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Redefining fatigue: Why durability might be the next big thing in performance metrics

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Redefining fatigue: Why durability might be the next big thing in performance metrics

The best riders have always been able to display superhuman strength deep into a gruelling race. Sports scientists are now trying to find out why, and how to train this resilience.

By Charlie Allenby

Photography by Zac Williams / SWpix.com

9 APRIL 2026 | UPDATED 11.46 PM BST

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Rouleur Issue 144 — The Tour Issue
In printIssue 144

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The Tour Issue

Le Tour de France: a race defined by colour, passion and history, whose drama and romance continue to shape the identity of cycling’s greatest stage.