Performance Nutrition Digest

Performance Nutrition Digest

120 g/hr carbohydrate improves running economy in elite marathoners 📈

Science now matching practice.

Tom Coughlin's avatar
Tom Coughlin
Nov 09, 2025
∙ Paid

¹³C labelled glucose-fructose show greater exogenous and whole-body CHO oxidation and lower O₂ cost of running at 120 vs 60 & 90 g·h⁻¹ in elite male marathoners

Thanks for reading Performance Nutrition Digest! Subscribe for free to receive new posts and support my work.

Study Details

This new study recruited 8 elite (sub 2:30:00) male marathon runners to a…

Keep reading with a 7-day free trial

Subscribe to Performance Nutrition Digest to keep reading this post and get 7 days of free access to the full post archives.

Already a paid subscriber? Sign in
© 2025 Tom Coughlin · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture