CongratuLATIONS to Tom Evans and Ruth Croft, Winners of UTMB 2025.
thank you for trusting me. I’m proud to be part of your team.
I advise and consult on performance nutrition and physiology, specialising in ultra-endurance sports (running and triathlon), working with individual athletes, teams and organisations. I currently work with the Salomon International Team as Lead Nutritionist, and a small handful of elite triathletes and ultra-runners.
My PhD investigates carbohydrate metabolism and fuelling in ultra-endurance.
If you would like to work with me as a consultant for an individual athlete or team, please email or visit my Instagram account.
Paul Booth
Nutrition and Performance Consulting Services for Individual athletes, teams and organisations.
work with me
I offer a range of services and plans, including performance and race nutrition, physiology testing, and consulting. Click for more details and prices.
Are you an Elite or High Calibre Trail and Ultra Runner?
I’m looking for experienced ultrarunners to take part in a groundbreaking carbohydrate study in the Lake District, UK, weekends of 18th October and 1st november 2025
What’s the Commitment:
You will be required for two weekends to run a 50K simulated ultramarathon in the Lake District. On each occasion, you will take a different dose of carbohydrates.
Please contact me for more details.
Here’s What You Get:
Part of a groundbreaking ultra study into fuelling, muscle damage, and fatigue.
£1000 worth of lab testing, including a DEXA scan, VO2max test, Lactate Threshold testing, nutrition advice and re-testing at a later date.
Advice from me on your results and and how to apply them.
Who am i?
I’m Paul. I’m a qualified Sports and Performance Nutritionist, Exercise Physiologist, Academic, and PhD Researcher in Trail and Ultra Endurance Physiology and Metabolism. I’ve been trail running for over two decades, competing in my first ultramarathon 20 years ago. In the years since I’ve completed 89 ultras, and over 150 trail/fell races, road marathons, cycling, ski, and Ironman triathlon events. I’ve competed in races such as UTMB, long-distance challenges such as the Bob Graham Round, bikepacking races and alpine fastpacking expeditions.
This is me travelling hut-to-hut on the Dolomites Alta Via 2 route.
In 2025 my race calendar includes Ultra Trail Snowdonia, Laveredo, and Eiger Ultra Trail.