Explore the best trail runs in the United States for 2026-2027! Our updated list features 4108 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
A low-key evening trail race series in Forest Park with three five-race Series from April to October, featuring hilly courses of about 4 to 7 miles. Series standings require at least four races and the event benefits the Forest Park Conserv..
The Summit Trail Running Series will take place in Frisco on Wednesday 12 August 2026.
A 5K trail race on the Flag Rock Area Trails in Norton presented as part of the High Knob Outdoor Fest. Registration is $20 until Aug. 11 and $25 on race day; awards go to the top three men and women and all runners receive a festival T-shi..
The 9th annual Junkyard Dash 5K in Moorhead, MN is a measured 5K run/walk along city streets and the Red River with chip timing, a race shirt, brewery glass and a free beer; the event is handicap friendly and includes prize drawings.
Bigfoot 200 is a point to point 200 mile endurance run near Mount St. Helens, featuring volcanic terrain, ridge lines, old growth forests and numerous stream crossings. The course is supported by 13 aid stations including six sleep stations..
A 20 mile single track trail run along the southwestern side of Mount St. Helens starting at Marble Mountain Sno Park. The course crosses lava fields, streams, and old growth forest and has a 9 hour cutoff on National Forest lands.
A nine mile trail run at Kohler-Andrae State Park featuring beach, marsh and boardwalk sections, one midcourse aid station, post-run snacks, and awards for top finishers.
An overnight time based trail running event on Casper Mountain in August 2026 with 4 hour and 12 hour solo options and a 12 hour 4 person relay on forested trails near the Nordic stadium.
A loop-based Last Man Standing race in Inkom, Idaho, run on a 1.1 mile trail with about 240 ft of climb per loop. Runners must complete each loop within 20 minutes and are eliminated until one remains.
A high-mountain 100 mile ultramarathon north of Durango, Colorado, with about 19,000 ft of climbing and a 38 hour cutoff. The 2026 race is sold out; satellite tracking and specific mandatory gear are required.
A multi day timed trail event on a Winchendon farm using a roughly two mile loop. Runners choose from six hour day or night, 12 hour, 24 hour, or 48 hour formats under the Sturgeon Moon.
A Spartan Trifecta weekend at Dillingham Ranch on Oahu's North Shore featuring Sprint, Super, Beast, Ultra and kids races across coastal trails, ridgelines and fields. Teams can lock shared start times and service members may receive up to..
A timed endurance event at Lincoln Park on August 15, 2026, featuring a repeated two mile loop with 18, 12, 6, and 3 hour formats, team competition, and Kids Loopy Races. The race is cupless and supports on-course snacks and food options.
A mid-August trail running weekend in Grandview, Tennessee with looped races from one hour to 24 hours, free tent camping and a glamping auction; proceeds support Flying Pigs Sanctuary.