Keystone
Trail Running Calendar near Keystone 2026-2027
Explore the top trail runs near Keystone for 2026-2027! We've gathered 15 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
September 2026
Experience the changing aspens on a 5K trail run through Breckenridge followed by a festive Oktoberfest celebration at Blue River Plaza.
October 2026
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.
Experience a 2 mile trail race featuring steep elevation changes and scenic views of the South Platte River to benefit McGraw Memorial Park in Bailey.
June 2027
A three-day high-elevation dirt festival in Alma Colorado featuring mountain bike races, off-road duathlon, trail runs, family kids races and on-site camping.
July 2027
High altitude trail races in Como and Grant, Colorado on July 9 and 10 2027, offering multiple distances including a point to point 100k and a 100 mile with qualifying rules.
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.
A single 200 mile loop around Summit County, Colorado with about 40,000 ft of climb, high alpine sections, live GPS tracking and a 109 hour cutoff.
August 2027
Mountain trail races in Winter Park, CO with 50K, 21K and 10K courses on singletrack and dirt roads, finishing in town at Hideaway Park.
A high altitude 10K in Leadville on August 15, 2027 with an out and back course, one aid station, and awards for overall and age group finishers.
Trail-focused half marathon and 5K in Fraser, Colorado, on unpaved roads and trails, with chip timing and proceeds benefiting the Shining Stars Foundation.
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.