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Have an event to List?
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

Latest Past Events

New Castle Rides and Reggae Festival

VIX Ranch Park 627 N Wildhorse Dr, New Castle

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

Steamboat Stinger

The Steamboat Stinger, now a Colorado classic, aims to provide a challenging backcountry race experience showcasing some of Steamboat Springs’ finest singletrack. The Steamboat Stinger is also a fundraiser for

Sunrise to Sunset Winter Park

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.