Trail Running calendar near New Castle 2025-2026

Ski around Gothic Mountain at the Gothic Mountain Tour in Crested Butte on Feb 15, 2026. Choose a 23.5 mile competitive or 17.85 mile recreational course and support Crested Butte Nordic in this intimate 200 person fundraiser.

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 ultrarun in Mack Colorado over five scenic off pavement loops that form a roughly 55 mile circuit. Enter crewed or uncrewed, aim for four full Journeys to finish and vie for prizes including lifetime entry for t..

Adventure Fest in Fruita CO on May 9 and 10, 2026 is a two day outdoor celebration of trail and gravel racing, clinics, guided canyoneering, kids races and lively evening events. Camp at the trailhead and enjoy post race bonfires and commun..

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..

Tackle scenic single track on the slopes of Mt Sopris near Carbondale, Colorado with point to point 10 mile and 25k races finishing at Rock Bottom Ranch in Basalt. Expect steep climbs, flowing descents and lively trail festival energy.

Join Pyro's Push It Up River Trail Run on Memorial Day in New Castle for a scenic riverside challenge that honors a fallen hero. Choose a family friendly 3.5 km or a hill testing 7.7 km onsite or run virtually from anywhere.

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..

Grin & Bear It is an annual Crested Butte trail event featuring a challenging 25 km loop, a 15 km out and back, and a mountain bike route through high alpine terrain and big climbs. Registration opens December 1, 2025.

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..

Run the trails atop Colorado's Grand Mesa on July 25, 2026 with distances from 30K to 50 miles. Revel in alpine meadows, lakes and technical singletrack, then relax with weekend camping, post race food, beer and finisher awards.

The Summit 200 is a 200 mile loop around Summit County Colorado that climbs into high alpine single track above 12,700 feet. Capped at 100 runners and requiring a prior 100 mile finish, it is a remote, high altitude test of endurance.

Take on the Aspen Backcountry on August 1 in Rio Grande Park with three distances from a 50K to a hearty half marathon over rugged alpine trails and big elevation gain. Celebrate at the finish festival with live music, food trucks and famil..

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.

Take on the iconic Leadville Trail 100 Run, a 100 mile ultramarathon through the Colorado Rockies that climbs to Hope Pass and delivers breathtaking high altitude views. A true test of endurance and grit.

Run high country trails above Steamboat Springs at the Continental Divide Trail Run on August 29, 2026. Choose 50K, 16 Miler, or 5 Miler for stunning Yampa Valley vistas and challenging alpine climbs.

Run 40 miles across the Elk Mountains from Crested Butte to Aspen along the Grand Traverse route with more than 6,000 feet of climbing. A fundraising point to point ultramarathon with aid stations and a post race shuttle.

Run Rabbit Run in Steamboat Springs, Colorado offers epic 50 mile and 100 mile trail races across high alpine peaks and the Continental Divide. Limited fields, a spirited team challenge and strong charity support make this a must do fall ul..