Sunrise to Sunset – Mountain Bike Relay
RACE THE SUN The Sunrise to Sunset is designed to offer recreational and competitive cyclists the opportunity to compete in a fun and rewarding 12 hour endurance race on a ... Read more
RACE THE SUN The Sunrise to Sunset is designed to offer recreational and competitive cyclists the opportunity to compete in a fun and rewarding 12 hour endurance race on a ... Read more
We are excited to bring a new event to the Colorado Front Range. The Thunder Valley Short Track Series starts this coming June. We will be hosting 3 short track ... Read more
We are excited to bring a new event to the Colorado Front Range. The Thunder Valley Short Track Series starts this coming June. We will be hosting 3 short track ... Read more
We are excited to bring a new event to the Colorado Front Range. The Thunder Valley Short Track Series starts this coming June. We will be hosting 3 short track ... Read more
Rumble at the Ranch is a 6 hour mountain bike relay for teams of two or three riders as well as solo racers. The race takes place on the amazing ... Read more
Join us September 3rd at Jeffco Fairgrounds for the first CX race of the season. Get off the couch, wipe off the cobwebs, open up the legs, and get ready ... Read more
Cyclocross returns to an old favorite at the Jefferson County Fairgrounds! Come race with us on December 6, 2025. You will be treated to an amazing race scene, exciting atmosphere, ... Read more
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