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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

All Day

New Castle Dirty Dozen

New Castle New Castle

New Castle   New Castle Dirty Dozen is a cross country style race in New Castle, Colorado. We are offering 3 formats, a 1 lap 10 mile race, a 2 lap 20 mile race and a 4 mile youth race.Read More

Race the Sun

Rendezvous Event Center 78841 US-40, Winter Park

Winter Park   Brand new for 2019, Winter Park Sunrise to Sunset capitalizes on two well-established strengths: the Sunrise to Sunset model and Winter Park’s deep mountain-bike roots. Luscious singletrack trails crisscross the mountains of Winter Park. How good are they,Read More

Crooked Gravel

Rendezvous Event Center 78841 US-40, Winter Park

Winter Park   High-altitude views abound in every direction. Crisp mountain air exhilarates the senses. And swarms of riders fire each other up. And that’s before the ride even starts! Both the 68- and 97-mile routes get right down to business, takingRead More

THE BROADMOOR PIKES PEAK CYCLING HILL CLIMB

The final race of the Colorado Summit Series.  Includes competitive race and gran fondo divisions.  12.42 mile/20km ride to the summit of Pikes Peak at 14,115 ft.  Closed road course which is fully supported

NEW CASTLE RIDES AND REGGAE FESTIVAL

The New Castle Rides and Reggae Festival is a celebration of all things trails, mountain biking, music and community. Rides and Reggae includes a Saturday full of fun including live music from local and national reggae bands, MTB Races forRead More