United States
- Alabama 55
- Alaska 17
- Arizona 111
- Arkansas 44
- California 360
- Colorado 145
- Connecticut 46
- Delaware 13
- District of Columbia 15
- Florida 178
- Georgia 109
- Hawaii 8
- Idaho 16
- Illinois 80
- Indiana 71
- Iowa 37
- Kansas 39
- Kentucky 76
- Louisiana 33
- Maine 28
- Maryland 69
- Massachusetts 60
- Michigan 115
- Minnesota 53
- Mississippi 17
- Missouri 73
- Montana 36
- Nebraska 20
- Nevada 29
- New Hampshire 33
- New Jersey 71
- New Mexico 30
- New York 152
- North Carolina 168
- North Dakota 3
- Ohio 105
- Oklahoma 46
- Oregon 93
- Pennsylvania 205
- Puerto Rico 1
- Rhode Island 10
- South Carolina 74
- South Dakota 8
- Tennessee 74
- Texas 246
- Utah 77
- Vermont 28
- Virginia 149
- Washington 130
- West Virginia 31
- Wisconsin 70
- Wyoming 11
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 4256 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!
September 2026
Two day Spartan event at Badlands Off Road in Attica IN with Sprint, Super, Beast and kids races across sand dunes, forests, rocks and creek crossings.
Obstacle course weekend at Lake Elsinore Raceway featuring Sprint 5K, Super 10K, kids races, and Hurricane Heat formats on September 26 to 27, 2026.
A one-day mountain trail challenge over five peaks around Westmore, about 26 miles and 6,142 feet of ascent with staffed aid stations and shuttle support.
Experience the wild beauty of the Southern Colorado Rocky Mountains at Music Meadows Ranch. Choose from several trail distances ranging from 8 miles to 104 miles along the scenic Rainbow Trail.
A community fundraiser at Westchester Lagoon on September 26, 2026, featuring 2K and 5K runs along the coastal trail to support Anchorage School District language immersion programs.
Trail ultramarathons in Crested Butte on September 26, 2026, offering 35K, 55K and 50 Mile courses through high-elevation forest terrain with cupless aid stations.
Experience desert style single track and forest roads with views of the Collegiate Peaks in Buena Vista. Choose between 50k or 30k distances as part of the multi sport 14er Fest.
A 20th annual 24-hour ultrarace at Hinson Lake on a USATF certified 1.5032-mile loop with electronic timing, marked trail, footbridges, and parking and camping options.
A chip timed 5K trail run and walk at Ascot Hills Park with city views, finisher shirt and medal, live results and community activities.
Dick Collins Firetrails on September 26, 2026 features 100K, 50 mile and marathon courses around Castro Valley and Tilden Regional Park with UTMB Index status.
Trail running at Clarkco State Park in Quitman MS on Sept 26 2026 with 50K, 25K and 12.5K on a 7.78 mile loop, chip timing, aid stations, medal and shirt.
Trail marathon in Shandaken, NY on Sep 26, 2026 : a 26-mile point to point race with about 7,000 ft of ascent on technical Catskill trails organized by Run Wild Inc.
A cross country meet at Camp Rilea near Seaside Oregon on September 26, 2026, featuring four flagged courses, chip timing, team lodging, and weekend meals.
A charity 5K at Coldstream Park/Legacy Trail in Lexington on September 26, 2026 benefits NICU babies, with an in-person chip timed 5K, a kids 1/4 mile dash, and a virtual 5K option with mailed shirts.
Tough Mudder Colorado at Fort Carson on September 26, 2026: 15K and 5K routes with 12 to 20+ obstacles, finisher medal, shirt, headband, and Mudder Village spectator pass.
Trail races of 5 mile, half and full marathon distance through Deception Pass State Park with ocean views, multiple shoreline loops, and a crossing of the Deception Pass Bridge.
A 100 mile open road urban ultramarathon through Miami neighborhoods on September 26, 2026, limited to 50 runners and relying on crew support, checkpoints and directional cards. A 30 mile Miami 130 Challenge is available after the 100 miles.
Run, hike, or bike up the mountain in Tamarack to support suicide awareness and mental health recovery. Face a challenging elevation gain while collecting tokens of strength and enjoying views of Valley County.
Push your limits on a 0.82 mile loop at 7,240 feet in this community focused 24 hour endurance run in Palmer Lake, Colorado.
Test your limits at the Babbitts Backyard Ultra in Flagstaff, a last person standing race featuring 4.167 mile loops near the iconic SP Crater.