Trail Running calendar near New Castle 2026-2027

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.

A three-day trail running festival in Fruita, Colorado with four distances on desert singletrack and slickrock. The 100K serves as a Western States qualifier and select races award UTMB Index Running Stones.

The Pilgrimage is a multi route ultramarathon in the high desert near Mack, Colorado, where 45 runners have 150 hours to complete 55 mile Journeys. Choose crewed support or go uncrewed; navigate five rotating off pavement routes for a raw,..

A two-day outdoor festival at the North Fruita Desert Trailhead with a 13.8-mile trail half, multiple 50K bike races, guided canyoneering, clinics, kids races and reserved campsites.

A 13.8 mile singletrack loop in the North Fruita Desert with about 1,000 feet of climbing, three aid stations, and desert views of buttes and mesas. The race is part of the Adventure Fest weekend with camping, bike races, clinics, and award..

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.

A Memorial Day trail event in Grand River Park, New Castle, offering a family friendly 3.5 km riverside route and a longer 7.7 km route over scenic hilltops, with matching virtual distance options.

A trail race at Howelsen Hill in Steamboat Springs on June 13, 2026 featuring 8 mile and 4 mile single track loops on Emerald Mountain. Proceeds benefit the Knights of Columbus and awards and a prize raffle follow the race.

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.

Trail races in Leadville, Colorado that follow historic mining roads and single track and top out at Mosquito Pass at 13,185 feet. Distances include 26.4 miles and 15.46 miles, with multiple aid stations and on course nutrition.

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 50-mile out-and-back in Leadville with about 7,500 feet of gain, seven aid stations, off-site parking with shuttles, and LT100 qualifier coins; shorter 15-mile and juniors 5K options are also offered.

Join the Powderhorn Mountain Trail Climb in Grand Junction for scenic 5K and 15K trail runs that celebrate local runners and outdoor community spirit. Volunteer spots are available and full refunds or deferrals are offered if severe weather..

Two trail races in Steamboat Springs on July 18, 2026: a 9.5 mile loop with significant climbing and rocky single track, and a 5k out and back on rolling two track. One aid station on the longer course, cupless event, prize raffle and post..

Run scenic mountain trails around Aspen Snowmass at the Audi Power of Four Trail Run on July 18, 2026. Choose from 10K, 25K or an epic 50K and enjoy challenging terrain, alpine views and Audi supported race day energy.

Take on the high, broad Grand Mesa at over 10,000 ft on technical single track through alpine meadows, lakes and wildflowers. Choose a 50 mile, 55K or 30K route and enjoy camping, a post race BBQ and beer.

A single 200 mile loop around Summit County, Colorado, at high altitude with about 40,000 feet of elevation change, live GPS tracking, limited field size, and multiple aid and sleep stations over a multi day schedule.

A trail race in Aspen offering 50K, marathon and heavy half marathon on mostly dirt trails with high alpine terrain and substantial elevation gain. The race shares a finish festival at Rio Grande Park featuring a Duck Derby and live music.

A trail race on the Frisco Peninsula offering 5k, 10k and half marathon courses with lakeshore finishes, chip timing, stocked aid stations, post-race food and beer, and marked single track and dirt trails.

Emerald Mountain Epic in Steamboat Springs on August 8 and 9, 2026 is a two day mountain bike and trail running weekend on scenic singletrack dirt trails. Race marathon, half or bike distances with a limited field of 500 per day.