United States
- Alabama 59
- Alaska 15
- Arizona 96
- Arkansas 46
- California 345
- Colorado 131
- Connecticut 36
- Delaware 12
- District of Columbia 13
- Florida 173
- Georgia 98
- Hawaii 7
- Idaho 14
- Illinois 70
- Indiana 61
- Iowa 26
- Kansas 31
- Kentucky 67
- Louisiana 30
- Maine 25
- Maryland 67
- Massachusetts 48
- Michigan 102
- Minnesota 41
- Mississippi 14
- Missouri 60
- Montana 40
- Nebraska 23
- Nevada 26
- New Hampshire 24
- New Jersey 70
- New Mexico 22
- New York 133
- North Carolina 150
- North Dakota 2
- Ohio 86
- Oklahoma 51
- Oregon 71
- Pennsylvania 157
- Puerto Rico 1
- Rhode Island 10
- South Carolina 63
- South Dakota 8
- Tennessee 62
- Texas 250
- Utah 66
- Vermont 23
- Virginia 140
- Washington 129
- West Virginia 30
- Wisconsin 66
- 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 3838 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 chip-timed charity run at Prince William Forest Park offering 5k, 10k and half marathon distances, trail and pavement courses, and a virtual option.
Technical trail races in Harriman State Park with a half marathon and 10K, capped at 200 participants and co-hosted with the New York New Jersey Trail Conference.
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.
A 20 mile trail race through Letchworth State Park on October 18, 2026, featuring waterfalls, overlooks, two ultra style aid stations and a cupless policy. The first 6 miles must be completed within two hours.
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.
Community running festival in Flower Mound on October 18, 2026 featuring a casual 5K group run, vendor expo, raffle, food and 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, included hooded shirt and finisher medal.
Runs at Richardson Adventure Farm in Spring Grove include a 10K, a corn maze 5K with over 250 turns, a farm 5K, and a kids 1 mile.
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 in Kanawha State Forest offering a half marathon, a 7K, and a virtual option; shirts guaranteed for timely registrants, medals sold out.
Short trail races and kids runs from Luther Forest Tech Campus into 100 Acre Woods, with stone dust paths and proceeds supporting trail maintenance.
Trail event at Deerfield Town Park with a kids quarter mile, community 1.5 mile, and a professionally timed 5K featuring shirts, awards, and volunteer options.