TRAIL55K20K10KUTMB World Series
Ultra-Trail Oise Cosacienne
Choisy-au-Bac, FranceChoose the distanceTap a distance: the course, fees, times and rules below update for that race.
MountainousRelay
At a glance
Ultra-Trail Oise Cosacienne 2027 takes place in june 2027 (exact day to be confirmed) in Choisy-au-Bac, France. Distances: 110 km, 55 km, 20 km, 10 km.
- Date
- June 2027 · Date to be confirmed
- Location
- Choisy-au-Bac, France
- Distances
- L'UTOC Relais · 110 km · Competitive
- L'UTOC Solo · 110 km · Competitive
- La TOC · 55 km · Competitive
- Les 20 km du Viaduc · Competitive
- Les 10 km du Viaduc · Competitive
- Finishers at the last edition
- La TOC about 100 · Les 20 km du Viaduc about 100 · Les 10 km du Viaduc about 100
- Series
- UTMB World Series
- Status
- To be confirmed
Last updated: 20 October 2026
Where it is
Choisy-au-Bac · FranceApproximate location: centre of Choisy-au-Bac. The exact start point is on the official website.
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