Event details subject to change. Please confirm all information via event website.
Freakin Freezin 5K
Northfield High School 5500 Central Park Blvd, Denver, CO, United StatesIt's that time of year when brave runners lace up, layer up, and take on the chill! The Freakin' Freezin' 5K is all about starting the new year with some […]
Yeti Chase
Bear Creek Lake Park 15600 W Morrison Rd, Lakewood, CO, United StatesThis race is conveniently located on the scenic west side of metro Denver. Bear Creek Lake Park is known for it’s diverse bird and waterfowl population as well as stunning […]
Arches Ultra
Gemini Bridges Trailhead at Gemini Bridges, Moab, UT, United StatesArches Ultra travels along the border of Arches National Park, using Bar M, Klonzo, and Klondike Trail Systems. The trails are smooth and easy at points, technical slick rock at […]
Sourdough Snowshoe Race
South Sourdough Trailhead 115 Co Rd 116, Nederland, CO, United StatesThe race is intended to be a difficult and fun free of charge backcountry event; any and all plans can change due to trail conditions for the runner’s safety. Snowshoes […]
Old Man Winter Rally 5K/10K
Bohn Park 199 2nd Ave., Lyons, CO, United StatesBundle up and get ready to run and/or ride Colorado's best mixed terrain at the Old Man Winter Rally in Lyons on February 6th. Runners can crush the 10K course of single track trails, red rock canyon and gravel paths while riders can choose a 50K or 100K of dirt, snow, climbs and thrills! With a ragin' after party with hot food and cold beer, what more could you want?
Tortoise & Hare 8K
Edora Pool Ice Center 1801 Riverside Dr, Fort Collins, CO, United StatesThe Tortoise & Hare (T&H) is a low-key “handicap” series of seven races that are run monthly from October to April, typically on the first or second Sunday of the […]
RMRR Love on the Run 11K/5K
Centennial Park - Englewood 4630 S Decatur St, Englewood, CO, United StatesEveryone – slow, fast, or in-between – can win at RMRR Trophy Series races. With our handicap scoring system, we predict YOUR finish time based on recent running results, giving you a great […]
Splash & Dash I
Louisville Recreation and Senior Center 900 Via Appia Way, Louisville, CO, United StatesJoin us for a Kids’ Splash & Dash Series this winter at the Louisville Rec Center! Get ready for a fun, energetic winter racing experience! Each event features an indoor […]
Running Up for Air
Staunton State Park 12102 S Elk Creek Rd, Pine, CO, United StatesRunning Up for Air unites our community over a shared passion for running and a desire to drive real, lasting change in the fight for cleaner air. Through endurance events […]
PPRR Nielson Challenge
North Monument Valley Park 1794 Culebra Ave., Colorado Springs, CO, United StatesRace Format The first time you run this event, you'll establish a base time for yourself. This base time is used to generate a handicap time. The handicap time is […]
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.