EDT XC Showdown
Aurora Sports Park 19300 E Colfax Avenue, Aurora, CO, United StatesWhether you run for a team, as an individual, or you just want to try out the experience of running a cross country race, you are welcome to join us […]
Run the Rocks 5K/10K
Red Rocks Amphitheatre 18300 W Alameda Pkwy, Morrison, CO, United StatesLet every step you take make a profound impact on lung health and clean air in Colorado! The American Lung Association in Colorado proudly offers the only timed race event […]
Blue Sky Trail Marathon
Blue Sky Trailhead County Road 38e, Fort Collins, CO, United StatesTaking place on the trails between Horsetooth Mountain Park and the Devil’s Backbone Open Space, the Blue Sky courses take you on a north-south tour of the easternmost hogbacks of […]
Bobcat Trail Races
Palmer Park 3343 Paseo Rd, Colorado Springs, CO, United StatesBobcat Trail Race was created to feature one of Colorado Spring’s best city parks, Palmer Park. Runners will enjoy views of the city and Pikes Peak from the rocky bluffs. […]
MonsterDASH
Sloan's Lake Park 1700 Utica Street, Denver, CO, United StatesColorado's Favorite Halloween Runs....Each year the Theme Changes!! 2025 brings...SCARY CLOWNS / Circus Theme! Our best theme yet. Saturday Race is in Denver at 9:30am... then Sunday is in Louisville […]
Narrowleaf Lake Run
Boyd Lake State Park 3720 N Co Rd 11C, Loveland, CO, United StatesBrisk autumn running in Colorado – OH YEA! Join us for a family fun event with three distance options at the beautiful Boyd Lake State Park venue. What’s a “Narrowleaf” […]
Ghosts & Goblins 5K/10K
City Park Pavilion - Denver 2001 Steele St, Denver, CO, United StatesThe Ghosts & Goblins 5K/10K is a family, friendly event to celebrate the upcoming holiday season. Start your holiday traditions with a fun morning of fitness and friends by joining […]
MonsterDASH
Louisville Community Park 955 Bella Vista Dr, Louisville, CO, United StatesColorado's Longest running Halloween race....since 2006, we have changed the THEME to this race year after year! This 2025 Theme is: Scary Clowns & Circus We wil have scary music […]
PPRR Nielson Challenge
North Monument Valley Park 1794 Culebra Ave., Colorado Springs, CO, United StatesRace Format The first time you run this event, you'll establish a base time for yourself. This base time is used to generate a handicap time. The handicap time is […]
Colorado 24 Hour Run
Colorado Youth Outdoors 4927 County Rd 36, Fort Collins, CO, United StatesWelcome to the Colorado 24 Hour Run! We aim to provide a fun, welcoming race experience that allows everyone to find a challenge, no matter where you’re at on your […]
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