Rattlesnake Rumble Trail Race
Eldorado Canyon State Park 294 Artesian Drive, Eldorado Springs, CO, United StatesAutumn Run Half Marathon
McPhelemy Park 112 W Lake St, Buena Vista, CO, United StatesThe Autumn Run is held each year on the third weekend in September, in and around the historic, friendly, and picturesque town of Buena Vista, Colorado. Nestled in the upper […]
Fall Equinox Marathon
Mishawaka Amphitheater 13714 Poudre Canyon Rd, Bellvue, CO 80512, Bellvue, CO, United StatesHeld on the Autumnal Equinox during the height of fall color, the Equinox Marathon, Half Marathon and 5-miles races are all point-to-point, net downhill, scenic courses along the Cache La Poudre River in Fort Collins. This year, the event will take place on September 18th.
Pikes Peak Marathon
Memorial Park - Manitou Springs 502 Manitou Ave, Manitou Springs, CO, United StatesThe Pikes Peak Marathon, founded in 1956, is the oldest continually held marathon in the United States, taking runners from Manitou Springs, Colorado, to the summit of Pikes Peak at […]
Oktoberfest Triathlon
Union Reservoir 461 County Road 26, Longmont, CO, United StatesThe annual Oktoberfest Triathlon on Saturday September 24th, 2022, is the party of the season and also a 2022 Mountain Collegiate Conference Race! As the leaves change color this race […]
Farmers 5000
Wheat Ridge High School 9505 W. 32nd Avenue, Wheat Ridge, CO, United StatesThe Farmers 5000 is likely one of the very first school-based 5K fundraisers in the state of Colorado. Since 1981, serious racers and weekend warriors alike have been coming to […]
Race Against Suicide
El Pomar Youth Sports Park 2230 Executive Cir, Colorado Springs, CO, United StatesThe Race Against Suicide is an annual memorial and fundraising event for Pikes Peak Suicide Prevention. Participate in our 3k walk or 5k run individually or with a team in […]
Paul’s Mystery Ship To End ALS Walk
105 West Brewing Company 1043 Park St, Castle Rock, CO, United StatesPaul’s Mystery Ship To End ALS launched in 2020 following Paul Dannels battle with ALS, a disease causing profound physical changes for individuals and families. Our foundation brings hope amid […]
Red Feather Trail Jamboree
Ben Delatour Scout Ranch 2331 County Rd 68C, Red Feather Lakes, CO, United StatesCome enjoy the clean air and wild spaces of the Red Feather Lakes region in Northern Colorado at the Red Feather Trail Jamboree on September 17th. This 50K and half marathon takes place at the Ben Delatour Scout Camp and are designed to be beginner (or PR) friendly.
Bear Chase Trail Race
Bear Creek Lake Park 15600 W Morrison Rd, Lakewood, CO, United StatesThe Bear Chase Race Endurance Festival is a 100K, 50 Mile, 50K, Half Marathon and the Baby Bear 10K trail race at beautiful Bear Creek Lake Park, in Lakewood, CO. […]
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.