and surprise on race morning. Lay out all your gear the day before — wetsuit, goggles, helmet, shoes, race kit, nutrition, timing chip, body marking — and check it twice against your kit list. Know the transition layout before you arrive. Know exactly where your bike is racked. Know the swim start procedure and the exit route from the water.
Race morning should feel like executing a plan you have already rehearsed, not navigating an unfamiliar situation under stress. Every decision you make in the days before race morning is an act of removing cognitive load from race day itself.
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- Pack your transition bags the day before, not race morning
- Drive or walk the run and bike exit routes if possible
- Confirm your race-nutrition products are packed and accessible
- Set two alarms. Lay out breakfast ingredients the night before
- Arrive at transition early enough to feel unhurried
The right mindset for race week
Race week is an exercise in restraint and trust. Restraint in training, in eating, in the urge to change things that do not need changing. Trust in the preparation you have already done.
Everything that will determine your race result was decided weeks ago. Race week is the final chapter of the preparation story, not the place where outcomes are forged. Your job this week is simple: protect what you have built, rest the body that will carry it, and arrive at the start line physically fresh, logistically prepared, and mentally clear.
The work is done. Look forward to the competition. You earned it.
