Baptiste Chassagne: Trail Running, UTMB & Saint-Étienne Story

His victory at the Diagonale des Fous in mid-October is one of the highlights of French sport in 2025. Baptiste Chassagne, who was preparing to celebrate his 32nd birthday, made the history of this legendary crossing of Reunion by hurtling down the 175 km and 10,500 m of positive altitude difference in just over 23 hours and 30 minutes, an hour ahead of his first competitor. And for his first participation.

A trained footballer, the native of Lyon always loved running but took his time before putting on his first bibs. In two years, he became one of the strongest French long-distance runners. This lover of words, fan of poetry, passionate about football and crazy about the Saint-Étienne club, told us his story through all his “first times”.

Aiko Tanaka

Aiko Tanaka is a combat sports journalist and general sports reporter at Archysport. A former competitive judoka who represented Japan at the Asian Games, Aiko brings firsthand athletic experience to her coverage of judo, martial arts, and Olympic sports. Beyond combat sports, Aiko covers breaking sports news, major international events, and the stories that cut across disciplines — from doping scandals to governance issues to the business side of global sport. She is passionate about elevating the profile of underrepresented sports and athletes.

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