Mother’s Day Trail Run
Louisville Community Park 955 Bella Vista Dr, Louisville, CO, United StatesA new Race Series for Colorado with 2 races over the Weekend for both WOMEN/Moms and their families!....Saturday, MAY 10th, 5k & Family 1 mile in Denver at GREAT LAWN PARK, then on THIS Sunday in LOUISVILLE- COMMUNITY PARK for the 5k, 10k and Family Mile Trail Races. Take your choice. LOUISVILLE- Expo opens at […]
Do Not Stop 5K/10K
Norris Penrose Event Center 1045 Lower Gold Camp Rd, Colorado Springs, CO, United StatesQuestion: Is it supposed to be DO NOT STOP, or DONUT STOP? Answer: YES! Like Running or Walking? Love Donuts? This race is for you! Join us for the annual Donot Stop 5k/10k and half marathon! A donut-themed event that is perfect for the whole family. The fun includes great swag (designer shirt, custom medal), […]
Ram Party Trail Runs
Buffalo Lodge Bicycle Resort 2 El Paso Blvd, Colorado Springs, CO, United StatesWith plenty of race options for everybody centered around the beautiful Rampart Reservoir in Woodland Park, Colorado, you're sure to have a good time while you take in the epic views of Pikes Peak and the front range. 55 Mile | 60K | 50K | 24K | 15K
Endure Trail Runs
Mueller State Park 21045 State Highway 67, Divide, CO, United StatesThe Endure 12-Hour is a one-of-a-kind challenging 12-Hour timed event, designed by YOU… and tiny colorful balls. Each runner will pull colored balls from a bucket, which determines the loop they’ll next run. This continues for up to 12-hours in time, and the runner’s result is the number of miles they ran within the allotted time. […]
Samson’s Revenge Trail Race
YMCA of the Rockies - Estes Park 2515 Tunnel Rd., Estes Park, CO, United StatesSamson was the celebrity elk of the Rockies until he was illegally poached in 1995 on YMCA grounds. Our race runs on Samson's home turf, The YMCA of the Rockies, which his descendants still call home. The course is fast single track with a big King of the Mountain challenge slapped in the middle. This […]
Vallecito Lake Heavy Half
Vallecito Lake 17454 Co Rd 501, Bayfield, CO, United StatesThe Vallecito Lake Heavy Half Marathon is a beautiful and scenic course around Vallecito Lake. Nestled in the heart of the San Juan Mountains in Colorado, our race course takes runners completely around the picturesque Vallecito Reservoir with a special section that runs right across Vallecito Dam. If you ever wanted to run all the […]
Spirit Challenge
Steamboat Springs Middle School 5100 Amethyst Drive, Steamboat Springs, CO, United StatesThe Spirit Challenge Run for Autism offers three different distances, a 10k, 5k and Kid’s Fun Run. All races are on paved roads, except for the 5k which has a short section on trail. The Kid’s Fun Run is an 800m run consisting of 2 laps around the Steamboat Springs Middle School track. The Spirit […]
Colfax 5K
City Park - Denver 1700 N York St, Denver, CO, United StatesCome join over 21,000 runners from all over the world in the Mile High City! 2 Days, 8 Races means a distance for everyone! 26.2 Marathon through the stadium, fire station, downtown, Sloan’s Lake, Colfax Ave, 7 miles of water 13.1 Half Marathon through Denver Zoo, Denver Fire Station, downtown, Colorado Firefighter Calendar on course Urban 10 […]
Canine On the Creek 5K
Charlie's Place Animal Shelter 500 W Dumont Rd, Dumont, CO, United StatesGrab your family and friends (don't forget Fido!), your running (or walking) shoes, and join us as we raise funds for FOCP- Friends of Charlie's Place (the Clear Creek and Gilpin County Animal Shelter) and CCMRD Youth Programs. This fun and fast course travels both paved and dirt trails along scenic Clear Creek. Shelter dogs […]
Colfax Marathon
City Park - Denver 1700 N York St, Denver, CO, United StatesCome join over 21,000 runners from all over the world in the Mile High City! 2 Days, 8 Races means a distance for everyone! 26.2 Marathon through the stadium, fire station, downtown, Sloan’s Lake, Colfax Ave, 7 miles of water 13.1 Half Marathon through Denver Zoo, Denver Fire Station, downtown, Colorado Firefighter Calendar on course Urban 10 […]
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.