Event details subject to change. Please confirm all information via event website.
CMRA Clear Creek 5K
Prospect Park W 44th Avenue and Robb Street, Wheat Ridge, CO, United StatesThis race will head west from Prospect Park on the Clear Creek trail on the north side of Clear Creek. There will be a turnaround and part way back there […]
ASDAsh 5K to Beat Tooth Decay
Library Commons 12950 E Montview Blvd, Aurora, CO, United StatesJoin us for the University of Colorado School of Dental Medicine's 6th Annual ASDAsh 5K to Beat Tooth Decay! We are excited to share that our 5K course has been […]
Platte River Half Marathon
Reynolds Landing 6745 S. Santa Fe Drive, Littleton, CO, United StatesDenver's oldest half marathon runs along the Platte River Trail, covering parts of Littleton and Denver.
Spring Fling Prairie Dog Half
Apex Center 13150 W 72nd Ave, Arvada, CO, United StatesWelcome to the SPRING FLING Prairie Dog Half, part of the Prairie Dog Half Race Series. This spring-time event also features 10k & 5k distances!
Elevate Kids 5K/10K
Las Colonias Park Riverside parkway, Grand Junction, CO, United StatesThis event is for all ages and abilities, whether you're in it to win or out for a fun Sunday morning walk. Come out and take a step to help […]
Donut Dash
Washington Park - Denver 701 S Franklin St, Denver, CO, United StatesThe Donut Dash 5K is Denver’s race that ends with doughnuts. Runners and walkers can take advantage of a flat and fast course, and then enjoy fresh doughnuts at the finish. Our mission is to bring people together to have a fun, fit morning.
Rattler Trail Race
Palmer Park 3343 Paseo Rd, Colorado Springs, CO, United StatesRattler was created to feature one of Colorado Springs' best city parks, Palmer Park. Runners will enjoy views of the city and Pikes Peak from the sandstone bluffs, while running […]
All-Out Beat the Heat
Church Ranch Office Park 10170 Church Ranch Wy, Westminster, CO, United StatesOne of Colorado's favorite trails meets one of its most glorious parks at our 11th annual Beat the Heat! As courses wind southwest along Big Dry Creek Trail, the remarkable […]
Polar Plunge 5K
Boardwalk Park 100 N. 5th Street, Windsor, CO, United StatesAre you ready for the COOLEST event of the season! Whether you're a daring plunger, a speedy 5K runner/walker, or a thrill-seeker ready to do BOTH, the Polar Plunge & […]
Great Western Trail Race
Severance Community Park 100 Waterfowl Way, Severance, CO, United StatesThe Great Western Trail is a wide unpaved trail located in rural Weld County in Northern Colorado. The trail connects to the Windsor Trail system on the northeast edge 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.