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The Näak UTMB Pack brings together the essential nutrition trusted by athletes competing in the world’s most iconic trail running series. Developed in collaboration with elite ultra-distance runners, this pack mirrors the on-course fuel provided at UTMB World Series events, ensuring you train and race with the same powerful nutrition you’ll encounter from start to finish.
How to use?
Use waffles and bars during steady efforts and drink mix during or after intense sections.
When to use?
Ideal for long training sessions, race prep, or back-to-back runs.
Why do I need this?
It lets you train with the exact fuel used on the UTMB course, no surprises on race day.
Who uses this?
Endurance runners, ultra athletes, and trail adventurers looking to go longer and recover better.
About Näak UTMB Pack
Whether you're preparing for your first trail ultra or chasing a PB at Chamonix, the Näak UTMB Pack is the ideal way to test how your body responds to elite-level fuelling before race day. Avoid surprises and start training with what you’ll race with.
From waffles to drink mixes, it’s a complete kit designed to optimise endurance, prevent sugar crashes, and keep your digestive system calm throughout the toughest terrain.
Näak is more than a fuel brand, it’s the official supplier of on-course nutrition for the UTMB World Series and UTMB Mont-Blanc. This partnership reflects their commitment to fuelling ultra runners in the most effective, sustainable way possible. Every product is backed by science and tested by athletes who know the unique demands of ultra distance racing.
How does it work
Näak Ultra Energy™ products are designed to meet the full nutritional needs of ultra athletes, combining fast-acting and slow-burning carbohydrates, electrolytes, amino acids, and proteins. The balance of macronutrients helps prevent the typical energy crash experienced in long events and supports muscle recovery while on the move. With input from elite athletes, these products are formulated to be easily digested and absorbed over long durations without upsetting your stomach.
By mixing drinkable calories with chewable ones, the UTMB Pack allows for flexibility in your fuelling plan, an essential element when your race or training run stretches into the many-hour mark. It’s designed to help you perform consistently, reduce fatigue, and adapt to real-world race conditions.
Tried and tested
Real feedback from the XMiles community.


