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Ultra trail diet: preparation for the UTMB®

Ultra trail diet: preparation for the UTMB®

04 Jul. 2025

Régime alimentaire Ultra trail : préparation pour l'UTMB®

Your UTMB® training involves not only physical exercise and running sessions, but preparing for the UTMB® also means following a precise, specific diet. Devised by a nutritionist or coach, it should bring you to peak condition on race day.

Rigorous preparation

The diet you follow must not only provide the essential nutritional elements your body needs, but it must also prepare you for nutrition in ultra-trail. This can sometimes be unsettling for the body, and rigorous monitoring will help you avoid the gastric issues that many competitors experience. The absorption of gels and energy drinks can be tricky, and only thorough, long-term preparation will get your body used to them.

The final weeks' diet

As the race approaches — and in particular during the final two weeks — your diet must be specific and perfectly controlled. The balance of meals in the weeks before the race should be predominantly carbohydrate-based, and caloric intake must be substantial (2,400 to 3,500 kcal depending on the individual's profile). This approach should allow the body to build up the energy reserves needed for the event and increase muscle glycogen stores to handle the expected efforts. To find out more:

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