Trail Running Calendar Colorado 2026-2027

The Pine Needle Langlauf is a demanding freestyle Nordic ski race in Durango. It offers multiple distances and features significant climbs and descents. The event concludes with live music and prizes.

Uncle Clyde's Run & Slide is a unique winter relay on a snow tubing hill at Purgatory Resort. Teams of two or three race up the hill carrying a tube, slide down, and hand off to a teammate. It’s a capped-entry event with categories for all..

Events The event includes three races: A trail marathon A trail half marathon A 2 mile run Course and Rules The courses take place in Salida, Colorado, on the Arkansas Hills Trail System and use dirt roads, jeep roads, and narrow, hilly s..

Race the Ranch is a unique snowshoe running event near Granby, Colorado. It offers 50K, 25K, and 5K distances across groomed and backcountry trails. All participants must carry snowshoes and receive a beanie and camp mug at the finish.

A three-day trail running festival in the high desert of Fruita, Colorado. Runners can choose from four distances on scenic singletrack with views of the Colorado River. The event offers a festival atmosphere with family activities and serv..

Run the Ranch offers trail races from 5K to 12-hour solo and relay events at the scenic Sylvan Dale Guest Ranch. Every runner receives a meal and a finisher award, with prizes for top performers. The event features varied terrain and has sp..

The Mountain Ridge Trail Race celebrates its 11th year in Colorado's Highlands Ranch. Runners choose from a 5K, 10K, half marathon, or 21-mile course on scenic dirt trails. The event features a cupless initiative to minimize environmental i..

A trail ultramarathon on April 12, 2026 along the Poudre River Trail offering 50 mile and 100 mile solo and relay options with stocked aid stations and a post race celebration in Greeley.

Event Overview The Rattler Trail Race takes place in Palmer Park in Colorado Springs, Colorado. It offers four distances: 5K, 10K, 25K, and 50K. The 50K distance consists of two loops of the 25K course. Course Details The event is designed..

Join the inaugural Earth Day 5K on the Animas River Trail in Durango. This fun run/walk supports Compañeros, an organization serving immigrants. It's a Zero Waste event encouraging participants to bring their own water.

On April 25, 2026 Royal Gorge Groove in Cañon City offers trail races from 5K to 50K along the rim of the Royal Gorge about 900 feet above the Arkansas River, with aid stations, camping and nearby lodging options.

Run the fast trails of Greenland Open Space in Colorado this May. Choose from four distances, from a 4-mile race to a 50K championship event. All runners receive a tech shirt and medal, with pizza waiting at the finish.

An invitation only endurance trial in Colorado focused on off trail navigation, map and compass skills, and limited aid. The field is capped at 40 and applications open in a short window in January 2026.

Take 5 in the Garden offers road and trail race options through Garden of the Gods Park in Colorado Springs on May 2, 2026. Courses run on roads closed to traffic and pass iconic rock formations with views of Pikes Peak.

The Pilgrimage is a 150-hour timed ultra in Colorado's high desert. Its unique format features five different loops, with route order changing each journey, emphasizing solitude and self-reliance. The event offers crewed and uncrewed divisi..

Celebrating 36 years, this classic Colorado trail run offers 25-mile and 50-mile options near Buena Vista. The scenic loop course starts at 8,000 feet and features significant elevation changes on Forest Service and BLM lands.

A women focused trail event at Cheyenne Mountain State Park on May 9, 2026 offering distances from 4 Mile to 50K across meadow, singletrack, and technical pine forest terrain.

A two-day outdoor festival in Fruita, CO featuring a trail half marathon, mountain bike and gravel 50K races, guided canyoneering, clinics, kids races, and reserved camping at the North Fruita Desert Trailhead.

Event Overview The Quad Rock 50 is a 50-mile trail race held in the hills west of Fort Collins, Colorado. The event takes place on a single-loop course through Lory State Park and Horsetooth Mountain Park. The course consists of two 25-mile..

Ram Party Trail Runs in Colorado Springs offers five trail distances from 15K to 55 miles around Rampart Reservoir with point to point and out and back course options, aid stations, drop bags, limited parking and shuttle service for the 60K..