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 […]
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 […]
Elevate Kids 10K/5K/2.5K
Las Colonias Park Riverside parkway, Grand Junction, CO, United StatesThis 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 […]
Donut Dash 5K
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.
Desert RATS Trail Running Festival
Mack Trailhead on Kokopelli Trail 1022 Old US Hwy 6 & 50, Mack, CO, United StatesDesert 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 […]
Amasa Trail Race
Kane Creek Trailhead Moab, UT, United StatesAmasa Trail Race is a 25K and 15K through one of Moab's most prized trail systems. Run past petroglyphs, the famous whale rock, red rock, canyons, and the Colorado River, […]
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.
Three Creeks Half Marathon
Cherry Creek State Park 4201 S Parker Rd, Aurora, CO, United StatesTravel on foot through some of the most beautiful parts of Cherry Creek State Park, with a total combined elevation gain of only 253 feet spread out over 13.1 miles […]
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 series)! This spring-time event also features 10k & 5k distances!
Horsetooth Half Marathon
New Belgium Brewing Company 500 Linden Street, Fort Collins, CO, United StatesWelcome to the 50th running of the Horsetooth Half Marathon. Your race will take you on a scenic point-to-point journey from Dixon Canyon to the finish line party at New […]
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.