Trail Running calendar near Leadville 2026-2027

Trail races at Greenland Open Space in Larkspur, Colorado offer 4 mile, 8 mile, 25K and 50K distances on dirt double-track trails with aid stations and championship designation for the 50K.

Niwot's Challenge is an invitation-only navigational ultrarunning trial near Sedalia, Colorado. Entrants must use map and compass, carry mandatory gear, and complete long off trail loops with minimal aid.

Collegiate Peaks Trail Run in Buena Vista, Colorado offers 25-mile and 50-mile loop options on single-track and jeep trails. Each loop starts near 8,000 feet and includes over 3,500 feet of elevation gain and loss.

Experience the 45th annual run along the scenic High Line Canal in Centennial. Enjoy chip timed 5K or 10K races followed by a pancake breakfast and beer garden.

A community trail event in Kittredge, Colorado featuring a 7.4 mile route through local trails and a kids run based on one 0.15 mile lap per year of age. The race is manually timed and includes post race food and activities.

Experience the natural beauty of Mueller State Park with various trail distances from a 10k to 12 hour timed ultra events. Choose between traditional distance loops or a unique randomized format determined by colorful draws.

Trail races in Eagle, Colorado on May 16, 2026 offering a **14K** and **6K** on mostly single-track with notable elevation gain, finish-line food, aid stations with Skratch hydration, and awards plus an afterparty at Capitol Public House.

Point-to-point trail races in Carbondale, Colorado offering a 10-mile and a 28k course over Prince Creek, Buckhorn and Glassier trails; organized aid stations and a weekend film festival accompany the event.

Farish Trail Race at Farish Recreation Area in Woodland Park, Colorado offers a half marathon, 10K, 5K and a free 1 mile kids run. Awards go to the top three men and women and the first 200 finishers get a race hat.

Test your endurance at this Golden Colorado event following the classic backyard format with 4.17 mile laps every hour. Support the Sun Valley Kitchen and Community Center while pushing for your personal best distance.

Spirit Trail Race in Buena Vista on May 24, 2026 offers marathon, half marathon and a 9k with start and finish at South Main Town Square near the Surf Hotel; proceeds support local outdoor and community groups.

A Memorial Day trail event in New Castle, Colorado, honoring a fallen hero with riverfront routes. Options include 3.5 km and 7.7 km courses with both in person and virtual entries.

Trail ultramarathon near Buffalo Creek, Colorado offering 50 mile and 50K on soft surface singletrack with short double track sections. Part of the proceeds support the North Fork Volunteer Fire Department.

A 20K clockwise loop around Turquoise Lake that mixes hilly paved road and single track trail, held May 30, 2026, with $40 adult registration and free entry for youth 17 and under. Proceeds support local youth athletics and recreation.

A 5k trail race through the rolling hills of Elk Meadow Park in Evergreen, Colorado, with vendor tents, rec trailer activities and refreshments. The course is cup free and has no aid stations, with marshals on course.

A scenic *5 km* cross country race at the Leadville National Fish Hatchery on May 31, 2026, with dirt road, path and trail sections. Awards are given by age group and youth registration is free.

Six trail races across Summit County, Colorado, in summer 2026. Series registration includes long and short course options with adult, youth, and non binary categories and events at multiple Summit County trail heads.

A mountain trail event in Snowmass Village on June 5-6, 2026 offering a 6.6 mile Red Loop and timed 6 hour and 24 hour ultras, with campground hub, on-site amenities, and 2026 as the final year at Snowmass.

A team trail relay in Snowmass Village on June 5-6, 2026 featuring mountain loops, camping at Ragnar Village, and team formats for four or eight runners. The course totals 120 miles with significant elevation gain and weekend on site amenit..

Trail races at Granby Ranch Resort in Colorado offer multiple distances including a 14 hour Elevation Challenge based on completed loops. The combined field is capped at 250 and the event includes aid stations, drop bag options, and on-site..