Best Buddies Friendship Walk
Basalt Middle School 51 School St., Basalt, CO, United StatesThe Best Buddies Friendship Walk is the leading event in the country supporting inclusion for people with intellectual and developmental disabilities (IDD). Join 50,000 participants at 70+ Walks across the […]
Great Divide Ultra
Mueller State Park 21045 State Highway 67, Divide, CO, United StatesExperience the spring-fed meadows, massive rocks of Pikes Peak granite, and sweeping views of Colorado’s most spectacular mountains in the Great Divide Ultras. This Colorado early season 100m, 100k, 50k […]
All-Out Summer Breeze
Stenger Soccer Complex 11200 W 58th Ave, Arvada, CO, United StatesFrom the heart of the West Metro area and the Stenger Soccer Complex, All-Out brings you our 11th annual Summer Breeze! Along with its Endless Series sidekick in January Polar […]
Colorado Triathlon
Boulder Reservoir 5565 N 51st St, Boulder, CO, United StatesWho's ready to kick off the 2022 season?! The Colorado Triathlon is where Colorado comes to race on Saturday June 4th, 2022! The Colorado Triathlon - sprint & olympic distances, […]
Walk to Cure Arthritis
Hudson Gardens and Event Center 6115 S Santa Fe Dr, Littleton, CO, United StatesTogether, let’s rock the walk to a lifetime of Yes! Yes, to finding solutions, better treatments and a cure. Whether you’re an arthritis warrior yourself or care about someone who […]
The 80’s Run
Highland Heritage Park 9651 S Quebec St, Highlands Ranch, CO, United StatesTHE 80s Are back! Are you ready? Then grab your old Nikes, Leg Warmers and Parachute Pants or SHORT shorts!
Garden of the Gods 10 Mile
Garden of the Gods Park 1805 N 30th St, Colorado Springs, CO, United StatesThe Garden of the Gods Ten Mile Run® is the premier race of Colorado Springs, coursing through the 300′ towering sandstone rock formations of Garden of the Gods Park, including […]
Barr Lake Trail Race
Barr Lake State Park 13401 Piccadilly Road, Brighton, CO, United StatesThe Barr Lake Trail Race returns to Brighton, CO, offering beautiful lake views and a prime opportunity for new PRs. Now in its sixth year, this event features our flattest […]
Climb 4 Change
Phillip S. Miller Park 1375 West Plum Creek Pkwy, Castle Rock, CO, United StatesClimb4Change is a unique racing event that offers various timed races on the 200-step Challenge Hill at Philip S. Miller Park. Participants ascend 178 feet at least once in any […]
Ironman 70.3
Boulder Reservoir 5565 N 51st St, Boulder, CO, United StatesBoulder has been a household name in the world of triathlon for decades. This endurance community has built a reputation among triathletes for training hard, racing fast and enjoying every […]
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.