A multi-distance mountain running festival in Chamonix including the iconic 42km marathon with 2,800m of elevation gain. Created in 1979 as the Cross du Mont-Blanc, the event has been a Golden Trail World Series fixture and attracts the world's top mountain runners. The course circles the Mont Blanc massif with stunning views and technical alpine terrain.
Races (5)
100K
90km du Mont Blanc
Fri, June 26, 2026 路 04:00 (UTC+2)
Distance
90km
Elevation
6,200m+
Latest Winners (2026)
Men
Louison Coiffet
9:37:22
Women
Candice Fertin-Baccon
11:53:31
Main Race
50K
42km du Mont Blanc
Sun, June 28, 2026 路 07:15 (UTC+2)
Distance
42km
Elevation
2,800m+
Latest Winners (2026)
Men
R茅mi Bonnet
3:33:14
Women
Tove Alexandersson
3:55:07
20K
23km du Mont Blanc
Sat, June 27, 2026 路 08:00 (UTC+2)
Distance
23km
Elevation
1,700m+
Latest Winners (2026)
Men
Benjamin Polin
2:06:17
Women
Oria Laci
2:26:21
10km du Mont Blanc
Sat, June 27, 2026 路 10:30 (UTC+2)
Distance
10km
Elevation
300m+
Latest Winners (2026)
Men
Lukas Ehrle
0:37:15
Women
Grace Whelan
0:47:42
KV
KM Vertical du Mont Blanc
Fri, June 26, 2026 路 17:00 (UTC+2)
Distance
3.8km
Elevation
1,000m+
Latest Winners (2026)
Men
Romain Discher
0:36:59
Women
Christel Dewalle
0:44:06