Trail Running calendar near New Castle 2025-2026

Take on the Summit for Life in Aspen on December 6, 2025 with options to race uphill, ride the scenic gondola, or join virtually. Celebrate afterward at the Sundeck with food, live music and awards.

Circle Gothic Mountain in this scenic nordic ski tour in Crested Butte with two course options and a festive finish at Magic Meadows Yurt. Proceeds benefit Crested Butte Nordic.

The Desert Rats Trail Running Festival will take place in Fruita from Friday 10 April 2026 to Sunday 12 April 2026. You can run between 9 and 100 kilometers.

The Pilgrimage is a 150 hour ultra in Colorado's high desert where runners repeat five off road routes about 55 miles per circuit. Only 45 spots and crewed or uncrewed divisions share a single home base with basic support.

Adventure Fest at 18 Road in Fruita CO on May 9 to 10, 2026 is a weekend of mountain bike, gravel and trail running action with camping and a lively community vibe. Bring the crew for clinics, kids races, guided trips and evening awards.

Enjoy the Fruita Trail Half, a 13.8 mile singletrack loop in the North Fruita Desert with nearly 1,000 feet of climbing, switchbacks and striking butte views. Part of Adventure Fest, it starts and finishes at the same scenic trailhead.

Join Pyro's Push It Up River Trail Run on Memorial Day in New Castle to honor a fallen hero. Choose a family friendly 3.5 km riverside route or a scenic 7.7 km trail with climbs, wooded sections and river views.

Run high alpine trails above Leadville, Colorado on June 27, 2026, with a rugged marathon and a shorter Heavy Half reaching Mosquito Pass at 13,185 feet. Expect old mining roads, stunning mountain views and a true high country challenge.

Run or bike alpine singletrack to Green Lake at Grin & Bear It in Crested Butte on July 11, 2026. Choose loop or out and back distances that climb above 10,000 feet for huge views and a fast descent to town.

The Silver Rush 50 will take place in Leadville from Saturday 11 July 2026 to Monday 13 July 2026. You can run between 5 and 48 miles.

Take on the Summit 200, a breathtaking 200 mile loop around Summit County, Colorado that climbs above 12,700 feet and delivers about 40,000 feet of gain. Expect remote high altitude single track, sparse aid and an epic endurance challenge.

Run the Aspen Backcountry on August 1, 2026, a rugged trail race from Rio Grande Park that climbs into high alpine terrain. Choose from marathon, 50K or heavy half courses and enjoy scenic singletrack, remote aid and festival vibes.

Run the Rockies Trail in Frisco, Colorado offers 5k, 10k and half marathon on scenic single track and dirt trails. Take in views of Dillon Reservoir and the Ten Mile Range with a lakeshore finish to cheer your arrival.

Two days of singletrack adventure in Steamboat Springs featuring mountain bike and trail runs through meadows and aspen with big climbs. Proceeds benefit local nonprofits and racers get aid stations and a lively finish.

The Leadville Trail 100 Mile Run will take place in Leadville on Saturday 22 August 2026. You can run 100 miles.

Epic point to point ultramarathon from Mt Crested Butte to Aspen across the Elk Mountains. Tackle 40 miles and over 6,000 feet of climbing on high alpine terrain while supporting Crested Butte Nordic.

Run Rabbit Run is a Steamboat Springs, Colorado trail ultramarathon on Sept 18 and 19, 2026 offering 50 mile and 100 mile courses with major alpine climbs. The race raises funds for northern Colorado charities.

Crested Butte Ultra offers high alpine single track racing in Colorado with 50 Mile, 55K and 35K options through Gunnison National Forest. Expect sweeping mountain ridge views, cupless aid stations, custom swag and a finisher buckle.

Run through slickrock, singletrack and rolling hills at Hartman Rocks near Black Canyon National Park. Choose the 50K or 15K and enjoy sweeping mountain views, a finisher medal and a BOCO Gear trucker hat.