United States
- Alabama 58
- Alaska 15
- Arizona 106
- Arkansas 43
- California 351
- Colorado 133
- Connecticut 41
- Delaware 15
- District of Columbia 14
- Florida 174
- Georgia 92
- Hawaii 9
- Idaho 13
- Illinois 67
- Indiana 65
- Iowa 27
- Kansas 33
- Kentucky 69
- Louisiana 32
- Maine 22
- Maryland 69
- Massachusetts 50
- Michigan 100
- Minnesota 44
- Mississippi 14
- Missouri 63
- Montana 40
- Nebraska 24
- Nevada 25
- New Hampshire 24
- New Jersey 70
- New Mexico 25
- New York 135
- North Carolina 155
- North Dakota 2
- Ohio 86
- Oklahoma 46
- Oregon 74
- Pennsylvania 158
- Puerto Rico 1
- Rhode Island 9
- South Carolina 66
- South Dakota 6
- Tennessee 68
- Texas 235
- Utah 64
- Vermont 20
- Virginia 144
- Washington 132
- West Virginia 28
- Wisconsin 63
- Wyoming 5
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 3877 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 running festival at Yellowwood State Forest on Oct 17, 2026, featuring 8M, half, marathon, 50K and a 2–4 person 50K relay with camping and course GPX files.
Trail races inside Marshall Gold Discovery State Historic Park offering distances from a kids run to a half marathon across singletrack, fire road climbs, and stocked aid stations.
Chip timed half marathon and 10K through the Alabama Hills with Mt Whitney views, raising funds for the John Wayne Cancer Foundation on October 17, 2026.
Rootrock Trail Run at Briar Chapel on October 17, 2026 offers 5K, 10K and half marathon on root and rock strewn single track with awards and a kids treasure race.
Cave Creek Thriller on October 17, 2026 offers 50K, 24K, 11K and 5K trail races around Cave Creek Regional Park and on the Maricopa Trail with cupless aid stations.
A weekend ultra on private one mile single track loops in Crystal Springs Mississippi with camping and basic amenities included for a $25 entry.
A 3.5 mile trail run and walk on the scenic, flat Mill Pond Trail at Woodtick Recreation in Wolcott CT on October 17, 2026. Tiered online registration is available and a post-event meal is included with registration.
A roughly 10k trail race in Olathe, KS organized by Team Sparkle, with clock timing, cupless aid stations, and a $5 donation per entry to Urban Trail Co.
Trail races at Sam Houston Jones State Park on October 17, 2026 with 50K, 25K and an 8 mile loop over technical single-track and water crossings.
Point to point 50K on October 17, 2026 along the Florida National Scenic Trail west corridor, requiring GPX navigation and a carried phone.
A self-paced event on a well-marked 1-mile loop at Weymouth Woods, offering a 4-hour repeat challenge and a three-loop 5K with run and ruck options.
A Halloween themed charity event in Dunedin with a 5K, a 1 mile fun run and a virtual 5K supporting Club-214 Land & Sea and local veterans.
Trail race at Mount Diablo in Walnut Creek on October 17, 2026 offering 30K, half marathon, 10K and 5K on hilly trails with possible mud and creek crossings.
A 5 km desert trail run at Shangrai La Ranch in New River, Arizona, where nudity is encouraged but not required. Registration includes a day visit with pools, a café, clubhouse and game room, and the race is chip timed.
A sold out 20 mile single-loop hike at St. Croix State Park with water stops, a finisher medal, and roughly 400 feet of elevation gain.
A 5K road and trail race and a 2 mile walk in Ivoryton to benefit the Ivoryton Library, with a costume prize and t-shirts for early registrants.
October trail race to Cuyamaca Peak offering 50K, marathon, and half marathon courses with significant climbing, aid stations, GPX files, and checkpoint cutoffs.
Endurance event in Prescott, Arizona on October 17, 2026 offering 50 mile, 25 mile, half marathon and an intro ride with course maps, awards and community giving.
Obstacle-course event at Neal Farms near Lebanon TN on October 17, 2026 with 15K and 5K courses, Infinity laps, spectator passes, and finisher rewards.
Trail races in Palo Duro Canyon on October 17, 2026 offering 25K, 50K and 50 mile looped courses with varied terrain, four aid stations, and a cupless policy.