Trail Running calendar near Gunnison 2026-2027

Join the Know The Snow Rando Race on January 25, 2026 at Purgatory Mountain Resort in Durango, Colorado to support avalanche education in the San Juan Mountains. Pick a 9.5 mile or 5.5 mile course and dress up for prizes.

Join the Gothic Mountain Tour in Crested Butte, a fundraising Nordic ski with competitive 23.5 miles and recreational 17.85 miles options. Limited to 200 skiers, enjoy alpine scenery and a festive finish at Magic Meadows Yurt.

Trail marathon, half marathon and 2 mile run in Salida, CO on March 14, 2026. Courses use dirt roads and narrow single track at elevations from 7000 to 9000 feet, with awards, race socks, and a 500 person combined cap.

Take on the Collegiate Peaks Trail Run in Buena Vista Colorado with 25 or 50 mile options through stunning high country. Mark the 36th anniversary with a memorable mountain trail challenge.

Challenge yourself on the scenic Up & Over single track from Flying Dog Ranch to Rock Bottom Ranch in Carbondale, CO. Choose 10 mile or 25K routes and enjoy a trail running weekend with films and community vibes.

Celebrate Memorial Day weekend with the Spirit Trail Race in Buena Vista, Colorado, a scenic trail event with marathon, half marathon and 9k options. Start in town square, enjoy Paddlefest fun, and support local nonprofits.

Celebrate Memorial Day with Pyro's Push It Up River Trail Run on May 25 in New Castle, honoring a fallen hero. Choose a family friendly 3.5 km riverside run or the scenic 7.7 km with hilltop climbs, available on site or virtually.

Join the Leadville Trail 100 Run Camp in Leadville, Colorado, June 19 to 21 for a three day preview of the LT100 course. Enjoy guided day and night runs, gear demos, shuttles and recovery services for a full race ready experience.

A 50 mile high mountain trail ultramarathon in Lake City, Colorado on June 20, 2026. Entry is by lottery for a 300 runner field, the course has multiple creek crossing options, MAProgress tracking is required, and prior ultra experience is..

Race in the Clouds at Alma Cemetery Meadow offers high country trail running, mountain bike races and weekend camping at 10,600 feet. Choose from a trail half, 10K, multiple bike distances and free kids races for a weekend of alpine adventu..

Experience The John Cappis, a free mountaineering jaunt near Silverton Colorado on June 27, 2026. This rugged off trail challenge uses a changing route and checkpoint scoring so every mile you reach counts toward the finish.

Run the Life Time Leadville Trail Marathon or Heavy Half on June 27, 2026, tackling high alpine singletrack and dirt roads through historic mining country up to Mosquito Pass at 13,185 feet. Expect a challenging, possibly snowy race with fu..

High Trails Retreat in Buena Vista July 9 to 12 2026 offers daily runs of 10 to 20 miles and an optional Hope Pass or Sawatch 14er climb. Stay riverside, share meals, relax by the river and pick routes with the group.

Experience high alpine trails above 10,000 feet at the Silverheels Trail Runs in Como, Colorado, July 10 to 11, 2026, with distances from 10 mile to 100 mile across scenic single track, meadows and historic mining sites. Limited fields make..

A 100 mile ultramarathon in Colorado's San Juan Mountains with about 66,394 feet of elevation change and average elevation near 11,186 feet. The loop course runs on 4WD roads, dirt trails and cross country terrain near Silverton.

A longtime Crested Butte trail event on July 11, 2026 offering a *25 km* loop, a *15 km* out and back, and a mountain bike route, all featuring significant climbing, limited aid, and unique prize traditions.

A high altitude out and back around Leadville on July 11 2026, the Silver Rush 50 Run covers roughly 50 miles with about 7,500 feet of climb and a 14 hour cutoff. The weekend also includes a 15 mile race and a juniors 5k and awards LT100 qu..

The Ouray 100 Mile Endurance Run is a rugged 100 mile trail race in Ouray, Colorado, with massive climbing across the San Juan Mountains. This unfussy, traditional ultramarathon culminates with a dramatic ascent to the Bridge of Heaven.

A high elevation 100 mile loop trail race in Colorado held July 17-18, 2026, covering roughly 23,500 feet of ascent. The route follows sections of the Continental Divide Trail and Colorado Trail, crosses five alpine passes, and passes two g..

Run the Silverton Alpine Runs in Silverton, Colorado on July 18, 2026, with 50K, Marathon or 8 Miler options along high alpine jeep roads. Experience sweeping San Juan Mountain views and ghost town scenery on rugged courses that start and f..