United States
- Alabama 55
- Alaska 16
- Arizona 110
- Arkansas 44
- California 357
- Colorado 137
- Connecticut 48
- Delaware 14
- District of Columbia 15
- Florida 167
- Georgia 106
- Hawaii 8
- Idaho 16
- Illinois 81
- Indiana 69
- Iowa 38
- Kansas 36
- Kentucky 70
- Louisiana 35
- Maine 29
- Maryland 67
- Massachusetts 59
- Michigan 117
- Minnesota 53
- Mississippi 16
- Missouri 73
- Montana 33
- Nebraska 19
- Nevada 29
- New Hampshire 34
- New Jersey 71
- New Mexico 29
- New York 151
- North Carolina 154
- North Dakota 3
- Ohio 98
- Oklahoma 44
- Oregon 91
- Pennsylvania 197
- Puerto Rico 1
- Rhode Island 10
- South Carolina 71
- South Dakota 8
- Tennessee 73
- Texas 236
- Utah 76
- Vermont 29
- Virginia 148
- Washington 127
- West Virginia 31
- Wisconsin 71
- Wyoming 10
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 4147 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
A chip timed 5K trail run and walk at Ascot Hills Park with city views, finisher shirt and medal, live results and community activities.
Historic Bay Area trail event offering 100K, 50 mile and marathon courses, all UTMB indexed with the 50 mile in the Pacific USATF Grand Prix.
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.
Trail races at Cossatot River State Park near Wickes AR featuring a 12.5 mile half marathon and a 25 mile marathon on rocky single track River Corridor Trail.
Experience a 2.5 mile vertical challenge gaining 1,650 feet to the summit of Yonah Mountain, featuring running and ruck divisions with spectacular views.
Timed running events at Gallatin Valley Regional Park in Bozeman offer 4 hour, 12 hour and 24 hour options on a flat 1.5 mile loop with a stocked aid station and free race photos.
A looped trail event at Cannonsburg Ski Area featuring 100 mile and 50 mile ultra options with large elevation gain, plus 10K and 20K single track races; aid station and crew access each loop, participant fields are limited.
Trail races at Massey Meadow in Dry Fork Canyon offering a half marathon and 10K with Flume Trail views and notable fall foliage.
A loop-based trail event at Welling Ridge Trails near Tahlequah offering distances from 4 miles to 40 miles, a ruck relay, on-course challenges, and finish awards.
An off road 5 Miles obstacle course in Saint Charles, Iowa on September 26, 2026, hosted by Contributors Breakfast Club; the local fundraiser keeps proceeds in Iowa and lets participants help design several obstacles.
Two-day running festival in Long Beach Peninsula WA with beach Sand Marathon, half marathon, 10K, 5K, Sunset 5K, kids races, expo and awards.