Heatwaves are reshaping Tour de France as temperatures push riders to human limits

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Heatwaves have long been part of the Tour but temperatures now are pushing the riders to limit of human endurance

The Tour de France and the heat of the midday sun are old bedfellows, going back long before an era when the biggest catastrophe of the Tour’s opening week was a major fault in the Visma team bus’s air conditioning. Flip back 50 years to my favourite Tour read, the late Geoffrey Nicholson’s The Great Bike Race, and we find the doyen of cycling writers discussing a Tour that began in baking conditions in the Vendée, and continued through the canicule in central France and Normandy.

“The heatwave,” wrote Nicholson, “is becoming a serious worry.” He describes the late Raymond “Pou-Pou” Poulidor as “an old sweat” – pun alert – “in legionnaire matters”, who was “careful to limit himself to two litres of water on a stage … it is part of the collective wisdom of the peloton that too much water leads to depression and fatigue.” Tell that to the Tour men of 2026 as they glug down one bidon after another.

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