Tapering the Week Before a Half Marathon

The week before a half marathon can make or break one’s performance. Months of training can be wasted by trying to fit in one last workout. On the other hand, resting too much in the week before a half marathon (or even the week before a 5k) can leave one feeling flat and low-energy on race day. 

Tapering is a training microcycle that usually takes place the week before a key event, such as a half marathon or a 5k. Longer events like marathons or ultramarathons require longer tapers. Tapering for an event is one of the most complicated and mysterious aspects of athletic performance. 

Learn the seven most common tapering mistakes people make the week before a half marathon. Follow the training plan for the week before the race to arrive fresh, fit and fast at the start line!

Avoid the 7 Most Common Tapering Mistakes the Week Before a Half Marathon

Tapering for a half marathon the week before is easy to mess up. Don’t make these seven mistakes!

1. Training too Much Before the Race

Many amateur runners think it is good to train hard right up until the race, particularly in the last few weeks. But these efforts turn out to be counterproductive. Standing at the start feeling tired is a recipe for disaster. 

Instead, decrease total training volume by 30-50% in the week before a half marathon, but not the number of intensity sessions. For example, if the total distance ran two-weeks before the event was 50 km, the total distance should be no more than 35 – 25 km in the final week before the event.

Intensity should not drastically decrease despite overall distance dropping. For example, if a training plan usually calls for two days of intensity per week, still perform those two days of intense training during the final week before the event. 

Reduce the number of intervals in a session by 20% of what they were in the last hard week of training. Even though overall running distance decreases, intensity may actually increase relative to the amount of total distance.

The bottom line: a good taper focuses on quality, not quantity. Do short and fast runs; decrease overall training distance by cutting back on endurance run distance.

A good half marathon training plan will have a built-in taper. Check out this FREE half marathon training plan pdf for a good example. Premium adidas Running members also receive exclusive access to customizable training plans from 5k – marathon.

2. Not Working Out at All

Tapering and reducing training volumes does not mean you should just put your feet up and stop working out. The tricky part about tapering is not to lose the fitness and pace endurance you have built up. The best way to avoid this is by reducing your mileage and focusing on short and intense workout sessions.

In the last week, it is important to get one more hard workout in four or five days before the race. This is designed to give your muscles one last training stimulus and to prepare your body for the demands of the upcoming race.

Retaining intensity while decreasing training volume in the week before a half marathon has been shown to be an effective tapering strategy for most athletes.^[1]

3. Strength Training and Unfamiliar Exercises

In the week before a half marathon avoid strength training and unfamiliar exercises. Fatigued and/or sore muscles can quickly endanger performance. Of course, continue to do stretching and mobilization exercises if they have been a regular part of training.

One exercise that could be beneficial in the week before a half marathon is a meditation exercise. Often, athletes develop performance anxiety due to the upcoming event and the abundance of energy (if they are tapering correctly). Meditation can help the mind prepare for the demands ahead of it. 

Try the guided meditation below by professional ultramarathoner Timothy Olson:

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