United States
- Alabama 56
- Alaska 15
- Arizona 109
- Arkansas 44
- California 356
- Colorado 132
- Connecticut 39
- Delaware 16
- District of Columbia 14
- Florida 176
- 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 38
- Nebraska 26
- Nevada 28
- New Hampshire 30
- New Jersey 74
- New Mexico 27
- New York 139
- North Carolina 166
- North Dakota 2
- Ohio 94
- Oklahoma 46
- Oregon 81
- Pennsylvania 176
- Puerto Rico 1
- Rhode Island 8
- South Carolina 68
- South Dakota 7
- Tennessee 72
- Texas 243
- Utah 70
- Vermont 22
- Virginia 142
- 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 4044 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 Halloween themed event at Saunders Springs Nature Preserve offering an in person 5K, a virtual 5K, and a free kids mile with medals and costume prizes.
Teams of 6 to 13 share 26 one mile legs on a one mile trail loop at The Woodlands, with team-made batons and a champion who finishes a 0.2 mile final leg carrying a torch.
Three distance options through Prince William Forest Park with trail and pavement sections, water stations, chip timing, and proceeds supporting the Wounded Warrior Project.
Technical trail races in Harriman State Park featuring a rugged half marathon and a steep 10K with substantial elevation gain and marked singletrack.
Trail races in Upper Bidwell Park offering a half marathon and two 4 mile options, including an hourly eight-loop endurance challenge with aid stations and on-course support.
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 Day of the Dead themed race at Marine Creek Lake on October 18, 2026 offering distances from a kids dash to a chip timed half marathon plus a costume contest and post race music.
Trail race in Pasadena on October 18 with 5K, 10K and a 13.12 mile trail half through Hahamongna Watershed Park, chip timed and supported on course.
On October 18, 2026 Many Lite at Letchworth State Park follows about 20.5 miles of trails through waterfalls and overlooks, with two aid stations, pace cutoffs, and a shuttle from the finish to the start.
Technical trail marathon and 12 mile at Fort Mountain State Park with about 5,500 feet elevation gain and a route past an ancient mysterious rock wall.
A free community run and expo in Flower Mound TX featuring a casual 5K group run, vendor booths, a raffle, volunteer opportunities, and post event sweat testing.
A four-race trail series across Colorado Springs parks with increasing distances, chip timing, and gift card awards for runners who complete all four events.
Trail race at Lake Fairfax Park with 5.1 mile and 10 mile singletrack courses, short technical sections, lake views, and a supervised kids program.
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.
Experience the final leg of the Dirt Days Trail Series with a 3.5 mile run at Shawnee Lookout. Enjoy river valley views and woodland trails in a historic park setting overlooking the Ohio and Great Miami Rivers.
Trail marathon, half marathon and 10K in Huntsville on October 18, 2026, with cupless aid stations, a hoodie, medal and post race meal included.
A fall run at Richardson Adventure Farm in Spring Grove offering 10K, two 5K options and a one mile family adventure through a corn maze with finisher medals.
A community 5K and 2K trail-focused run/walk in Williamston with finisher medals and proceeds benefiting the St. Louis Center.
Trail runs, family walks and a kids color run at Camp Barnes with races, awards, live bluegrass and a community post-race meal supporting Mariners Bethel youth ministries.
Trail races inside Kanawha State Forest offering a 13.1 mile half marathon, a 7K, and a virtual option with mailed shirts and medals.