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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

The Heart of Colorado

Manitou Springs     This tour will allow you to discover the heart of Colorado, not only because it is in the center of the state but because it will allow you to explore the many different attributes that makesRead More

Lucky Pie Criterium

Louisville CO Master Criterium Championships The 2017 Masters State Criterium championship sponsored by Lucky Pie Pizza & Tap House and hosted by Sonic Boom Racing and Louisville Velo Club will return to the same great course as 2016, a flatRead More

Colorado Trail Race

Velorution Cycles 877 East Third Street, Durango

Durango to Waterton Canyon, Denver   The CTR: 500 miles and 70,000' of elevation gain winding through the Colorado Rocky Mountains between Denver and Durango. Approximately 300+ miles of singletrack at elevations ranging from 5500' to a gasping-for-breath 13,200'. TheRead More