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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

Denver to Aspen Classic

Sloans Lake Park 26th and Tennyson St, Denver

Date: Saturday, July 29, 2017 Sign-in/Start: 3:00 am/4:00 am Start location: Sloans Lake Park, 26th and Tennyson St., Denver, CO End location: Woody Creek Tavern, Woody Creek, CO. Map: Denver to Aspen Brief description: Denver to Aspen is an EPIC single-day adventure from the Colorado's capitalRead More

14th Annual Grin & Barrett Charity Ride

Red Arrow Inn & Suites 1702 E. Main St. , Montrose

Montrose   The Black Canyon Buttkicker Charity Ride is held annually in Montrose, Colorado, to support patient wellness through San Juan Healthcare and the Caring Friends Fund.  In 2004, a group of riding enthusiasts and passionate men banded together inRead More

Breck 100

Carter Park 300 High St, Breckenridge

Breckenridge   Welcome to Colorado’s premier off-road endurance race, the 12th annual BRECK 100. This incredible course climbs 13,719 feet over 100 miles.  Not quite ready for the Ultra 100?  Challenge your abilities and ride the B-68 Marathon, the B-32 XC,Read More

Laramie Enduro

Medicine Bow National Forest Headquarters Rd, Laramie

Laramie, Wy   New Course for 2017   The Laramie Range Enduro originated in 1998 with a start/finish line located within the City of Laramie, Wyoming and climbed the west flank of the Laramie Range more than 1,300 feet intoRead More

DUST2: Bush’s Pump Track

Mark you calendars for the 2017 DUST2 Back Yard Mountain Bike Race Series line up! This fun race series has something to offer riders of every ability, so bring the whole family and all your friends! This year we have addedRead More