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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

VIDA MTB Clinic

Snowmass Bike Park snowmass

Snowmass Bike Park   Snowmass deserves its reputation as a world-class mountain biking destination. It's simply amazing, and if you haven't been here, you need to come. We will take over the Snowmass Bike Park and surrounding trails to teach all levelsRead More

Stonewall Century Ride

Highway of Legends Le Veta

Le Veta, Co   The Stonewall Century is a challenging road bike ride along one of Colorado's most beautiful scenic highways. We welcome you to come and enjoy some of the best road riding in Southern Colorado.   Join usRead More

Copper Triangle

Copper Mountain Copper Mountain

Copper Mountain   The famous Copper Triangle has long been considered one of Colorado’s classic alpine road rides.  Graced with breathtaking scenery, gorgeous roads and three challenging climbs, the i25Kia.com Copper Triangle exemplifies cycling in the Colorado Rockies. A spectacularRead More

Rocky Mountain Enduro Series, Race #2

Powder Horn Resort Mesa

Mesa, Co Five Races, Three States, Great Racing! We’re excited to offer an new venue to the Enduro race scene with the introduction of Powderhorn Resort.  Day 1 and 2 will see a combination or lift service and pedal transfersRead More

WP Epic Singletrack: Point-to-Point

Winter Park Ski Area Winter Park

Winter Park   Epic Single Track Series Race 1: Saturday, June 10 - Granby Ranch XC Kick-Off Race 2: Saturday, June 24 - Super Loop Race 3: Saturday, July 8 - Race Rendezvous Race 4: Saturday, July 22 - ElkRead More

Colorado Park 2 Park Challenge

Denver City Park 17TH Ave & Colorado Blvd, Denver

Denver City to Winter Park   This event started in 2011 with one man’s idea to ride from his home near Denver’s City Park to his newly purchased townhome in Winter Park. The unorganized inaugural year involved only 8 ridersRead More

The Mountains Revenge

Montezuma   This is intended to be NON-COMMERCIAL, Recreational-Use Activities that are held on parts of USFS lands in compliance with USFS Special Use Rules and Regulations. Please make sure to read all rules for this.  This is fully unsupported and youRead More

Lee Likes Bikes Level 1 MTB Skills Clinic

Valmont Bike Park Boulder

Valmont Bike Park, Boulder   Mountain biking is such a rad sport—and it’s about to get even radder. Do you know how it feels to rail a turn on skis or snowboard? Learn how to do that on your bike.Read More

$75

Lee Likes Bikes Level 2 MTB Skills Clinic

Valmont Bike Park Boulder

Valmont Bike Park, Boulder   Description Ride all sorts of terrain faster and smoother. Do you want to clean the rock garden at Hall Ranch (up and down)? Ready to boost jumps at Valmont and Trestle? This is the classRead More

$150

Littleton Twilight Criterium

Main Street & Alamo Avenue Littleton

Main Street, Alamo Avenue, Littleton   The Littleton Twilight Criterium is back for its fifth year! It’s a free festival atmosphere featuring food, a beer garden, kids activities and live music on the streets into the evening. A “criterium” raceRead More