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Whether a race, special group ride, training opportunity, or cycling-related community event, the 303 calendar showcases it all.  To have an event posted here please follow this link:  Event Policy Submission & Guidelines

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Bikerpelli Kokopelli Trail

Fruita   WHAT IS BIKERPELLI? The largest, most peic multi-day MTB event on the Kokopelli Trail. We host two fully supported trips in May for 3 days and nights and an average of 150 miles of serious trail time. You'llRead More

24th Annual Fruita Fat Tire Festival


Fruita   Join us on May 3-5, 2019 as we celebrate our 24th year of this Colorado Mountain Bike tradition; the US Bank Fruita Fat Tire Festival presented by the City of Fruita. Meet MTB friends from around the worldRead More

50k & 100k Encierro Velo


Monument   Ready to test your courage? Or just looking for a adrenaline rush at the start of a awesome season ? Then Encierro Velo is your spring event. It will wake you up from your winter slumber! Google EncierroRead More

Ridgeline Rampage

Phillip South Miller Park 1375 W Plum Creek Parkway, Castle Rock

Castle Rock   Come out for the 10th annual spring fling on the grassy lawn at the Phillip S. Miller Amphitheater. Brink your blanket, spread out on the lawn and cheer on the racers. This ~12 mile circuit includes aRead More

May the Fourth Be With You Kids’ Bike Rodeo

Longmont   Kick off the season right with a skills course and first dibs on the new bike map.  A fun family-friendly bike event to get the season going.  We may be looking for best Star Wars themed costumes too.Read More