Aspen
Trail Running Calendar near Aspen 2026-2027
Explore the top trail runs near Aspen for 2026-2027! We've gathered 11 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
September 2026
A 40 mile point to point ultramarathon from Crested Butte to Aspen with 6,000 feet of climbing, mandatory backcountry gear, aid stations, and shuttle support.
A mountain ultramarathon in Crested Butte, Colorado on September 26, 2026, offered in 35K, 55K and 50 mile distances. Courses run through Gunnison National Forest with single track trails, alpine meadows, cupless aid stations, and on course water dis..
A half marathon from Fanny Hill in Snowmass along the Government Trail through aspen groves to Koch Lumber Park in downtown Aspen.
Halloween themed, dog-friendly 5.6K run and 1 mile walk at Koch Park with costume prizes, timed results with cash awards, and proceeds benefiting the Aspen animal shelter.
December 2026
Nighttime uphill race on Aspen Mountain with a 3,267 foot ascent, fundraising for organ, eye, and tissue donation, plus dinner, music, and awards.
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
Three day stage race offering Half Pint and Full Pint options July 26 to 28 2027 across three stages with published race guide and support services.