Horsetooth Half Marathon
New Belgium Brewing Company 500 Linden Street, Fort Collins, CO, United StatesWelcome to the 50th running of the Horsetooth Half Marathon. Your race will take you on a scenic point-to-point journey from Dixon Canyon to the finish line party at New […]
Rock Hawk Trail Race
Phillip S. Miller Park 1375 West Plum Creek Pkwy, Castle Rock, CO, United StatesHeld on the gorgeous, thrilling and rolling trails of Castle Rock’s Miller Park & Ridgeline Trail systems. While not overly technical, these trails will challenge and excite, as you soak […]
Rattler Trail Race
Palmer Park 3343 Paseo Rd, Colorado Springs, CO, United StatesRattler was created to feature one of Colorado Springs' best city parks, Palmer Park. Runners will enjoy views of the city and Pikes Peak from the sandstone bluffs, while running […]
All-Out Beat the Heat
Church Ranch Office Park 10170 Church Ranch Wy, Westminster, CO, United StatesOne of Colorado's favorite trails meets one of its most glorious parks at our 11th annual Beat the Heat! As courses wind southwest along Big Dry Creek Trail, the remarkable […]
The Mile High 4.20K
Sloan's Lake Park 1700 Utica Street, Denver, CO, United StatesA Mile Higher, A Mile Healthier Raise awareness and promote a healthy lifestyle with cannabis for medicinal purposes; physically, mentally, and psychologically. Finding different ways to give back to the […]
Unicorn 5K
Great Lawn Park 101 Yosemite St, Denver, CO, United StatesReady to gallop around Denver with some friends? Yeah, you are! Come frolic with us at the Unicorn Runner 5k at Great Lawn Park to kick off your spring running […]
Thelma and Louise Trail Race
Behind the Rocks Trailhead Moab, UT, United StatesBecause a girls weekend should include an exciting challenge, we present Thelma and Louise Marathon Half Marathon and 15K! There is also a marathon and 50K option! Bring your best […]
Runs With Scissors Races
Riverdale Regional Park 9755 Henderson Road, Brighton, CO, United StatesThe race will be held at Riverdale Regional Park, Pavilion B, in Brighton Colorado. Proceeds benefit INSPIRATIONFIELD. INSPIRATIONFIELD works with the developmentally disabled in Otero County (La Junta, Colorado) and […]
NoCo Half Marathon
Boyd Lake State Park 3720 N Co Rd 11C, Loveland, CO, United StatesSpring is the season of renewal and running. We hope you join us for a fun adventure that embodies the spirit of springtime at the beautiful Boyd Lake State Park! […]
Take 5 in the Garden of the Gods
Garden of the Gods Park 1805 N 30th St, Colorado Springs, CO, United StatesWho can turn down a morning in Garden of the Gods? We'll close the park to traffic, so runners can enjoy their race, traffic free! Choose between a 5k or […]
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.