Trail Running calendar near Leadville 2025-2026

Suffer Better Fall Trail Runs take place at Staunton State Park, just off Highway 285 near Conifer, Colorado. The event offers four distances: 50K, 25K, a 25K FishSlappers edition, and a new 5K. The course showcases CO’s best trails—lovely,..

Rubey Rescue Run is a 5K uphill trail race held in Aspen, Colorado. The course climbs Buttermilk Mountain, starting near the base at Buttermilk Mountain Lodge and gaining about 1,700 feet to the Cliff House, offering a timed competition and..

Boulder XC Series Meet 1 is a family-friendly cross-country event held at Valmont City Park (South) in Boulder, Colorado (5110 Valmont Rd). The meet offers three distances: 1K for younger runners, 3K for those up to 16, and a 5K open race,..

Run the Sage Burner Trail Race at Hartman Rocks near Gunnison Colorado on October 11 with 50K, 28K and 15K options. Expect technical slickrock, wide mountain views, swag and a 15K youth partnership.

Run scenic single track trails near the Denver skyline at the Great Trailhead Foot Race in Bear Creek Lake Park on October 18, 2025. Choose 5 or 10 miles, get a tech tee and post run party, and 10 mile finishers earn a mug.

Explore seldom used single track trails through lodgepole, aspen and red rock landscapes at Indian Creek Trail Runs near Sedalia, Colorado. Choose from 5 Mile to 50 Mile courses with scenic Front Range views and unique finisher awards.

Tackle scenic dirt trails at Bear Creek Lake Park with 5 km, 15 km, a 5 plus 15 double, or a kids 1 km. Registration includes socks or a neck gaiter and a pancake breakfast while kids earn a stuffed bear at the finish.

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..

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 rac..

Join the Sawmill Trail Runs at Staunton State Park in Pine, CO on Dec 6, 2025 for 50k, 16 mile and 8 mile trail races. Expect high altitude, limited parking with shuttle and winter trails where traction devices may be needed.

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...

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 Mag..

Event overview The 21st Annual Run Through Time takes place on Saturday, March 14, 2026, in Salida, Colorado. The event includes the following distances: Marathon Half marathon 2 Mile run Kids’ 400 meter run The marathon is open to ages 1..

Race The Ranch invites snowshoers to YMCA Snow Mountain Ranch in Granby Colorado on April 4 2026 for multiple distances on scenic trails and lesser known loops. Expect challenging climbs, friendly aid stations and great finisher swag.

Niwot’s Challenge is an invitation only, navigation driven ultra near Sedalia CO that emphasizes self reliance on rugged off trail terrain. Choose roughly 24, 50, or 100 mile routes with massive elevation gain and strict no GPS rules for a..

Run scenic dirt trails in Greenland Open Space near Pikes Peak with 50K, 25K, 8 Mile and 4 Mile options, highlighted by the 2026 RRCA National 50K Championship. Expect sweeping views, solid race swag and a lively trail day atmosphere.

Run rugged single and double track trails at Mueller State Park with distances from 10k to marathon and a playful 12 hour loop where colored balls pick your next lap. One main aid station, scenic views, and on site camping.

North Fork 50 : Event details The North Fork 50 Mile/50K is scheduled for Saturday, May 30, 2026, in Buffalo Creek, Colorado. The start and finish are at the Buffalo Creek Clubhouse, 18050 S Buffalo Creek Rd, Buffalo Creek, CO 80470. Distan..

Enjoy alpine single track through meadows and aspen groves at Granby Ranch Resort with distances from 6 Mile to 50k and a unique Elevation Challenge scored by total climb rather than distance. Small field and stocked aid stations make for a..

Great Divide Ultra in Divide, Colorado on June 6-7, 2026 offers looped 25k to 100 mile trail races in Mueller State Park plus the Dark Divide Night Run. Smooth single and double track winds through rolling meadows with stunning Pikes Peak v..