United States
- Alabama 46
- Alaska 17
- Arizona 99
- Arkansas 27
- California 341
- Colorado 132
- Connecticut 46
- Delaware 8
- District of Columbia 11
- Florida 138
- Georgia 106
- Hawaii 3
- Idaho 23
- Illinois 85
- Indiana 59
- Iowa 41
- Kansas 35
- Kentucky 42
- Louisiana 29
- Maine 32
- Maryland 60
- Massachusetts 50
- Michigan 109
- Minnesota 53
- Mississippi 16
- Missouri 69
- Montana 32
- Nebraska 18
- Nevada 31
- New Hampshire 43
- New Jersey 53
- New Mexico 28
- New York 154
- North Carolina 124
- North Dakota 1
- Ohio 108
- Oklahoma 28
- Oregon 68
- Pennsylvania 178
- Puerto Rico
- Rhode Island 11
- South Carolina 54
- South Dakota 12
- Tennessee 68
- Texas 180
- Utah 81
- Vermont 31
- Virginia 147
- Washington 108
- West Virginia 25
- Wisconsin 71
- Wyoming 12
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 3840 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
Trail races of 5 km and 10 km across Gunstock Ranchs 900 acre property with views of the Koʻolau mountains and the protected Hawaii Legacy Forest.
A community 5K trail race and 1 mile fun run at Tamaqua Area High School with shirts, awards for 5K finishers, and proceeds funding a memorial scholarship.
A community event at Assateague State Park offering a 2 mile walk or 5K run to support the Macky & Pam Stansell House of Coastal Hospice.
A 10 hour looped trail event in Cape Girardeau offering a 50K maximum and a 5K option, with entry fees donated to charity.
Timed loop event at Osprey Park in Sultan, WA offering 3 hours or 6 hours on a 1.06 mi dirt single track loop along the Sultan River.
A 10 mile race at Fort Huachuca on October 17, 2026, offering individual and team entries, commemorative T-shirts, and top-three recognition in each category.
Lord of the Hill in Monroe WA on October 17, 2026 is a Last Person Standing race of repeated 0.8 mile loops with progressively shorter lap times until one winner remains.
Trail 5K and 10K runs and walks through Swallow Cliff Woods in Palos Park with gravel trails, notable elevation, reusable race cups and shirt options.
Scenic road and trail running in Prince William Forest Park with 5K, 10K, half marathon and virtual options for runners and walkers.
A technical trail event in Harriman State Park offering 13.1M and 10K on rugged singletrack with steep climbs, limited to 175 participants.
Trail races in Upper Bidwell Park featuring a 13.1 mile half marathon and a 4 mile hourly endurance challenge with creek crossings, single track trails, aid stations, bag check, bike valet, and reusable cup provision.
Trail and road events in Wellsville NY on October 18 2026 feature distances from 2 miles to 25 kilometers plus a virtual Home Edition. Courses include forest trails, steep climbs, aid stations and bus shuttles to trailheads.
A trail event at Hahamongna Watershed Park offering 5K, 10K and a half marathon with marked courses, chip timing, aid stations and commemorative wooden medals.
A trail event on October 18, 2026 in Letchworth State Park covering about 20.5 miles for both runners and hikers, with two aid stations, elapsed-time cutoffs, a shuttle to the start, participant caps, and post-event food and finisher shirts for early..
Trail marathon and 12 mile races at Fort Mountain State Park on October 18, 2026, featuring roughly 5,500 feet of climbing across single track, rocky and mixed use trails and a summit stone wall with fall mountain views.
Dirt Circus Dallas in Flower Mound, TX on October 18, 2026 features a community 5K, an expo with vendors, and a raffle alongside local running partners.
Four fall trail races across Colorado Springs parks, chip timed, with a branded buff included and series awards for runners who complete all four events.
Experience the scenic singletrack trails of Lake Fairfax Park with 5 mile and 10 mile race options. Enjoy a community atmosphere with post race breakfast and a dedicated program for children.
Two marked trail distances start and finish at Smith Mountain Lake State Park Beach Pavilion. Courses feature lake views, aid stations, GPX files, included park entry, and facilities near the start and finish.
A 5K trail run at Shawnee Lookout Park that follows the Blue Jacket and Little Turtle loops, begins and ends at the Waterhole Meadow Shelter, and serves as the final Dirt Days Trail Series event with series points available.