Leadville
Trail Running Calendar near Leadville 2026-2027
Explore the top trail runs near Leadville for 2026-2027! We've gathered 18 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
September 2026
Experience desert style single track and forest roads with views of the Collegiate Peaks in Buena Vista. Choose between 50k or 30k distances as part of the multi sport 14er Fest.
Experience the changing aspens on a 5K trail run through Breckenridge followed by a festive Oktoberfest celebration at Blue River Plaza.
Fall trail event in Buena Vista, CO offering a 14K with over 500 feet elevation gain and a 5K through Buena Vista River Park and Vendor Village.
October 2026
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.
November 2026
Family-friendly Thanksgiving 5K in Buena Vista with a mostly flat, stroller friendly course and a free Family Fun Run for kids.
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.
May 2027
A trail race in Buena Vista on May 30, 2027 offering marathon, half-marathon and 9k distances at the South Main Town Square. The event coincides with CKS Paddlefest and donates to several local nonprofit organizations.
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
A running event in Buena Vista on July 4, 2027 offering 5K and 3K races with registration open 12/31/2026 through 05/05/2027; fee $25.
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
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.