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Longmont Half and 5K

Longmont Rec Center 310 Quail Rd., Longmont

Longmont's only Half Marathon - now offered in the cooler month of MAY!  Join the Half Marathon or 5k distance!  Walkers and Runners of all abilities welcome!

Colorado Marathon

Washington Park - Fort Collins 301 Maple St, Fort Collins

Marathon, Half Marathon, 10k, 5k and 3-Person Marathon Relay.  Marathon, Marathon Relay and Half Marathon runners get to run down the scenic, downhill Poudre Canyon to the finish in Old […]

Event Series RMRR Trophy Series

RMRR Central Park 5M/5K

Stapleton Central Park 8801 Martin Luther King Jr Blvd, Denver

Everyone – slow, fast, or in-between –  can win  at RMRR Trophy Series races.  With our handicap scoring system, we predict YOUR finish time based on recent running results, giving you a great […]

Moose Mudder

Altitude Elementary School 27300 East Southshore Drive, Aurora

Please join us for the Annual Moose Mudder! This is a community event that will consist of an untimed 1k fun walk/run and a timed 5k followed by an optional […]

Emerge 5K

Boulder Reservoir 5565 N 51st St, Boulder

The Emerge 5k is our biggest annual fundraiser, and the funds we raise ensure that we can continue to fulfill our organizational mission of breaking the social and financial barriers […]

Fairmount 5K

Fairmount Park Golden

The Fairmount 5k has been an essential fundraiser for almost 30 years at Fairmount Park. This year, following the 5k run, walk and fun run we invite you to stay […]

Best Buddies Friendship Walk

Washington Park - Denver 701 S Franklin St, Denver

The Best Buddies Friendship Walk is the leading event in the country supporting inclusion for people with intellectual and developmental disabilities (IDD). Join 50,000 participants at 70+ Walks across the […]

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