Trail Running calendar near Vail 2026-2027

A historic mountain trail race in Vail, Colorado covering 12.2K with 2,128 feet of ascent. The 50th Vail HillClimb awards finisher medals, age group prizes, and provides aid stations, race shirts and postrace refreshments.

Community outdoor event in Golden offering a 12 mile bike ride, a 5 mile hike, and a 10 mile run at South Table Mountain. Participants must sign a Latinos Outdoors waiver and bring appropriate gear.

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.

A trail event at the Crested Butte Nordic Center featuring a 15 km out and back run, a 25 km loop run, and a technical 25 km mountain bike race with alpine climbs and a Green Lake checkpoint.

A series of Leadville trail races on July 11, 2026, highlighted by a 50-mile out-and-back with 8,000 feet of gain, organized aid stations, and a spot as a qualifier for the Leadville Trail 100 Run; 15-mile and juniors 5K distances are also..

The STRS Horseshoe Gulch Grind will take place in Breckenridge on Wednesday 15 July 2026.

A 100 mile loop through Colorado's Sawatch Range, the High Lonesome 100 covers about 23,300 feet of climb, includes 27 miles of the Continental Divide Trail and 35 miles of the Colorado Trail, and provides detailed maps and aid stations.

A three day 120 miles trail running event near Buena Vista Colorado using charity bibs that require a minimum $2,000 fundraising commitment. Successful fundraisers receive a registration code and donations are final and distributed in Decem..

Trail races on the Spring Creek trail start and finish near the gazebo on Spring Creek Road. Options include a 9.5 mile loop with significant early climbing and a 5K out and back; the event is cupless and includes awards plus a raffle.

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.

A mountain trail event on July 18, 2026 featuring 10K and 5K courses on Vail Mountain. Courses were rerouted for 2026 and include aid stations, high-altitude terrain, age-group awards, and post-race refreshments.

Repeating 2 km out and back laps on the Thumb Open Space trail in Estes Park. Participants collect a poker chip at each turnaround and the most chips wins during a sunup to sundown timeframe; 35 spots and a $100 entry fee.

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.

Alpine ultramarathons in State Forest State Park between the Never Summer and Medicine Bow ranges. Options include 100 km, 60 km or both, with high elevation terrain, staffed aid stations and limited cell service.

Held July 25, 2026 in Conifer, Colorado, the Elevation Run/Walk offers a 10K, a USATF certified 5K and a 2 mile fun run while raising funds for local school boosters and leading into the Elevation Celebration festival with music and vendors..

A combined national high school trail championship and a citizens race on the Salida Mountain Trails in Salida, Colorado on July 25, 2026. The 5.4 mile singletrack course includes steep climbs, switchbacks and a high point near 7,558 ft.

A community 4 mile road run in Carbondale tied to the Mountain Fair, finishing at Sopris Park. Entry fee is $40 with free youth entry and proceeds benefiting Carbondale Arts.

Experience a historic Colorado tradition where runners and burros compete together. Navigate mountain trails and high altitude passes while carrying traditional mining gear in this unique world championship event.

A single 200-mile loop around Summit County, Colorado on trails, 4WD roads and rec paths, with elevations above 9,000 ft and sections over 12,700 ft. The field is capped at 75 runners and includes 12 aid stations, four sleep stations, and l..

STRS #4 - Tom's Baby on July 29, 2026 takes place at Tom's Baby Trailhead in Breckenridge, CO, offering short and long course entries with adult, youth, and non-binary categories and published entry fees.