Peak Training Done Right: How to Execute the Final Weeks Before Race Day

As race day gets closer, training begins to change. The goal is no longer simply to build more fitness. Instead, the focus shifts toward making your training increasingly look, feel, and fuel like the race you are preparing for.

Executing a peak training block well comes down to a handful of things: race-specific workouts, managing fatigue, rehearsing your nutrition, and knowing when pushing through a difficult session is productive versus when it is smarter to back off. Here is how to think about each of them.

Make Training Look Like Race Day

Peak training typically occurs around three to seven weeks before an A-race. During this period, athletes can expect workouts to become increasingly race-specific.

For an IRONMAN athlete, that might mean longer bike intervals at IRONMAN intensity followed by a race-effort brick run. In the pool, it might mean longer repetitions and practicing in a wetsuit or swimskin. For 70.3 athletes, the duration may be shorter and the intensity higher, but the principle remains the same.

The objective is to spend enough time at race effort that when race morning arrives, your target power, heart rate, pace, and RPE are already familiar. Race day should not be the first time you discover what your race effort feels like.

Race day should feel familiar. You have already practiced the effort. Now you

get to execute it.

Nothing New on Race Day Includes Nutrition

Peak training is also the time to finalize your fueling strategy. That means practicing not only how many carbohydrates and how much sodium you plan to consume, but also the exact products, fluid volumes, and timing you intend to use.

This is also the window to deliberately train your gut to tolerate race-day nutrition and fluids. One approach that works well is taking in slightly more carbohydrate during key training sessions than you intend to use on race day. If your stomach handles the higher number in training, your planned race intake becomes a much easier ask.

The same principle applies before the workout. Use key peak sessions to practice your pre-race breakfast and even your race-week nutrition strategy. If you plan to change carbohydrate, fiber, or fat intake in the days before your race, test that strategy ahead of an important training session rather than discovering how your body responds during race week.

Expect to Be Tired

One of the most important things to understand about this phase is simple: you are supposed to have some fatigue during peak training.

Your legs may feel heavy. Motivation may fluctuate. Race pace might feel harder than you expect it to feel on race day. Sometimes you may start a workout wondering how you are possibly going to finish it, only to feel considerably better after 10–20 minutes.

That can be normal.

It helps to separate “good tired” from “bad tired.” Good tired means you are carrying training fatigue but are still sleeping well, functioning normally outside training, and generally able to complete your important sessions. Bad tired begins to look different: repeated poor workouts, disrupted sleep, unusually low motivation, difficulty functioning normally outside training, or an inability to come around once a workout begins.

Not Every Workout Needs to Be Perfect

It also helps to know the rule of thirds: roughly one-third of workouts may feel fantastic, one-third may feel average, and one-third may be difficult. That does not mean your training is failing. In many cases, it means you are applying enough stress to create adaptation.

More importantly, missing an exact number does not automatically make a workout

unsuccessful.

If the target is 300 watts and you can sustainably produce 290 instead, you are still creating a meaningful training stimulus. Being within roughly 10% of the target is a useful working guide. If you cannot get there, converting the session to Zone 2 will often still produce valuable training.

Your body does not know the difference between 290 and 300 watts. It knows

the stress you are applying.

Know When to Push and When to Back Off

One question comes up more than almost any other: When is it okay to quit a workout?

There is no universal answer.

Sometimes the right decision is to give yourself 15–20 minutes and see whether your body

comes around. Sometimes it means reducing the intensity but completing the duration. Andoccasionally, the smartest decision is to stop.

One useful question is: What will finishing this workout cost me tomorrow?

An example: I have ended a bike session early because I had an important long run the following day. Forcing another three hours of compromised riding was worth less than protecting the run I needed for confidence and race preparation.

Running deserves particular caution. Continuing to run when significantly fatigued can alter mechanics and potentially increase injury risk, whereas modifying a bike session generally carries less orthopedic risk. This is also where communication with your coach becomes especially valuable.

Communicate With Your Coach

Peak training is not the time to disappear into TrainingPeaks and simply chase green boxes.

Tell your coach how workouts actually feel. Share your RPE, heart rate, sleep, fatigue, fueling, soreness, and anything happening outside training that may be affecting your ability to recover.

The numbers tell part of the story. Your feedback tells the rest.

That information allows your coach to decide when you need another push, when a workout should be modified, and when recovery will produce more benefit than additional training stress.

The Big Takeaway

Peak training is about specificity, rehearsal, and confidence.

● Practice race effort.

● Practice your gear.

● Practice your fueling.

● Practice your breakfast.

● Learn how your body responds when tired.

● Learn when being tough means finishing the workout versus when being smart means adjusting it.

By the time taper arrives, the major work has been done. The goal is to arrive at race week knowing that you have already rehearsed the controllables.

Train specifically. Fuel deliberately. Manage fatigue intelligently. Then show

up on race day and execute what you have already practiced.

W A N T A P E A K B L O C K B U I L T F O R Y O U R R A C E?

NVDM Coaching builds individualized swim, bike, run, and strength plans for athletes from first-timers to Ironman. Reach out at parker@nvdmcoaching.com or visit nvdmcoaching.com to book a free consultation.