Explore the best trail runs in the United States for 2026-2027! Our updated list features 4039 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
A 100 mile endurance race through Washingtons Cascade Mountains centered in Easton, with forested and rugged trails and a long-standing volunteer and radio operator community. Finishers under 32 hours may qualify for a Western States lotter..
A 100 mile mountain ultramarathon in Ouray, Colorado on July 17, 2026, featuring about 41,862 feet of elevation gain and fourteen climbs. Entrants must complete eight hours of volunteer service or pay a $100 opt out fee and winners face dru..
A team-focused 5K cross country race behind the Carterville Community Center on July 17, 2026, with grass, gravel, and paved sections. Teams compete by standard XC scoring and medals and team awards are presented.
A repeat-loop endurance event at Lowell Park in Dixon, IL offering 6, 12 and 24 hour options on a 0.411 mile paved loop. Self supported with space for personal aid stations, water provided, and a three person relay option.
A 100 mile loop through Colorado's Sawatch Range, the High Lonesome 100 covers about 23,300 feet of climb, includes 27 miles of the Continental Divide Trail and 35 miles of the Colorado Trail, and provides detailed maps and aid stations.
A three day, 10 person team relay through Michigan landscapes held July 17 to July 19, 2026. Founded in 1992, the event supports Michigan Special Olympics and lists 86 teams for 2026.
Two 3 mile cross country races in July organized by Hanson's Running Shop at Stony Creek Metropark and River Bends Park. A single $10 fee covers both events, with results posted and first place awards by age group after each race.
A two day Spartan obstacle event at Cannonsburg Ski Area near Grand Rapids featuring Sprint 5 km with 20 obstacles, Super 10 km with 25 obstacles and a kids race. Courses run across steep climbs, water crossings, trails and sand pits.
A Last Person Standing backyard ultra in Holly, Michigan, run on a repeating 4.167-mile trail loop that becomes a night road loop. Crew is allowed, water is provided, and on-site prizes include a champion's jacket and next-year entry.
An elimination endurance race in northeastern Utah where runners repeat 4.1 mile laps each hour and are removed if they fail to complete a lap or start the next one. The last runner earns 50 USD per lap completed.
A backcountry footrace of about 23 miles from above Girdwood to the Eagle River Nature Center on July 18, 2026. The unmarked, technical route includes snowfields, a cold river crossing, and possible wildlife encounters.
A 30K trail race at Green Swamp West Tract near Dade City, FL, featuring varied Florida terrain, aid stations every 3 to 5 miles, a Berm drop bag location, finisher glassware awards, and a post-race potluck.
A three day 120 miles trail running event near Buena Vista Colorado using charity bibs that require a minimum $2,000 fundraising commitment. Successful fundraisers receive a registration code and donations are final and distributed in Decem..