Event details subject to change. Please confirm all information via event website.
BolderBoulder 10K
Folsom Field 2400 Colorado Ave, Boulder, CO, United StatesWe’re not sure when or how it happened, but somewhere along the way our little run in Boulder, CO turned into an event of epic proportions. We like to think it’s part race, run, jog, walk, parade, celebration and tribute. We made it for everyone.
Angel Run
Red Leg Brewing Company 4630 Forge Rd, Suite B, Colorado Springs, CO, United StatesPlease join us on Memorial Day for the 5th Annual Angel Run in support of the local, veteran-owned 501c3 non-profit organization, Angels of America's Fallen! Gather at Red Leg Brewing for the in-person 10k and 5k run/walk or participate virtually. All proceeds of the event will be donated to Angels of America's Fallen to help […]
Weld Your Mettle
Frank State Wildlife Trailhead 32560 Colorado Blvd, Windsor, CO, United StatesA four day running event for runners of all levels featuring: Complete the 4 mile out and back route as many times as you can in the 3, 6, 9, 12, 24 or 48 Hour events as an individual or relay team 2x2x24 - Run or walk 2 miles every 2 hours for 24 hours […]
North Fork Trail Race
BPIA Community Hall 18050 S. Buffalo Creek Road, Buffalo Creek, CO, United StatesThe North Fork 50 Mile/50K is 100% trails, mainly single track and some double track, starting and finishing along lovely Buffalo Creek, in the mountains about 50 miles southwest of Denver. This is a pure ultra, a very special and unique race, deliberately kept small so each runner gets personal attention. There are no non-ultra […]
Mike the Headless Chicken 5K
Fruita Civic Center 325 E. Aspen Street, Fruita, CO, United StatesStart your festival day with a race that’s anything but ordinary. Whether you're sprinting, jogging, or walking in costume, the Mike the Headless Chicken 5K is the perfect way to kick off one of Fruita’s quirkiest and most beloved events.
Pilot Hill 25K
Pilot Hill Recreation Area 3799 E Willett Dr, Laramie, WY, United StatesThe Pilot Hill 25K Classic is the oldest continuously run footrace in Wyoming. The race has its roots back in the 1970’s when a group of local runners and university cross country team members decided to begin their summer training by racing from Laramie to the top of Pilot Hill and back down. At that […]
Walk MS
Lion's Park - Cheyenne 789 S Lions Park Dr, Cheyeene, WY, United StatesWalk MS includes a powerful new experience where you’ll witness how your support changes the lives of people with MS and gets us closer to our ultimate goal: a cure. Whether you live with MS, love someone who does, or are a part of the wider community, you can proudly display your role in the […]
Harvest Moon Triathlon
Boulder Reservoir 5565 N 51st St, Boulder, CO, United StatesEst. in 2000 this Colorado classic provides the veterans to beginners a challenging, affordable, and competitive race with a local flavor. Whether this is your first event of the season, or a tune-up for a summer long course triathlon, don't miss the Harvest Moon! The Aquabike portion is one of the fastest growing Aquabikes in […]
Summits Trail Runs
Granby Ranch 1000 Village Rd, Granby, CO, United StatesThe Summits Trail Runs occur at Granby Ranch Resort in Colorado’s beautiful Rocky Mountains. These challenging trail races offer a variety of distances ranging from shorter runs to ultra distances, each course showcasing sweeping mountain vistas, dense forests, and rugged alpine terrain. Runners experience varying elevation gains that test endurance as the routes twist through […]
Colorado Triathlon
Boulder Reservoir 5565 N 51st St, Boulder, CO, United StatesThe Colorado Triathlon is where Colorado comes to race! The Colorado Triathlon - sprint & olympic distances, duathlon & aquabike options . To make this the "can't miss" event of the season, we'll also have athlete hoodie sweat shirts, and the best swag bag of the season. For us this race is about one person, […]
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.