Trail Running calendar near Alma 2025-2026

Bridge Burner Ultra takes place in Canon City, Colorado. The event offers multiple distances—35 miles, 50K, 35K, and 10K—on a single-loop course. Runners follow the Arkansas River along Tunnel Drive, passing granite tunnels, then ascend to 7,109 feet for expansive views of Royal Gorge, the Sangre de..

Beware The Bear Trail Races take place at Bear Creek Lake Park in Lakewood, Colorado. Organizers offer four options: a 5K, a 15K, a 5K+15K Double, and a Kids 1K. The mostly dirt courses feature single and double-track trails with short, steep climbs, rollers, and mixed terrain designed as a friendly..

The Colleen De Reuck XC Classic is a cross country running event held annually at Harlow Platts Community Park in Boulder, Colorado. Honoring renowned distance runner Colleen De Reuck, the race promotes health, fitness, and celebrates local Olympians, with 2025 honoring 2012 Olympic marathoner Yoshi..

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..

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 returns for its 12th year, offering a Half Marathon, 10K, and 5K on scenic trails around Louisville and the Flat Irons. The mostly dirt courses pair gentle elevation with two longer climbs on the half, plus a shorter hill in the 10K and 5K, all out-and-b..

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..

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..

Gothic Mountain Tour takes place in Crested Butte, Colorado. It features two ski races: a 23.5-mile competitive course and a 17.85-mile recreational route around Gothic Mountain, finishing on the Crested Butte Nordic trail system at the Magic Meadows Yurt. The course begins in Crested Butte (competi..

Stories Trail Runs is a winter trail racing festival at Cheyenne Mountain State Park in Colorado Springs, CO, offering a scenic, community-focused atmosphere with views of Cheyenne Mountain, Pike’s Peak, and the Front Range. The weekend includes 6-Hour and 15-Hour timed events, plus traditional 10k,..

The 21st Annual Run Through Time Trail Marathon and Half Marathon takes place in Salida, Colorado. It offers a Trail Marathon, a Trail Half Marathon, and a 2 Mile Run, plus a free kids’ 400-meter dash in Riverside Park. Courses run on the Arkansas Hills Trail System—dirt/jeep roads and narrow, hilly..

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..

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..

Royal Gorge Groove is a trail running event held Saturday, April 25, 2026, at Royal Gorge Ranch & Resort in Cañon City, Colorado. All races start and finish at the resort (Gunslingers Club) and use trails along the rim of the Royal Gorge, roughly 900 feet above the Arkansas River. Course terrai..

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..

Endure Trail Runs takes place at Mueller State Park in Divide, Colorado, with four events: a 12‑Hour endurance race and standard distances of 10K, Half Marathon, and Marathon. The 12‑Hour race uses a unique “tiny balls” mechanic: runners draw colored balls to determine which loop to run next, tallyi..