Laba Gravel is an off-road event exploring the valleys of Leitzaran, Artikutza, Bidasoa, and Aralar. Any type of bike is allowed (BTT, Gravel or e-Bike). There are 3 levels of difficulty and mileage:
- Laba-270: 270km, 5500 D+
- Laba-170: 170km, 3000 D+
- Laba-110: 110km, 1400 D+