Fuelled by Science, Trusted By Elites, Proven By Performance Featured Articles Sport Fuelling The Work: How Charlie Searle Reached HYROX Elite 15 Charlie Searle has been on an extraordinary HYROX journey. Lauren sat down with her to find out more about it. 10 MinLauren Charlton, MS RDN Guest Author The Science How Fueling Innovation Helped Power a Sub-2 Marathon You've heard of Sawe's shoes, but what about his fueling methods? Many SiS Athletes achieved PBs recently, thanks to our ... 10 MinJonah Rosner Fuelling Guides The Definitive Guide to Energy Gels We've updated our famous overview of SiS energy gels with a definitive guide to which gel is best and when ... 10 MinSiS Contributor Guest Author Athletes Fuelling Hybrid Performance: What Runners Can Learn from Saskia Millard's Journey into HYROX We sat down with SiS Ambassador Saskia Millard to find out more about her journey into HYROX. 10 MinLauren Charlton, MS RDN Guest Author The Science Post-Race Recovery: What Your Body Really Needs in the First 48 Hours The race is done, but your recovery is just starting. Discover simple tips for post-race meals, hydration, and easy movement ... 10 MinLauren Charlton, MS RDN Guest Author Marathon Training Pre-Race Meal Mistakes That Ruin Your Start Line The wrong food choices on race day can ruin your run. We've outlined the most common mistakes that can be ... 10 MinJonah Rosner Marathon Training Carb Loading by Race Distance: Half-Marathon and Marathon Our comprehensive, easy-to-follow guide on how to carb load for full and half marathons, by weight, distance, and time. 10 MinJonah Rosner Marathon Training Race Week Nutrition: 7 Days Out to the Start Line Don't panic about marathon week meals! Lauren Charlton has you covered in our latest piece. 10 MinLauren Charlton, MS RDN Guest Author Marathon Training Taper-Week Nutrition: How to Get it Right What changes and what doesn't during taper week? Most athletes get it wrong during taper, but getting it right is ... 10 MinSiS Contributor Guest Author Articles by sport Cycling Running Triathlon Football Basketball Rugby Swimming Other Sports Latest Articles Sport Fuelling The Work: How Charlie Searle Reached HYROX Elite 15 Charlie Searle has been on an extraordinary HYROX journey. Lauren sat down with her to find out more about it. 10 MinLauren Charlton, MS RDN Guest Author The Science How Fueling Innovation Helped Power a Sub-2 Marathon You've heard of Sawe's shoes, but what about his fueling methods? Many SiS Athletes achieved PBs recently, thanks to our ... 10 MinJonah Rosner Fuelling Guides The Definitive Guide to Energy Gels We've updated our famous overview of SiS energy gels with a definitive guide to which gel is best and when ... 10 MinSiS Contributor Guest Author Athletes Fuelling Hybrid Performance: What Runners Can Learn from Saskia Millard's Journey into HYROX We sat down with SiS Ambassador Saskia Millard to find out more about her journey into HYROX. 10 MinLauren Charlton, MS RDN Guest Author The Science Post-Race Recovery: What Your Body Really Needs in the First 48 Hours The race is done, but your recovery is just starting. Discover simple tips for post-race meals, hydration, and easy movement ... 10 MinLauren Charlton, MS RDN Guest Author Marathon Training Pre-Race Meal Mistakes That Ruin Your Start Line The wrong food choices on race day can ruin your run. We've outlined the most common mistakes that can be ... 10 MinJonah Rosner Marathon Training Carb Loading by Race Distance: Half-Marathon and Marathon Our comprehensive, easy-to-follow guide on how to carb load for full and half marathons, by weight, distance, and time. 10 MinJonah Rosner Marathon Training Race Week Nutrition: 7 Days Out to the Start Line Don't panic about marathon week meals! Lauren Charlton has you covered in our latest piece. 10 MinLauren Charlton, MS RDN Guest Author 0Load More The Experts Alec Fenn Health and Fitness Journalist and Copywriter Dr Emily Jevons Registered Nutritionist Professor James Morton Director of Performance Solutions SiS Team The Experts SiS Contributor Guest Author 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 Guest Author Registered Sports Dietitian