Sharin O’ The Green 5K

Odell Brewing CO. 800 East Lincoln Ave, Fort Collins, CO, United States

This 5k has the luck of the Irish! Bring the kids and the pup for a fun event filled with craft beer, miles of smiles, and memories to last a lifetime at Odell Brewing Company in Fort Collins on March 11, 2023.

Erin Go Braugh 7.77K

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

Join us for the annual Erin Go Bragh 7.77k! This is THE LUCKIEST race on earth! There may not be a real pot of gold at the finish line of […]

Lucky Leprechaun 5K

Twisted Pine Brewing Company 3201 Walnut St, Boulder, CO, United States

Join us on Sunday March 17th, for our Lucky Leprechaun 5K Fun Run taking place on St Patrick’s Day at Twisted Pine Brewing Company - 3201 Walnut St Suite A, […]

$35

Behind the Rocks Ultra

Behind the Rocks Trailhead Moab, UT, United States

Behind the Rocks Ultra starts and finishes at the Behind the Rocks Trail, along the border of the Behind the Rocks Wilderness Study Area. Moab's last hidden gem; its tall […]

Trail Apples 4 Mile

Chatfield State Park 11500 N Roxborough Park Road, Littleton, CO, United States

We host one race per month from November to March.  All races are at Chatfield State Park and start at 9:00 am on Saturday mornings.  Check-in starts at 8:15 am.

Equinox Half Marathon

Sparge Brewing 3999 GW Bush Avenue Unit 101, Wellington, CO, United States

Both races start & finish at Sparge Brewing in Wellington 3999 GW Bush Unit 101, Wellington, CO 80549   4-Mile course is a square loop around the brewery on paved […]

All-Out Spring Fever

North Area Athletic Complex 19500 West 64th Pkwy, Arvada, CO, United States

From the base of Table Mountain and Colorado's spectacular foothills, All-Out Multicourse presents our 11th annual Spring Fever from Jefferson County's NAAC Stadium… easily accessible from several nearby highways. Along […]

Central Park 5K

Stapleton Central Park 8801 Martin Luther King Jr Blvd, Denver, CO, United States

Is it spring or still winter? We'll know when we run the Central Park 5k at the end of March! Celebrate the end of winter with us on this flat […]

Elevate Kids 10K/5K/2.5K

Las Colonias Park Riverside parkway, Grand Junction, CO, United States

This event is for all ages and all abilities, whether you're in it to win, or you're out for a fun Sunday morning walk.  Come out and take a step to […]

$15 – $50

Desert RATS Trail Running Festival

Mack Trailhead on Kokopelli Trail 1022 Old US Hwy 6 & 50, Mack, CO, United States

Desert Rats Trail Running Festival by UTMB has four unique distances, three days of racing and indescribable views of the desert. There is something for every runner. Enjoy views of […]

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.