Trail Running calendar near Golden 2025-2026

The HRCA Backcountry Wilderness Half Marathon is an annual 13.1-mile trail race held in Highlands Ranch, Colorado, featuring a scenic single-loop course through the Douglas County East/West trail and the Backcountry Wilderness Area. The race offers a challenging route on dirt, gravel, and singletrac..

Bingo! Trail Party, hosted by the Human Potential Running Series, takes place at May Farms in Byers, Colorado. It features five levels: Level 1 (6–10 miles), Level 2 (8–20 miles), Level 3 (10–42 miles), Level 4 (10–54 miles), and Level 5 (18–54 miles), with a 9 PM time limit and a 300-runner cap. Th..

Located in Colorado Springs’ North Cheyenne Cañon Park, the Canya Cañon Trail Race & Family Hike offers a 4-mile trail race along the Columbine Trail, starting at the Starsmore Visitor & Nature Center (2120 S Cheyenne Canyon Rd). The course follows the beloved Columbine Trail to the Powell parking l..

Louisville Trail Race in Louisville, Colorado offers Half Marathon (13.1 miles), 10K (6.2 miles), and 5K (3.1 miles) on mostly dirt trails through the Front Range backdrop near the Flat Irons. The mostly flat to gently rolling course features two notable climbs and panoramic views of the Front Range..

Colorado Cold Rush Ultra, held in Colorado Springs, offers 50K, half marathon, and 10K options. The race is billed as the "coolest" winter running event and features a route starting at Bear Creek Regional Park, climbing High Drive, and threading through tunnels from the Colorado gold rush along Gol..

Thumbs Up Vertical Challenge takes place in Estes Park, Colorado, on December 6, 2025. The race uses the Thumb Open Space trail, a 2km out-and-back course with 540 feet of vertical gain per lap. The route is 100% single-track with switchbacks, steps and steep rocks, offering views of Longs Peak, Mou..

Located at Staunton State Park in Pine, Colorado, Sawmill Trail Runs offers three distances: 50k, 16-mile, and 8-mile. The event, now in its 8th edition, starts and finishes at the Ranch Hand Group Picnic Area. With a capped field of 250, the race combines scenic, challenging terrain across Colorado..

USCSA Cross Country Ski Racing Festival, hosted by Colorado Mesa University at Snow Mountain Ranch Nordic Center in Granby, Colorado, on January 24–25, 2026, brings collegiate teams together with junior skiers for a two-day Nordic festival. Races include a 15 km classic (collegiate and independent h..

The Stories Trail Runs take place Saturday and Sunday, February 21-22, 2026, at Cheyenne Mountain State Park in Colorado Springs. The combined runner capacity is 225. The weekend features multiple race formats including timed ultras and fixed-distance trail races. Two-day passes are offered that pa..

Race The Ranch is a snowshoe race held at the Snow Mountain Ranch YMCA property in Granby, Colorado on April 4, 2026. The event offers three distances: 50k 25k 5k The 50k route uses less-known trails on the property and includes Pete's Loop. Course maps and stated elevation gains are: 5k one lap..

Run the Ranch is an annual trail running event held at the scenic Sylvan Dale Guest Ranch in Loveland, Colorado. The race offers a variety of distances including 5K, 10K, and timed trail runs of 4, 6, and 12 hours, with options for solo runners and 4-person relay teams. Participants run on private r..

The Rattler Trail Race, held in Colorado Springs at Palmer Park, offers runners a chance to experience scenic singletrack trails with panoramic views of the city and Pikes Peak. The event features multiple distances: 50K, 25K, 10K, and 5K, catering to various skill levels. The course is known for it..

The Great Western Trail Race, held in Severance, Colorado, offers a variety of running events including a 5K, 10K, half marathon, and a Kids Fun Run. Scheduled for April 18, 2026, this race welcomes participants to enjoy spring racing in a scenic community park setting. The event features chip timin..

Niwot’s Challenge is the 13th annual invitation-only endurance ordeal along the South Platte River in Sedalia, Colorado. It offers three non-standard distances: a ~24-mile Burn Loop (16 hours), a ~50-mile Chief’s Loop (30 hours), and an ~100-mile Deity loop (60 hours). It is not a race but a transfo..

Greenland Trail Races is a multi-distance trail running event held at Greenland Open Space in Larkspur, Colorado. The lineup includes 50K, 25K, 8-mile, and 4-mile races, all run on dirt trails within the scenic open space, offering wide, smooth double-track surfaces and views of Pikes Peak. The cour..

Take 5 in the Garden is a scenic running event held in Colorado Springs, CO, within the stunning Garden of the Gods park. The race offers multiple distances including a 5K, 5 Miler, 5 Mile Trail, and a longer 9.5-mile Double Take course. The park is closed to traffic during the event, allowing runne..

The Valkyrie Trail Race, held in Cheyenne Mountain State Park near Colorado Springs, Colorado, is a women-focused trail running event offering distances from 4 miles up to 50 kilometers. The course begins on crushed limestone meadows before transitioning to singletrack trails ascending Cheyenne Moun..

Ram Party Trail Runs takes place at the Buffalo Lodge Bicycle Resort in Colorado Springs, Colorado, offering 55 miles, 60K, 50K, 24K, and 15K distances. The routes explore Rampart Range and Rampart Reservoir, with scenic single-track and dramatic views of the Front Range and Pikes Peak. The 55‑mile..

The Endure Trail Runs is scheduled for May 16, 2026 at the Pisgah Point Group Campground in Mueller State Park, Divide, CO. The event includes the following distances: 12-Hour timed event Marathon Half Marathon 10k Runner capacity is 225 combined. The 10k, Half Marathon and Marathon carry an 11-h..

The Weld Your Mettle Running Festival, held in Eaton, Colorado, is a multi-day event featuring a variety of running challenges for all levels. Participants can choose from solo or relay races lasting 3, 6, 9, 12, 24, or 36 hours, including a 100-mile ultra with a 36-hour limit. Unique formats like t..