Never Summer Ultra
State Forest State Park 56750 CO-14, Gould, CO, United StatesThe Never Summer 100km & 60km will take place almost entirely within the boundaries of State Forest State Park and run between the Never Summer Mountains on the northern border […]
Sundown XC
Aurora Sports Park 19300 E Colfax Avenue, Aurora, CO, United StatesSundown XC is back for 2023. You can race under the stars on July 27th at Aurora Sports Park. Middle School and Kids will kick things off, followed by the Community […]
Pikes Peak Ultra
Bear Creek Regional Park 245 Bear Creek Road, Colorado Springs, CO, United StatesPikes Peak Ultra was created in 2015 to showcase some of the very best trails in Colorado Springs. As a teenager, RD Justin Ricks trained on these trails and dreamed […]
Elevation Run/Walk
West Jeff Elementary School 26501 Barkley Road, Conifer, CO, United StatesThe Elevation Run/Walk is celebrating its 10th Anniversary on July 30th. Featuring a timed 10k race, USATF Certified timed 5k race, and 2 mile fun run. The race is held […]
SSPR TRYathlon
Cook Creek Pool 8711 Lone Tree Pkwy, Lone Tree, CO, United StatesSwim, bike, run for fun! This is the perfect starting point to try a tri. These races are about completion, not competition. All athletic levels are welcome. The only prerequisite […]
National High School Trail Championships
Riverside Park - Salida 170 E Sackett Ave, Salida, CO, United StatesThe National High School Trail Championship (NHSTC) is a trail race for high school athletes. The next running of the NHSTC will be held in Salida, Colorado. The race will […]
Pirates Run for Booty
Carpenter Park 3498 E 112th Ave, Thornton, CO, United StatesX Marks the spot and you'll find it at the FINISH LINE! Step through the finish arch and each finishing pirate will grab a coin from the bag of booty! […]
Creede 100
Creede Historical Society Museum & Library 15 S Main St, Creede, CO, United StatesThe Creede 100 start and finishes in one of Colorado’s true historic mining towns. Creede once drew a rough and tumble crowd with its abundant silver, now we flock their […]
Denver CF Climb
Coors Field 2001 Blake St, Denver, CO, United StatesGolddigger 5K
Clear Creek High School 185 Beaver Brook Canyon Rd, Evergreen, CO, United StatesA 5K fundraiser for Clear Creek Cross Country in the mountains just west of the Denver area.
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.