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Trail Running Calendar United States 2026-2027

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Explore the best trail runs in the United States for 2026-2027! Our updated list features 3984 exciting trail runs across the country. Find your next trail run in the United States below and join the trail community at these great events!

June 2027
Test your limits at Elijah Bristow State Park with 6, 12, or 24 hour timed challenges on a flat one mile trail loop.
Family friendly mud run with obstacles, slides, and waist deep mud pits at Georgia International Horse Park on June 5, 2027.
Gather a team for an 82 mile relay from St. Louis to Hermann featuring the scenic Katy Trail and Missouri wine country.
A community 5K and 1 mile run/walk at Monroe Central Jr.-Sr. High School in Parker City supporting the athletic training program and scholarships.
A community trail event on June 5, 2027 at Restoration in Woodleaf NC offering a timed 5K, a kids one mile run and an untimed 5K walk.
The Wiener Run in Tulsa on June 5, 2027 offers in-person races and a virtual option at Turkey Mountain Park, with distances from a 50 m kids dash to 13.1 miles.
Two-day trail running weekend near Lake Chelan with a 1 mile kids race, 10K, half and 50K on single-loop forest trails plus on-site camping.
Backyard ultra at Trenton Fish and Game Club in Holland Patent NY with a 3 1/3 mile loop every hour, continuing until one runner remains or 30 hours.
Non-profit Ninja Warrior style obstacle event at Gloucester County Fairgrounds on June 5, 2027 with twelve obstacles in three tier levels and proceeds supporting clean water projects.
OUTLAST Raleigh is a six hour trail challenge on a 5K loop each hour; complete six laps to earn the OUTLAST medal, leaderboard ranking, and event awards.
A six hour trail challenge in Shreveport where runners complete a 5K every hour, earning patches or a medal for 4, 5, or all 6 laps.
Tropical-themed races in Del Valle, TX on 06/05/2027 with Kids Dash, 1 Mile, chip timed 5K and 10K, volunteer run 5K and a virtual option.
Triathlon, duathlon and running events at Lake Wilderness Park featuring lake swims, rolling bike routes and trails along the Cedar River.
Timed trail festival in Maryville College Woods offering 24, 12 and 6 hour events, relays, night options, chip timing, and a 2.2 mile loop with on loop aid.
A looped trail event at Buescher State Park offering 57K to 5K options, two full aid stations, cupless aid, a 400 runner cap, and shuttle parking from Rocky Hill Ranch.
Trail races at Giant City State Park on the Red Cedar Trail with 5K, half, marathon and 50-mile options, marked single-track courses, aid stations, swag, and finisher medals.
A 12-hour backyard ultramarathon of hourly 4.167 mile loops totaling 50 miles, with chip timing, hourly eliminations, and a $500 prize for lowest cumulative time.
Trail half marathon in Sky Valley, Georgia on June 6, 2027, organized by Run the Cohuttas; grassroots format with clock times only and cash day of registration.
A mountain race and 5k at Plattekill in Roxbury, NY on June 6, 2027, featuring a 6.5 mile course with 3500 ft climb and a steep 5k option.
Trail marathon relay and 8K in Griffith Park on June 6, 2027, featuring a true loop course, aid stations, festival atmosphere, chip timing and awards.
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