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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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Leadville Winter Bike Series 50k
Leadville This will be the first year of this exciting event with challenging climbs and exciting descents. Day time event. More info coming soon! Event details here Winter Bike Series Events: Feb 3 Winter Bike at Copper Mountain Feb 10 Tennessee Pass Night Jam March 3 Mineral Belt Mayhem March 17 NEW!! 50K RaceRead More
Find out more »CSU Cobb Lake Road Race
Ft. Collins Contact email ryork@rams.colostate.edu
Find out more »Pedaling for St. Pats
Colorado Springs Join hundreds of cyclists for your choice of ride across the city. Three courses to choose from ranging from a family friendly course to a grueling but amazing ride from Downtown to the top of Woodmen at Blodgett Peak and returning for a party and stroll through the parade. Event detailsRead More
Find out more »4SOH
Ft. Collins The Four Seasons of Horsetooth Mountain Bike Challenge is a grass-roots un-event with no entry fees and no real start times and is ridden on the two solstices and two equinoxes in Horsetooth Mountain Park and Lory State Park. By being required to complete at least three seasonal stages, we hope it encourages you toRead More
Find out more »9:00 am
St. Patrick’s Day Ride
Glendale Saint Patrick's Day VIP EVENT! We'll have bagels, coffee, and juice to fuel up before the ride. And of course-extra points for wearing your green apparel! You’re invited to join our Saturday morning group ride starting from and ending at our Glendale Performance Bicycle store. The average pace will be between 10-13 milesRead More
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