The Grand Raid BCVS, Swiss Mountain Bike Race Marathon has been thrilling bikers since 1990. This marathon will take you from Verbier to Grimentz. It is renowned as one of the most difficult mountain bike races in the world.
The GRAND RAID BCVS will be celebrating its 35th edition and will be hosting the UCI Mountain Bike World Championships Marathon in addition to its traditional race. The world competitions will start first, leaving the rest of the field to get off to their usual starts. The 35th GRAND RAID BCVS will take place on Saturday 6 September 2025. Race numbers will be handed out in Sion on Friday 5 September 2025.
Opening times
On 6 September 2025