JIM WALMSLEY: 4x WESTERN STATES & 2023 UTMB CHAMPION
We're thrilled and humbled to welcome top ultrarunner Jim Walmsley to the Neversecond Global Athlete Team! The three-time Western States winner and course-record holder finally achieved his lifelong dream by winning UTMB on his 5th attempt - powered by Neversecond. Filming and editing Ansel Dickey / OVRLND STUDIO.
Jim's Picks
Jim Walmsley's go-to picks for long-course fuel and hydration.


C30 Sports Drink
£24 /

C30 Energy Gel
£36 /

C90 High Carb Drink Mix
£34 /

C30+ Energy Gel
£36 /Guides & Guidance
Practical training and nutrition advice to help you perform your best.

In this article, we compare the different types of carbohydrate sources so you can decide what works best for you!

Caffeine can help to improve endurance performance, but what is the best way to take it?

Using the right combination of carbohydrates can improve energy delivery to the muscle.

Is more protein always better?

Breakfast on race day (and also before big training days) is important. Getting it right means you will be well-fueled at the start.

Not all GI problems are avoidable, but taking these 10 steps will minimize your chances of developing them.
Discover Science
Helping athletes perform their best through the sharing of unbiased and simplified scientific knowledge.