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Monday 11 August
Tuesday 12 August
Wednesday 13 August
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Gran Trail Courmayeur
Resorts: Courmayeur, La Thuile, Pré-Saint-Didier
Abbé Henry square: departures for all races / Bollino park: arrival
Friday 11 July 2025
Courmayeur Bollino park - Mont Blanc Trail Fest Village
12pm – Opening ceremony
2pm - 6pm distribution of bibs for all races
6pm - 8pm distribution of bibs reserved for GTC100 athletes
6pm-9.30pm - Dj Dodo
6.30pm - 8pm - Public speech
Abbé Henry square
10pm start of GTC100
Saturday 12 July 2025
Courmayeur Bollino park - Mont Blanc Trail Fest Village
5:30am - 6:30am distribution of last GTC55 bibs
Abbé Henry square
7am start of GTC55
Courmayeur Bollino park - Mont Blanc Trail Fest Village
7:30am - 8:30am distribution of last GTC30 bibs
8:30am - 6pm Opening Mont Blanc Trail Fest Village
Abbé Henry square
9am start of GTC30
Courmayeur Bollino park - Mont Blanc Trail Fest Village
12pm arrival of the first GTC30 runners
12:40pm arrival first GTC100 runners
1pm arrival of the first GTC55 runners
6pm winners' awards ceremony
Sunday 13 July 2025
Courmayeur Bollino park - Mont Blanc Trail Fest Village
11:30am category awards ceremony
Contact
Three trails along the paths of Val Veny and Val Ferret with start and finish in Courmayeur, passing in the municipalities of Pré Saint Didier and La Thuile.
- Ultra Trail 100 km: 100 km with 7900 meters of positive height gain to be completed in 33 hours maximum. It winds along the paths of the Courmayeur, Pré-Saint-Didier and La Thuile territories, mainly developing along the Val Veny and Val Ferret. Qualifying race for Tor des Géants 2026: 100 bibs will be available in 2026 for the finishers of GTC100 2025, who may bypass the draw and register directly for the Tor des Géants 2026.
- Ultra Trail 55 km: 55 km with 3800 meters of positive height gain to be completed in 18 hours maximum. It winds along the paths of the Courmayeur and Pré-Saint-Didier territories, mainly developing along the Val Veny.
- Trail 30 km: 30 km with 2000 meters of positive height gain to be completed in 8 hours maximum. The route runs mainly along the Val Ferret.