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Clam chaser race

30 March 2025

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
5.0 out of 5 stars (based on 4 reviews)

Have your say

1 April 2025

A beautiful discovery for a hilly race and a gentle mix of concrete and forests

Very nice atmosphere

Michael
1 April 2025

A 1st for me, on a top course in the same genre as the Traînes Savates.

Perfect organisation and super-friendly volunteers

Michael
31 March 2025

A completely successful first edition! Just magnificent: the course, mainly in the forest, is very pleasant.

Christophe R
30 March 2025

A great atmosphere! As a volunteer this time!

Mission clear, super cool team! Atmosphere just the way we like it!

Karine
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