Trail Running calendar near Evergreen 2025-2026

Run the Summits Trail Runs at Granby Ranch Resort in Granby, Colorado on June 6, 2026. Choose distances from 6 miles to a 12 hour Elevation Challenge across scenic single track, alpine meadows and big climbs.

The Great Divide Ultra in Mueller State Park, Divide Colorado on June 6 and 7, 2026 offers 25k to 100 mile courses and a Saturday night trail run at sunset. Enjoy rolling meadows, granite views and a true mountain ultra festival atmosphere.

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..

Take on the Crazy Legs 10k trail run through the scenic Devil's Backbone Open Space in Loveland on June 7, 2026. Limited spots, marked trails, and a post race celebration at Loveland Aleworks make this a fun mountain running day.

Looped dirt trails around Barr Lake at Barr Lake State Park in Brighton CO on June 13, 2026, offer distances from 5K to 50K with stunning lake and Front Range views. Aid stations and time limits keep every course supported and race ready.

Ring the Springs offers 35K, 50K and 100K trail distances through Garden of the Gods and Pike National Forest, starting at Rock Ledge Ranch. Expect big climbs, varied terrain, aid stations and stunning mountain views.

Run scenic trails at Lory State Park with sweeping views of Horsetooth Reservoir and the foothills. Choose from 10 mile, 5 mile or 5K courses at a USATF sanctioned, 100% plant based event with aid stations and medals.

Race in the Clouds at Alma Cemetery Meadow is a high country weekend of mountain bike, trail and off road duathlon racing at 10,600 feet. Multiple distances, youth events and on site camping create a true alpine festival vibe.

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.

Explore alpine single track at the Silverheels Trail Runs in Como, Colorado on July 10 and 11, 2026, with distances from 10 miles to 100 miles. Limited entries, stunning mountain views, and a buckle for 100 mile finishers.

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.

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.

Take on the Barr Trail Mountain Race in Manitou Springs, Colorado, a rugged 12.6 miles up to Barr Camp on Pikes Peak terrain and back to the trailhead. Part of the Garden to Peak Challenge, this summer favorite fills fast so register early.

Run three unforgettable stages across the Continental Divide near Leadville, Colorado, with epic fourteener views and campsite camaraderie each night. Choose the 51 mile Full Pint or 35 mile Half Pint, with limited entry for 500 runners.

Pikes Peak Ultra on July 25, 2026 in Colorado Springs offers 20K, 30K, 50K and 50 mile options across scenic trails with big climbs and summit views of Pikes Peak and Mt Rosa. All finishers get a custom shirt, BOCO trucker hat and medal.

The Summit 200 is a 200 mile loop from Frisco, Colorado, over high alpine trails and forest roads with nearly 40,000 feet of ascent. Limited to 100 runners and with remote aid, this epic self reliant race has a 110 hour cutoff.

Join the Wild West Relay, a scenic point to point 200 miles across Colorado from Fort Collins to Steamboat Springs. Run solo or with teams from 1 up to 12 people as you tackle mountain passes, open roads and big western views.

Tackle high alpine trails at Sheep Mountain Trail Runs in Fairplay, Colorado on August 1, 2026, with options for a half marathon, 50k, or 50 mile. Expect rocky county and forest roads, aid stations, big views, and a supportive festival vibe..

Run the Lory Summer Trail Series in August at Lory State Park: four midweek trail races from 5K to 12K with scenic climbs and friendly competition. Stay after each race for pizza, drinks and a free vintage shirt, plus series awards.