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Science in Sport x Nike After Dark

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Marathon Race Packs

Marathon Race Packs

Fuel every mile. Save up to 29%.

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Leaders in performance

100% approved Informed Sport
350+ elite teams Multi-sport usage
Since 1992 Industry experts
170+ publications Sports nutrition research
Proven by performance

Proven by performance

A pioneer in endurance fuelling. Proven to provide ultra-high levels of available carbohydrate to multi-hour endurance athletes.
1:0.8 maltodextrin to fructose ratio
17% increase in energy efficiency
Enhanced power output during max efforts
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SiS athletes

Trusted by athletes

EILISH McCOLGAN

All products are Informed-Sport tested, so for me as a professional athlete that is a really key part, knowing that the products are of high quality and exactly what's in them is exactly what it says on the packaging.

EILISH McCOLGAN Elite runner
TIM DON

Training is one thing but focusing on recovery is just as important, especially when training for Triathlon. If you have a busy life getting the right food in on the go is hard, from REGO Rapid Recovery to the GO Energy Bakes.

TIM DON Triathlete
IVAN VAN ZYL

Before a match, I take a GO Caffeine Shot to sharpen my focus.

IVAN VAN ZYL Saracens rugby player

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