2027 Season · France
La Gravel Tro Breizh
UltraOpen
- Date
- 8 May 2027 – 15 May 2027
- Location
- Iffendic (Lac de Trémelin)Brittany · FR
- Distance
- ~1,350 km
- Elevation
- ~20,000 hm
- Entry fee
- 195 €
A fully self-supported off-road ultra around Brittany from Lac de Trémelin — about 1,350 km and 20,000 hm of farm tracks, forest roads, hiking trails and quiet lanes. 180-hour limit; solo or duo; 100 places.