Trail Running calendar near Alma 2026-2027

A three race trail series at Sunlight Mountain Resort near Glenwood Springs, Colorado. It offers 5K, 10K, and a half marathon with specified elevation gains, limited aid station support, and defined registration windows.

Alderfer 5K Trail Race at Alderfer Ranch in Evergreen Colorado is a 5 km trail event with shuttle service from Wulf Rec Center. The course is cup free with no aid stations, and water and refreshments are available at the venue.

A professional pack burro race in Cripple Creek on June 28, 2026, held within the Donkey Derby Days festival. The 6 mile course features chip timing, staffed checkpoints, cash prizes, and family activities at the start and finish.

A 5K run/walk in Winter Park, Colorado following the Fraser River Trail from Gondola Plaza to the Rendezvous Event Center, with an after party featuring refreshments, awards and prize giveaways.

A Fourth of July 5K in downtown Leadville, CO, held above 10,000 feet. Proceeds support local youth athletics and youth entries are free.

A historic uphill trail race in Vail, Colorado celebrating its 50th edition on July 5, 2026. The 12.2K (7.6 mile) route gains 2,128 feet and finishes at Mid-Vail with aid stations, awards, a raffle and post-race refreshments.

A high altitude trail running event in Como and Grant, Colorado offering ultras and shorter trail distances across alpine meadows, single track and historic mining terrain, with aid stations, drop bag options, crew and pacer rules.

Experience Crested Butte’s oldest trail challenge with running and mountain biking events. Choose between a 25 km loop or the classic 15 km sprint in this high elevation mountain competition.

A high altitude 50 mile out and back near Leadville with about 7,500 feet of climbing, aid stations, designated crew zones, shuttle parking, and LT100 qualifier coins available.

Experience the STRS Horseshoe Gulch Grind in Breckenridge with short and long course options. This trail event offers categories for adults and youth starting from the Blair Witch Trailhead.

Experience a high altitude mountain race through the Sawatch range of the Colorado Rockies. This 101 mile loop features historical ghost towns and alpine passes with over 23000 feet of elevation gain.

A two day festival in Centennial Park, Cañon City on July 17–18, 2026 featuring whitewater competitions and land based events. The program includes running and mountain bike races, raft rodeo, SUP activities, cardboard boat races and a ween..

Experience the mountain trails of Aspen Snowmass with three distinct race distances. Runners can choose between a 50K trek across four mountains a 25K trail run or a 10K course starting from the Elk Camp Gondola.

High-altitude trail races on Vail Mountain offering 10K and 5K courses that start near Gondola One, feature singletrack and gravel sections, on-course aid stations, post-race refreshments, and age-group awards.

A community trail event at JCC Ranch Camp on Saturday July 18 offering 5k and 10k trail options, sliding scale entry, on course water and clinic support, plus post-race tie dye and craft activities for finishers.

Experience a historic mountain run on Pikes Peak climbing to an altitude of 10,200 feet. This 12.6 mile trail race features a 3,630 foot vertical gain through the scenic landscapes of Manitou Springs.

A three-stage trail race in Colorado offering Full Pint (51 miles) and Half Pint (35 miles) options, with campsite support, meals, showers and therapy services; registration is limited to 500 runners.

Experience the mountain trails of Colorado Springs at the Pikes Peak Ultra. Choose from four race distances that take you through high elevation terrain including Cheyenne Canon and the summit of Mt. Rosa.

Elevation Run/Walk in Conifer, Colorado on July 25, 2026 offers 10K, 5K and 2 mile courses on paved roads and trails around Aspen Park at about 8200 feet, with proceeds supporting local schools and trail maintenance.

National High School Trail Championships and Beas Knees Citizens Race The National High School Trail Championships and the Beas Knees Citizens Race take place on July 25, 2026, on the Salida Mountain Trails in Salida, Colorado. The high sch..