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. This course treats participants to one of the most scenic and fastest races in Colorado. In fact, this may be one of the best races […]

Boulder Stroke & Stride X

Boulder Reservoir 5565 N 51st St, Boulder, CO, United States

The Boulder Stroke & Stride enters its 23rd season in 2024, and offers Boulder area athletes a fun 1-lap 750 Meter Swim, or 2-Lap 1500 Meter swim in Boulder Reservoir, followed by a 5k run on the reservoir dam on 8 Thursday evenings (plus one Wednesday evening) throughout the summer. Many participants make their open-water […]

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 iconic Half Marathon is one of the most pleasurable races in the western US. The point-to-point course is a scenic and gently rolling downhill mountain […]

$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

Human Race Half Marathon

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 in Civic Center Park Fort Collins has something for everyone. Kick off a run-filled weekend with the Jane Welzel Mountain Avenue Mile on Friday evening with 1-mile races for everyone including kids, middle & high school students, families, […]

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.

Forever Family 5K

Clement Park 7306 W. Bowles Avenue, Littleton, CO, United States

We are raising money to support adoption! All proceeds go directly to Sacred Selections Colorado (sacredselections.org). This is the organization that helped us adopt our two kids!

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.