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Clam chaser race

29 March 2026

La Clam chaser race is making a comeback in Cossonay, offering a sporting challenge in a unique natural setting. Set between the old town, forests and hilly paths, this event promises a friendly atmosphere that's accessible to everyone, from experienced runners to families looking for a sporting treat.

Course

  • 10 km A demanding route with 200m of ascent, alternating between forest passages and gradual climbs to test your endurance.
  • 5 km Accessible to all with 70m of ascent, perfect for a first experience or a quick run.
  • 2 km (children) A fun course for young runners.
  • 1 km (discovery) Ideal for families and young children.

Practical information

  • Departure & arrival : CossArena
  • Refreshments Strategic points on the route and at the finish
  • Massages Free on arrival
  • Changing rooms & showers Available, but not monitored
  • Catering Food trucks and cake stalls all day long
  • Results Available on softtiming.ch

Ready to take up the challenge? Whether you're aiming for a performance or simply discovering the world, this race is the perfect opportunity to challenge yourself in an exceptional setting!

Event details

Distances
- 10 km, 5 km, 10 km
Vertical rise
100 m maximum ascent, 100 m to 500 m ascent
Region
Vaud

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