Trail Running calendar near Leadville 2025-2026

Tackle winter trails at Staunton State Park in December with 50k, 16 mile, or 8 mile options through high meadows and granite cliffs. Enjoy alpine views, stocked aid stations, shuttle access, and a unique finisher medal.

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.

Join collegiate and junior skiers for the USCSA Cross Country Ski Racing Festival in Granby, Colorado at Snow Mountain Ranch. Two days of classic and skate racing promise fast snow, college points and gear giveaways in a lively community at..

Join the Freakin Freezin 5K in Denver on January 25 for a chilly, car free, flat trail run at Northfield High School with medals for all finishers. Choose a 5K, a no shirt option, or run virtually and score a finisher package.

Tackle the Sourdough Snowshoe Race in Nederland CO on Jan 31 2026, a donation based backcountry challenge where snowshoes are required for the full route. Choose 18K or 30K and warm up at the finish with hot drinks and a warming tent.

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.

Run high country trails in Salida on March 14, 2026 at the Run Through Time, with marathon, half, 2 mile and kids races over scenic single track at 7,000 to 9,000 feet. Small fields, custom socks and a warm post race meal await.

Race The Ranch in Granby, Colorado invites snowshoers to tackle scenic looped courses at Snow Mountain Ranch across 5k, 25k, and 50k distances. Finishers earn a custom beanie and engraved camp mug in this supported winter adventure.

Challenge yourself on scenic dirt singletrack and bike path near Highlands Ranch at Mountain Ridge Trail Race. Choose from 21 mile, half marathon, 10K or 5K routes that climb foothill terrain with aid stations and a school start and finish.

Run scenic dirt trails with views of Pikes Peak at the Greenland Trail Races on May 2, 2026, featuring 50K, 25K, 8 mile and 4 mile options. All finishers get a technical shirt and medal and 50K finishers earn a commemorative buckle.

Niwot's Challenge in Sedalia on May 2, 2026 is invitation and acceptance only, not a race, testing rugged off trail navigation and self sufficiency across punishing loops with massive elevation gain. Traditional entries rely on map and comp..

Take on the Collegiate Peaks Trail Run in Buena Vista, Colorado on May 2, 2026, a rugged mountain course along the Arkansas River. Choose 25 miles or 50 miles and tackle big elevation changes on scenic single track and jeep trails.

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 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.

Take on the North Fork 50 Mile or 50K trail ultramarathon on scenic singletrack in Buffalo Creek, Colorado, with mountain views and ponderosa forest. Celebrate at a lively post race festival and support the North Fork Volunteer Fire Departm..

Experience alpine single track, meadows and aspen groves at Granby Ranch on June 6, 2026, with options from a 50k, marathon and half to a 6 mile or the looped Elevation Challenge. Expect big climbs, stunning views, aid stations and a spirit..

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.

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 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.

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.