Pearl Street Mile

Mountain Sun Pub and Brewery 1535 Pearl St, Boulder, CO, United States

Join Troop Events on Saturday August 6th for the 25th annual Pearl Street Mile, a criterium multi-lapped course that starts on Spruce St, and completes 3.75 laps around the Boulder Court House and up the Pearl Street Mall. This year, the race is the USATF Colorado One Mile Championships! There will be a Kids 800m, Family and Friends 1-Mile, time based 1-Mile waves, Masters 1-Mile races, and Elite Open 1-Mile races.

$35

Stagecoach Gravel Triathlon

Stagecoach Reservoir 25500 Co Rd 14, Oak Creek, CO, United States

To say this race is “unique” would be an understatement! Limited to just 250 athletes, Without Limits is excited to announce the first ever gravel triathlon to the Colorado triathlon landscape! This event is set for July 31st at Stagecoach Reservoir, a quiet and picturesque lake just 15 minutes south of Steamboat Springs.

Canceled Evergreen Town Race

Evergreen Lake House 29612 Upper Bear Creek Rd,, Evergreen, CO, United States

The Evergreen Town Race is a fundraiser for the Alpine Rescue Team.  Both the 5K and 10K courses wind gradually down Upper Bear Creek, with a finish near Evergreen Lake. […]

Jane Welzel Mountain Avenue Mile

Civic Center Park - Fort Collins Fort Collins, CO 80521, Fort Collins, CO, United States

What is better than one day of running? TWO days of running! The Choice City Running Event on August 5th and 6th at Civic Center Park in Fort Collins has something for everyone. Kick off a weekend with the Jane Welzel Mountain Avenue Mile on Friday evening! Continue running strong the following day with the Human Race Half Marathon, 10K, and 5K. The party continues both days in the park with live music, vendors and a New Belgium beer garden!

Georgetown to Idaho Springs Half Marathon

Georgetown Lake Georgetown Lake Road, Georgetown, CO, United States

Run a PR at one of Colorado's oldest half marathons! Part of the Colorado Mountain Half + Series, Georgetown to Idaho Springs Half Marathon is a Colorado Runner’s Must-Do. This […]

$75 – $95

Med Bow Rail Marathon

Lake Owen Lake Owen Rd, Albany, WY, United States

The Friends of the Medicine Bow Rail Trail will host the second annual Med Bow Rail Marathon & Half Marathon on August 13th, 2022 at Lake Owen in the Medicine Bow National Forest near Laramie, Wyoming.

$50 – $75

Holy Cow Trail Stampede

Westminster Promenade 10600 Westminster Blvd, Westminster, CO, United States

Giddy Up to the Holy COW Trail Stampede where we hit the trail together!  All participants will receive a short sleeved, performance blend tech tee.

Please click here to submit your event for FREE to our online calendar.
We do not allow events without physical locations (IE – virtual runs, runs with locations TBD, etc…).
Please allow 48 hours after submission for an event to appear on the calendar. If you have already listed your event and would like us to update it, please contact us.