Trail Running calendar near Nathrop 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.

Stories Trail Runs at Cheyenne Mountain State Park on Feb 21 and 22, 2026 offers multi loop trail racing with timed 6 and 15 hour ultras plus 10k to 20 mile courses. Two day passes and on site camping make it a scenic weekend of challenge a..

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..

Run Palmer Park's singletrack at the Rattler Trail Race on April 18, 2026, with 50K, 25K, 10K and 5K options. Enjoy technical trails, sandstone bluffs and sweeping views of Colorado Springs and distant Pikes Peak on a low elevation gain cou..

Run the rim at Royal Gorge Groove in Cañon City, Colorado, with distances from a 5K to a rugged 50K. Enjoy technical trails, sweeping Arkansas River views, live chip timing, and an energetic resort atmosphere.

May 2, 2026: Greenland Trail Races at Greenland Open Space in Larkspur offer distances from 4 miles to 50K plus a virtual option. Scenic dirt trails with Pikes Peak views, aid stations, tech shirts, medals, and a 50K buckle.

Niwot's Challenge is a by invitation only endurance event near Sedalia, Colorado that prizes off trail navigation and self reliance over racing. Limited to 40 entrants, it offers routes up to 100 miles for experienced wilderness runners.

Run among iconic red rock formations with sweeping views of Pikes Peak at Take 5 in the Garden on May 2, 2026 in Garden of the Gods, Colorado Springs. Road and trail races range from a 5K to 9.5 miles and the park will be closed to vehicles..

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.

Valkyrie Trail Race is a women focused spring trail festival at Cheyenne Mountain State Park near southern Colorado Springs, with multiple distances from 4 miles to 50K. Expect climbs, singletrack and technical rocky descents for a scenic,..

Ram Party Trail Runs brings scenic mountain trails around Rampart Reservoir to Buffalo Lodge in Colorado Springs, with distances from 15K to 55 mile for every kind of runner. Expect high country climbs, aid stations, and finisher awards.

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.

Run the North Fork 50 Mile or 50K on scenic singletrack around Buffalo Creek, Colorado. Choose your distance, enjoy aid stations and a festive finish, and support the North Fork Volunteer Fire Department.

Explore high alpine loops at Mueller State Park on June 6 and 7 for the Great Divide Ultra, with distances from 25k to 100 mile and night run options for 25k and 50k. Scenic views, supportive aid, and standout finish swag await.

Join Aiden's Adventure 5k at Fountain Creek Regional Park for a relaxed, family friendly trail fun run with a virtual option and a kids mile. Enjoy crafts, a butterfly release, food trucks and community vibes while supporting local charitie..

Mace's Hideout 100/50 offers 100 and 50 mile ultramarathon routes across Colorado's Wet Mountains. Traverse forests, alpine meadows and dry foothills with sweeping peaks, dark skies and a touch of outlaw lore.

Experience classic Colorado singletrack in Garden of the Gods and Pike National Forest on June 20, 2026 with 100K, 50K and 35K options. Expect big climbs, stunning views and full aid station support.

Race in the Clouds Alma Dirt Festival runs June 25 to 28, 2026 in Alma, Colorado at 10,600 ft. Mountain biking, trail runs, an off road duathlon, youth races and meadow camping offer high country climbs and single track thrills.

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.