Trail Running calendar near Morrison 2026-2027

A remembrance running event in Longmont, Colorado on September 11 and 12, 2026 featuring loop course races from 5K to 100 miles and a virtual option. The event includes aid stations, participant shirts, finisher awards, and on site food for..

Ned Ned Run in Nederland Colorado features a trail Half Marathon, a 10K on dirt roads and single track, and a 5K out and back near Old Town. The event is family friendly, allows leashed dogs in the 5K, and encourages costumes.

Snow Mountain Ranch in Granby Colorado features trail races from 5K to 50KM across dirt trails with varied elevation and mountain views. Loop courses include aid stations, drop bag access, onsite lodging, and a pacer option for the 50KM fin..

This trail half marathon winds through Lory State Park near Fort Collins on a 13.5-mile loop with significant mountain views. The course features a mix of singletrack and dirt roads, with a 5.5-hour time limit. A free kids race and a post-r..

Point-to-point trail race in Empire, Colorado with 50K and 22K options, both on dirt single-track and reaching above 13,000 feet. Prior ultra experience is required for the 50K and cut-off times are enforced.

This women's trail running event in Buena Vista, Colorado offers a half marathon and a 10k through scenic Rocky Mountain terrain. The course winds through sagebrush and pines with views of the Collegiate Peaks. It fosters a supportive commu..

The 71st Pikes Peak Marathon is a 26.2-mile mountain run with nearly 8,000 feet of elevation gain and loss. The route goes from Manitou Springs to the summit of Pikes Peak and back.

The Break of Dawn North Table Trail Race features 10-mile and 5-mile courses on the trails of North Table Mountain in Golden. The event supports BeyondHome's mission. Packet pickup is available in the days before the race.

Test yourself on the iconic Pikes Peak Ascent, a 13.3 mile run from Manitou Springs to the summit with breathtaking views and huge elevation gain. A bucket list challenge for runners who crave high altitude adventure.

A trail running event in Buena Vista, Colorado offering 50k and 30k courses on high elevation singletrack and forest roads with views of the Collegiate Peaks. The event is organized by Freestone Endurance and hosted alongside 14er Fest.

A 24-hour loop endurance run on a 0.82 mile course atop the Palmer Divide at 7,240 feet. Prizes are awarded by distance and the first ten runners to reach 100 miles receive a buckle; a portion of registration fees supports local parks.

The Estes Epic returns to Colorado's mountains with trail runs and a mountain bike race. Choose from a 50k run, a heavy half marathon, a 50k bike race, or the ultimate "Epic" double. The event supports the local high school mountain bike te..

The Bear Chase Trail Race is a two-day endurance festival in Colorado's Bear Creek Lake Park. On Saturday, runners can tackle ultra distances from 50K to 100K, while Sunday features shorter races like a half marathon, 10K, and 5K. The cours..

Explore the scenic HRCA Backcountry Wilderness Area on this autumn trail race near Wildcat Mountain. Choose between a 10-mile or 10K course on rolling dirt trails. The event includes a kids' race and features a pancake breakfast and post-ra..

Mountain trail event near Pikes Peak offering 50K and 10K courses around Rampart Reservoir with multiple aid stations, crew access for the 50K, packet pickup, and on course food options.

A four-race fall cross country series across Colorado Springs parks with trail distances from 3.8 to 7.4 miles, chip timing, and series awards given after completion of all four races.

A multi-distance trail event at Indian Creek Campground near Sedalia, Colorado, featuring single-track routes through montane forests, aspens and red rock views, with 5-Mile, 15-Mile, 55k and 50-Mile options and limited entry.

A trail race series in Palmer Park, Colorado Springs offering 50K, 25K, 10K and 5K courses across rocky single track with city and Pikes Peak views. Mandatory reusable cup and offline GPX recommended; crews allowed at start and finish.

This October trail event near Fort Collins features a marathon and a half marathon on the scenic Blue Sky Trail. Run mostly on singletrack through the Front Range hogbacks, the races offer generous time cut-offs. A post-race meal, t-shirt,..

Run on scenic trails at Bear Creek Lake Park with views of Denver. Choose between a 5-mile loop or a two-lap 10-mile challenge. Your entry includes park admission, a t-shirt, and a finish line celebration with food and drinks.