Aspen
Trail Running Calendar near Aspen 2026-2027
Explore the top trail runs near Aspen for 2026-2027! We've gathered 12 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
September 2026
Trail ultramarathon in Crested Butte, Colorado with 35K, 55K and 50 mile routes through Gunnison National Forest and significant elevation change.
A point-to-point half marathon from Fanny Hill in Snowmass along the Government Trail to Koch Lumber Park in downtown Aspen, held each late September.
October 2026
Experience a self-supported trail race through the Gunnison National Forest with 10 and 19 mile courses starting and ending at Camp 4 Coffee in Crested Butte South.
A Halloween themed community run and walk in Aspen with a timed 5.6K, a 1 mile walk, pet-friendly elements, costume prizes, and proceeds benefiting the Aspen Animal Shelter.
Trail races in Leadville with a 6.66K bike, a 6.66K run, a nonscary 1.5K kids run, and a costume contest supporting CMC teams.
December 2026
Nighttime uphill race up Aspen Mountain to raise awareness for organ, eye, and tissue donation, with gondola and virtual options and a summit celebration.
January 2027
A Nordic ski marathon in Crested Butte on January 30, 2027 that runs through downtown alleys into the Nordic trail network, with multiple distances, a costume contest, and a weekend skiathlon.
February 2027
A Nordic ski event circling Gothic Mountain with competitive 23.5 mile and recreational 17.85 mile courses, run as a fundraiser by Crested Butte Nordic.
July 2027
An approximately 50 mile out and back mountain run near Leadville with about 8,000 feet of elevation gain and LT100 qualifier status.
Three-day stage race in Moab, Utah (July 26-28, 2027) with two distance options, Half Pint and Full Pint.
August 2027
A 100 mile out and back trail ultramarathon in Leadville, Colorado, reaching Hope Pass near 12,500 ft with aid stations, crewing and a lottery for entry.