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Latest Articles

Close-up of a cyclist in the countrysideCycling
Your Long Sunday Cycle
Food, hydration, stretching and supplements for Sunday cycle rides.
Fuelling Guides
Fueling for Marathon Training Sessions
This comprehensive guide takes you through fueling every type of run when you're training for a marathon; from beginners to ...
10 Min
Exhausted female marathonerRunning
Common Marathon Training Mistakes
Our in-house running coach, Jonah, tells us the most common mistakes made whilst training for a marathon, and teaches us ...
10 Min
Running
How Eilish McColgan Fuels for Performance
How Eilish McColgan Fuels for Performance: Training, Racing, and Recovery Fuelling at the elite level isn’t about extremes or constant ...
Long distance runner training in the snowRunning
Marathon Training in Winter
Marathon training in the cold affects your body differently. We guide you through how to work with the conditions instead ...
10 Min
Elite female runner with SiS GO GelFuelling Guides
Fueling for Half and Full Marathons
Knowing how to fuel properly for different endurance runs can be confusing. Jonah explains best strategies for optimal fueling.
Elite athlete using a SiS GO Isotonic Energy GelThe Science
Inside the Science of Gut Training
Runner’s stomach is a common problem for marathoners. Learn how to train your gut as well as your legs to ...
Male_Elite_Runner_Holding_SiS_BottleThe Science
Redefining Marathon Fuelling Guidelines
What drives a marathon performance, and what discoveries have been made that could transform the training of elite athletes? Professor ...

The Experts

Alec Fenn
Health and Fitness Journalist and Copywriter
Dr Emily Jevons
Registered Nutritionist
Professor James Morton
Director of Performance Solutions
Science in Sport Team
The Experts
Science in Sport Contributor
An Expert
Renee McGregor
Clinical Director & Sports Dietician
Jonah Rosner
Applied sport scientist, strength and running coach
Dr Marc Fell
Senior Performance Nutritionist
Lauren Charlton, MS RDN
Registered Sports Dietitian