United States
- Alabama 56
- Alaska 15
- Arizona 109
- Arkansas 44
- California 355
- Colorado 131
- Connecticut 39
- Delaware 16
- District of Columbia 14
- Florida 175
- Georgia 97
- Hawaii 9
- Idaho 12
- Illinois 69
- Indiana 71
- Iowa 31
- Kansas 35
- Kentucky 71
- Louisiana 32
- Maine 26
- Maryland 72
- Massachusetts 55
- Michigan 112
- Minnesota 48
- Mississippi 15
- Missouri 64
- Montana 37
- Nebraska 26
- Nevada 28
- New Hampshire 29
- New Jersey 74
- New Mexico 27
- New York 139
- North Carolina 166
- North Dakota 2
- Ohio 94
- Oklahoma 46
- Oregon 81
- Pennsylvania 175
- Puerto Rico
- Rhode Island 8
- South Carolina 68
- South Dakota 7
- Tennessee 72
- Texas 243
- Utah 70
- Vermont 22
- Virginia 141
- Washington 131
- West Virginia 31
- Wisconsin 69
- Wyoming 7
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 4035 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!
October 2026
A 50K GUTS members only run in Kennesaw, GA with five ~10K loops, mandatory pumpkins for participants, cupless aid station, and canned food collection.
Two-day trail event at Castlewood State Park with 10K, half marathon and 30K options, race challenges, custom tech shirt and finisher mug.
A 5K along the Virginia Capital Trail in Rocketts Landing, VA on October 31, 2026, with in-person and virtual entry options and views of the James River.
A 24 hour run and mountain bike event at Mt. Kessler with solo and team run, ride, and run/ride categories; proceeds support local trail preservation.
A 1 mile and 5K run on the park setting of Windwood Presbyterian Church in Houston, with finisher medals and a rain or shine policy.
Trail running event on October 31, 2026 at the Greenbush trail system near Glenbeulah, WI. Choose a 5K one loop or a 10K two loop course; chip timing is provided and a park sticker or daily pass is required.
A community costumed 5K trail run and walk at Van Scott Nature Reserve on October 31, 2026, with in-person and virtual options, a costume contest, and family activities.
Approximate 5K trail fun run at Shepard State Park on October 31, 2026 to raise funds for local cancer patients; unpaved course, not timed, shirt and medal included.
Trail event at Sleepy Hollow State Park offering a single 4.167 mile loop and a 12 hour Back Yard Ultra with chip timing, recorded laps, and event apparel.
Sixth annual RutFest is a 36 hour community trail festival in Williston, VT with repeating 3 and 4 mile loops, donation based entry, and proceeds split between Catamount and Migrant Justice.
A backyard ultra at Shawan Downs where runners repeat a 4.1667 mile loop each hour until one runner completes a lap alone and is declared the sole finisher.
A scenic 5k and 10k at Burke Lake Park with in person and virtual options, chip timing, race day packet pickup, and fundraising for The Brain Foundation.
Trail races at Cane Creek Park in Waxhaw on October 31, 2026 offering 4M, 8M, 25K and 50K with one entry price, aid stations and a postrace cookout.
Halloween morning trail event in Swan Valley, Idaho offering 50K and half marathon distances with notable elevation gain and a theme drawn from local folklore.
A short 2.5 mile community trail run at Thorne Head Preserve in Bath with river views, limited to 150 runners; proceeds support the Kennebec Estuary Land Trust.
A costumed 5K trail run at the Wells Reserve at Laudholm on October 31, 2026 supporting coastal research, with timed results, water stations, awards, and a limited shirt.
Family-friendly Halloween 5K and untimed 1-mile at The Bates Motel in Glen Mills with costumes, a costume contest, and proceeds benefiting the local fire company.
A Halloween event in Philippi WV offering a rugged 5K with trail obstacles and a separate 1 mile fun run. Runners use flag belts while actors portray zombies along parts of the trail.
Halloween-themed running event at the Epic trail in Grand Prairie on October 31, 2026, with a 5K, a 1 mile fun run, and a volunteer then run option awarding a costume prize.
Outlast Cleveland is a 6 hour trail endurance challenge in Garrettsville, OH where runners complete a 5K every hour for six rounds. Finish all six to earn the OUTLAST medal and a place on the national leaderboard.