United States
- Alabama 55
- Alaska 18
- Arizona 109
- Arkansas 42
- California 377
- Colorado 145
- Connecticut 51
- Delaware 14
- District of Columbia 15
- Florida 168
- Georgia 119
- Hawaii 7
- Idaho 18
- Illinois 86
- Indiana 69
- Iowa 43
- Kansas 40
- Kentucky 49
- Louisiana 38
- Maine 33
- Maryland 67
- Massachusetts 58
- Michigan 129
- Minnesota 59
- Mississippi 17
- Missouri 71
- Montana 34
- Nebraska 18
- Nevada 32
- New Hampshire 45
- New Jersey 70
- New Mexico 29
- New York 162
- North Carolina 153
- North Dakota 1
- Ohio 105
- Oklahoma 47
- Oregon 94
- Pennsylvania 216
- Puerto Rico 1
- Rhode Island 10
- South Carolina 73
- South Dakota 9
- Tennessee 71
- Texas 215
- Utah 79
- Vermont 30
- Virginia 161
- Washington 132
- West Virginia 34
- Wisconsin 70
- Wyoming 13
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 4303 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 point-to-point trail run around Emerald Bay of about 7 miles (approximately 11 to 12 km). The single-track course includes granite steps and moderate climbs and finishes at Lester Beach with shuttle service back to the start.
Four looped trail races at Douthat State Park on September 12, 2026, from a 50K to a six-mile course with aid stations, finisher awards, and a 200 runner limit.
A demanding 17.1 mile mountain trail race connecting Ouray and Telluride over the high altitude Imogene Pass. This event features steep rocky terrain and strict cutoffs for prepared athletes.
A bus-transported half marathon and 5K on Sept 12, 2026 through Cedar Canyon, finishing at Bicentennial Park Soccer Fields with multiple aid stations and trail finishes.
A high alpine singletrack run in the North Cascades on the Pacific Crest Trail, about 10.5 miles with a cupless aid station and age divisions from youth to 70 plus.
Trail races on the Mogollon Rim near Pine, Arizona featuring a 102.3 mile ultramarathon with 15,900 ft gain and a separate 42K course across high forest and rim trails.
An obstacle-based 5K at Short Beach in Stratford that raises funds for the Sterling Community Center and includes 18 plus obstacles, shirts, medals and family participation rules.
Run through ancient redwoods at this weekend festival in Mendocino, featuring 10k, half marathon, and timed races on a scenic 6 mile trail loop.
Trail race at Clinton State Park offering 100 mile, 50 mile, and marathon options on a 25 mile loop with staffed aid stations and chip timing.
Trail races at Ontario County Park near Gannett Hill with long and short courses, three staffed aid stations, camping options, post-race food and awards.
Experience a minimalist and unsupported trail race across the scenic Shawangunk Mountains with distances ranging from a half marathon to a 70 mile ultra.
A four-mile obstacle course race in Tulsa on September 12, 2026, featuring more than 25 obstacles, a kids course, and group registration options.
A USATF certified chip timed family 5K run and walk through Pla-Mor Park and the Devil's River State Recreational Trail in Francis Creek, WI. The event includes a virtual option and proceeds support local first responders and community programs.
Trail races of 15K, 30K and 45K at Pleasant Creek Park near Palo, Iowa, run on a 15K loop over dirt and grass trails with rolling hills.
A longstanding Nederland, Colorado running event offering a 5K road run, a 10K trail, and a trail half marathon, with family-friendly features, on-leash dogs allowed in the 5K, and costume encouragement.
Timed 3, 6 and 12 hour ultra events at Horner Park in Chicago on a paved loop under one mile, featuring hourly challenges, one aid station, and relay options.
Trail festival in Camden Hills State Park, Maine featuring a 10K singletrack, a 20K gravel course, and a 50K covering over 90 percent of park trails.
A multi-distance trail running festival at YMCA of the Rockies in Granby, CO offering 50K, 33K, half, 10K and 5K on dirt and grass trails with looped courses.
Traverse the scenic Kelly Ridge on single track trails between Olympic National Park and the Strait of Juan de Fuca. Choose from three distances finishing at the clear waters of Lake Crescent.