Explore the best trail runs in the United States for 2026-2027! Our updated list features 4034 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
An untimed adventure run in the Loess Hills at Glenwood Lake Park on September 5, 2026, featuring switchback trails, wooded sections, creek crossings and natural obstacles. Finishers receive a "Conqueror of the Loess" medallion.
An ultramarathon along the Pinellas Trail covering just over 46 miles in an out and back format between St. Petersburg, Tarpon Springs and Dunedin. Registration closes Sep 2 and a Facebook group is listed for updates.
A women only back yard ultra on a 4.167 mile loop run every hour on the hour in Phoenix NY. Forest trails, open field sections and night running combine with common ultra distance milestones and proceeds benefiting local women's shelters.
A four-part community trail series with three morning gatherings and a final sunset event in Marietta and Lancaster County. Participants choose their own distance, share food and hydration, and may register per event or buy a multi event pa..
A six hour trail endurance event where runners complete a 5K every hour to remain in competition, with patches and a premium medal for finishers, local prizes, and national leaderboard placement.
A community running event in Norwalk on September 5, 2026, held as the Higashi Roman Memorial Run and reflecting Cerritos's Dairy Valley history. Organized by Cerritos High School alumni, it offers in-person and virtual 3 mile options.
Backyard ultra at Lake Rebecca on September 5, 2026 in Rockford, MN. Runners complete 4.167 miles each hour and continue until they can no longer finish a loop; sauna and swim options are available after running.
A 5K trail loop at Rolling Meadows Farm on September 5, 2026, running along the Sangamon River and near the historic Sangamo Town site. Registration runs from June 9 to August 23, with a $35 fee.
The Long Watch is a 6 hour, 12 hour and 24 hour loop endurance event at Donald Farm in Woodland, Washington, held alongside the Warrior Expo, with a manned aid station and a one mile loop past competition and vendor areas.
Timed 3, 6, and 12 hour races on the flat Thermal Belt Rail Trail in Forest City, NC with aid stations, on site medical support, relay options, and a 50 mile buckle for those finishing 50 miles within 12 hours.
A 50K trail race in the Wilcox Lake Wild Forest near Stony Creek NY, featuring a lollipop route, about 3028 feet of elevation gain, on-course aid and water filtering. Entry requires prior experience, waitlist review and a 10.5 hour limit.