Polar Plunge 5K
Aurora Reservoir 5800 S Powhaton Rd, Aurora, CO, United StatesThe 2024 Polar Plunge season is fast approaching, so get ready to RUN, PLUNGE, OR BOTH to raise funds and awareness for Special Olympics Colorado! Don't miss the Westerra Credit […]
Run the Ranch Trail Runs
Sylvan Dale Guest Ranch 2939 N CR 31D, Loveland, CO, United StatesFor the 5th year running and benefiting the Heart J organization, we are bringing back an amazing and beautiful trail race to Loveland, CO. You will have 6 distances to […]
Cayson Pearson Memorial 5K
Green Mountain High School 13175 West Green Mountain Dr, Lakewood, CO, United StatesThis annual fun run/walk (& knockout tournament if you also love basketball) is held each year to honor the memory of Cayson Pearson, award scholarships, raise funds for additional and […]
Mav Day 5K
Foster Field House - CMU 905 Mesa Ave, Grand Junction, CO, United StatesLace up your sneakers and get ready for an epic, one-of-a-kind 5k experience! Join us for our 2nd annual 5k that supports student scholarships. Every penny raised will be donated to […]
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.
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 […]
Fight for Air Climb
Coors Field 2001 Blake St, Denver, CO, United StatesThe Premier Stair-Climbing Event in Denver Where we climb: Coors Field. 1998 stairs to the top where you’ll see the world and yourself from a whole different perspective. How we […]
RMRR Spring Marathon Training Series #2
Platte River Trailhead Park Colorado Blvd and E 88th Ave, Thornton, CO, United StatesThese Marathon training races are geared towards people training for spring marathons. They are supported runs with aid stations and are timed and scored. There are both 10 mile and […]
Polar Plunge 5K
Boardwalk Park 100 N. 5th Street, Windsor, CO, United StatesThe 2024 Polar Plunge season is fast approaching, so get ready to jump in, make a splash and choose your chill for Special Olympics Colorado! Don't miss the Westerra Credit […]
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.