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.

Run desert singletrack and slickrock mesas above the Colorado River at Desert RATS Trail Running Festival by UTMB in Fruita CO. This three day festival features races 9K to 100K, a basecamp party, kids race, and UTMB qualification chances.

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,..

Adventure Fest at North Fruita Desert Trailhead near Fruita, CO on May 9 and 10, 2026 combines trail running, mountain biking and gravel racing with clinics and guided canyoneering. Camp, race a half or 50K and cap with a bonfire glowstick..

Run the Fruita Trail Half Marathon through the North Fruita Desert, a scenic single loop of 13.8 miles with roughly 1000 feet of climbing and sweeping views of buttes and mesas. Expect flowy singletrack, technical climbs and lively aid stat..

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 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.

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..

Take on alpine trails at Grin & Bear It in Crested Butte on July 11 2026, with run and mountain bike distances for all levels. Expect big climbs, sweeping alpine views and a start and finish at Crested Butte Nordic Center.

Join the Life Time Silver Rush 50 Run in Leadville for a high alpine 50 mile out and back plus 15 mile and 5K juniors. With seven aid stations and Leadville Trail 100 Run qualifier spots, this is a true mountain challenge.

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..

Test your trail legs at the Spring Creek Memorial Trail Run in Steamboat Springs on July 18 2026. Choose a challenging 9.5 mile loop with steep climbs and stream crossings or a rolling 5K, with proceeds supporting local nonprofits.

The Power of Four Trail Run will take place in Aspen on Saturday 18 July 2026. You can run between 10 and 50 kilometers.

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.

Summit 200 is a single loop 200 mile mountain ultramarathon from Frisco, Colorado, with sections above 12,700 feet and about 40,000 ft of elevation gain. Expect remote single track, limited aid, a 110 hour cutoff and a 75 runner cap requiri..

Take on alpine trails in Aspen Colorado with three distances 50K, marathon and heavy half, all starting at Rio Grande Park on August 1, 2026. Finishers celebrate at the Duck Derby festival with music, food and awards.

Run the Rockies Trail in Frisco, CO features 5K to half marathon routes on the scenic Frisco Peninsula with lakeshore finishes and reservoir views. Finishers receive a gift and an afterparty with food, music and beer for 21+.

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.

Run the scenic Leadville Trail 10K on August 16, 2026 in historic Leadville, Colorado, tracing the opening miles of the LT100 course at over 9,700 feet. Enjoy a fast out and back on paved and dirt roads with aid at the turnaround and awards..