Trail Running calendar near Gunnison 2025-2026

Explore Gothic Mountain in Crested Butte on a 23.5 mile competitive or 17.85 mile recreational Nordic ski loop, raising funds for Crested Butte Nordic. Capped at 200, avalanche gear and a Colorado SAR card or hunting license are required.

Run the 21st Run Through Time in Salida, Colorado on scenic Arkansas Hills trails with marathon, half marathon, 2 Mile and kids races at high elevation. Finishers get custom socks and a light meal while proceeds support local trail and resc..

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.

Join the Spirit Trail Race in Buena Vista on May 24, 2026 for marathon, half marathon or 9K during Memorial Day weekend and CKS Paddlefest. Scenic start at South Main Town Square and proceeds support local conservation and community groups.

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.

San Juan Solstice 50 Mile Run is an ultramarathon scheduled for June 20, 2026. The event features a 50-mile course, with a dedicated course info page and an alternate course option, underscoring a challenging yet community-focused atmospher..

The Race in the Clouds - Alma Dirt Festival will take place in Alma from Thursday 25 June 2026 to Sunday 28 June 2026. You can run between 10 and 13 miles.

The John Cappis is a challenging endurance peakbagging event held near Silverton, Colorado, featuring a roughly 50k course with about 19,000 feet of elevation gain. Participants summit multiple peaks in the rugged San Juan Mountains, naviga..

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 Trail Running Retreat in Buena Vista Colorado, July 9 to 12, 2026 offers guided trail outings of 10 to 20 miles and a possible group ascent of Hope Pass. Expect coaching, shared meals, and stunning mountain views.

Tackle high alpine trails above 10,000 ft at the Silverheels Trail Runs in Como, Colorado, July 10 to 11, 2026. Choose distances from the 100 Mile ultra to shorter options and run single track, fire roads and scenic historic mining country.

Hardrock Hundred is a legendary 100 mile ultramarathon through the high San Juan Mountains near Silverton, Ouray and Telluride. Rugged trails, 4WD roads and high alpine terrain deliver a brutal yet breathtaking test of mountain endurance.

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.

Tackle the Ouray 100 Mile Endurance Run, a rugged 100 mile mountain trail in Colorado featuring massive elevation gain and 14 big climbs. Live tracking keeps fans connected as runners race toward a 52 hour cutoff.

High Lonesome 100 is a rugged 100 mile mountain loop in Colorado, crossing five alpine passes and sections of the Continental Divide and Colorado Trail. Mid July racing delivers big climbs, sweeping alpine views, and a true endurance test.

High country trail races in Silverton, Colorado on July 18, 2026, offering 50K, marathon and 8 mile options through alpine jeep roads and historic mining towns. Expect big altitude, stunning views and well stocked aid stations.

Run a three day stage race across the Continental Divide from Hope Pass to Red Cliff in the Colorado Rockies. Fully supported camps with live bands, mobile showers and on site massage, plus a capped field of 500, make this a high alpine adv..

Test your legs on the historic Kendall Mountain Run in Silverton with 12 mile and 11 kilometer options that climb into alpine terrain and summit near 13,060 feet. Expect steep climbs, sweeping views, and a true high altitude challenge.

Creede 100 returns to Creede on July 25 to 26, 2026, offering a spectacular mountain trail challenge for adventurous runners. Organized by Tempest Adventures under a USDA Forest Service permit, the event promises well supported racing throu..