Boulder Stroke & Stride II
Boulder Reservoir 5565 N 51st St, Boulder, CO, United StatesThe Boulder Stroke & Stride enters its 23rd season in 2024, and offers Boulder area athletes a fun 1-lap 750 Meter Swim, or 2-Lap 1500 Meter swim in Boulder Reservoir, […]
Rocky Dog Fun Run
Vail Village 292 E Meadow Dr, Vail, CO, United StatesGet in on the action of the GoPro Mountain Games and bring your dog along for the ride! This 5K fun run/walk on and around Vail Mountain is for our […]
BRR Summer Track Series #1
Potts Field 4001 Discovery Drive, Boulder, CO, United StatesJoin us for The Boulder Road Runners All-Comers Summer Track & Field series! We are back at CU Pott’s Field on a brand new track!! Fun for all, from newcomers […]
Apres 5K Trail Run
Vail Village 292 E Meadow Dr, Vail, CO, United StatesKickoff your GoPro Mountain Games weekend with an evening jaunt on the trails of Vail Mountain. If you’re the kind of person who gets antsy watching the action from the […]
First Fridays 5K
Festival Park 199 Perry St., Castle Rock, CO, United StatesFriday nights in the summer are made for spending time close to home, enjoying the beautiful weather, and unwinding from the long week. Why go anywhere else but Downtown Castle […]
Climb 4 Change
Phillip S. Miller Park 1375 West Plum Creek Pkwy, Castle Rock, CO, United StatesClimb4Change is a unique racing event that offers various timed races on the 200-step Challenge Hill at Philip S. Miller Park. Participants ascend 178 feet at least once in any […]
Jodi’s Race for Awareness 5K
City Park - Denver 1700 N York St, Denver, CO, United StatesJoin the Colorado Ovarian Cancer Alliance on June 11th at Denver's City Park for Jodi’s Race, the 2nd largest ovarian cancer run/walk in the country, and to help raise awareness of the signs and symptoms of ovarian cancer. The family friendly event includes a 5K Run/Walk, 1-mile walk, Family Fun Zone, Furry Friends, Expo and Survivor Breakfast.
Steamworks Half Marathon
Durango Sports Club Durango, CO, United StatesThe Steamworks Half Marathon will take place in the San Juan Mountains on June 10, 2023 . This high-elevation, 13.1 mile race will take place at 6,500 feet above sea […]
CMRA Elk Meadow Trail Run
Elk Meadow Park 2855 Bergen Peak Drive, Evergreen, CO, United StatesCome up to scenic Elk Meadow Open Space for an exhilarating 5.1 mile trail run. This is a timed event that starts and ends near the Lewis Ridge Trail Head.
5K In My Shoes
Envision 1050 37th Street, Evans, CO, United StatesPlease 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.