XTERRA O-SEE Ultra Marathon 2027
Photo credits: Kristyna
A distance for every taste
65 kmTOP
50.3 km
25.3 km
16.9 km
Kids
Trail🏞 Nature⛰ Mountain
- Mid-June 2027
- Elevation gain : 2620mD+
- 65 km
50.3 km : O-SEE 50K
TrailTrail🏞 Nature⛰ Mountain
- Mid-June 2027
- Elevation gain : 2120mD+
- 50.3 km
25.3 km : O-SEE 25K
TrailTrail🏞 Nature⛰ Mountain
- Mid-June 2027
- Elevation gain : 1050mD+
- 25.3 km
16.9 km : O-SEE 15K
TrailTrail🏞 Nature⛰ Mountain
- Mid-June 2027
- Elevation gain : 590mD+
- 16.9 km
Races for children / juniors 👶
Includes one or more races for children!
Hotels near the race
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Made in France, between Lyon and Nantes
Made in France, between Lyon and Nantes