Hometown Half Marathon
Westminster Promenade 10600 Westminster Blvd, Westminster, CO, United StatesJoin us for the annual Hometown Half Marathon & 5k/10k! A run local-themed event that is perfect for the whole family. The fun includes great swag (designer shirt, custom medal), […]
XTERRA Lory Triathlon
Lory State Park 708 Lodgepole Dr, Bellvue, CO, United StatesXTERRA Lory Triathlon on June 18th is the perfect kick-off to the year for the seasoned off-road triathlete, or a great opportunity for the road triathlete wanting to try out […]
Unicorn 5K
Carpenter Park 3498 E 112th Ave, Thornton, CO, United StatesReady to get off the sofa and gallop around Thornton with some friends? Yeah, you are! Come frolic with us at the Unicorn Runner 5k in Thornton to kick off […]
Red, White and Brew Run
Raindance National Golf Course 1781 Raindance National Drive, Windsor, CO, United StatesWalk, run or ruck, a 5k, 10k, Half Marathon or 12 Hour Last Man Standing Race to celebrate the Red, White and Brew in Windsor, CO! Starting and ending at […]
Heart Walk
Sloan's Lake Park 1700 Utica Street, Denver, CO, United StatesWe're all tied to heart disease and stroke in some way, and we must change that. Join your friends, family and co-workers to be a relentless force for a world […]
Estes Park Backyard Ultra
Estes Park High School 1600 Manford Ave, Estes Park, CO, United StatesThe Backyard Ultra with the views. The Backyard Ultra is a form of Ultra race where runners must complete 4.167 miles in less than one hour, every hour, until only one […]
Run Devils Tower Half Marathon
Devils Tower WYO 110, Devils Tower, WY, United StatesRun in the shadow of the First US National Monument…..Devils Tower, Wyoming and view the Tower from exclusive perspectives as you run on the historic Campstool Ranch. Come stay for […]
Postponed Blue Sky Ascent
Echo Lake Campground 13264 Chicago Creek Rd, Idaho Springs, CO, United StatesAlthough the air will be noticeably thin at the starting line, Echo Lake's 10,600 feet of elevation is just the beginning. The climb totals nearly 4,000 vertical feet - much […]
SSPR TRYathlon
Goodson Recreation Center 6315 S. University Blvd., Centennial, 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 is that you must […]
Strawberry Shortcut 5K/10K
Bethel Plaza 704 Grand Ave, Glenwood Springs, CO, United StatesThe Strawberry Shortcut offers a 10K, 5K, and 1 Mile Run. The race welcomes participants ranging from competitive runners, to those just looking to try something new. The Shortcut 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.