United States
- Alabama 47
- Alaska 22
- Arizona 104
- Arkansas 27
- California 344
- Colorado 137
- Connecticut 46
- Delaware 9
- District of Columbia 11
- Florida 135
- Georgia 107
- Hawaii 3
- Idaho 25
- Illinois 87
- Indiana 62
- Iowa 43
- Kansas 34
- Kentucky 43
- Louisiana 29
- Maine 33
- Maryland 60
- Massachusetts 51
- Michigan 114
- Minnesota 58
- Mississippi 16
- Missouri 72
- Montana 37
- Nebraska 18
- Nevada 31
- New Hampshire 45
- New Jersey 54
- New Mexico 28
- New York 154
- North Carolina 129
- North Dakota 1
- Ohio 110
- Oklahoma 28
- Oregon 71
- Pennsylvania 179
- Puerto Rico
- Rhode Island 11
- South Carolina 56
- South Dakota 11
- Tennessee 69
- Texas 181
- Utah 86
- Vermont 34
- Virginia 149
- Washington 111
- West Virginia 25
- Wisconsin 73
- Wyoming 14
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 3935 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!
August 2026
A remote mountain ultramarathon near Sumpter, Oregon offering 53-mile and 50K trail courses with mandatory prior ultramarathon experience; registration includes shuttle, meal, finisher award, and fairgrounds camping.
A family mud and obstacle event in Morganton NC with a one mile course, 16 obstacles, giant sprinklers, inflatables and a lazy river. Registration includes a shirt and medal, photos are free and parking is $10 per car.
Trail races from Fairhaven Park into Larrabee State Park offering 12K, 25K and 50K courses through forests, lakes and narrow ridgelines with significant elevation gain.
A half marathon and a 50K on the Dahlgren Railroad Heritage Trail in King George, VA on August 8, 2026. Mostly flat rails to trails courses with time limits, finisher medals, apparel options and postrace food including free MooThru ice cream.
Trail races of 5K, 10K, and half marathon on Frisco Peninsula trails with lakeshore finishes at Dillon Reservoir on August 8, 2026.
Forest trail races in Tahquamenon Falls State Park in August 2026 offering 50K, 25K and 10K courses with aid stations and a 250-runner limit.
Trail marathon and half in Herriman, Utah featuring extensive single track, significant elevation gain, remote aid stations, and locally made finisher medals.
A single-loop trail event in the La Sal Mountains offering 100 mile, 50 mile, and 50k distances. The 100 mile course averages over 8,700 ft elevation with roughly 25,000 feet of climbing and multiple staffed aid stations.
A Backyard Ultra at Alum Creek State Park where runners repeat a 4.167 mile loop each hour until only one runner remains.
Experience 100 miles of rugged Appalachian terrain and 20000 feet of elevation in this scenic loop through Pennsylvania. Runners navigate wild footpaths and rocky climbs in one of the most demanding trail races in the region.
Haulin Aspen is an all-trail running event on August 8, 2026 near Bend, Oregon. It features a full marathon, half marathon, a 6.5 mile course, and a new three person marathon relay on forested single track.
Experience a technical seventeen mile trail run along the Hudson River cliffs with over five thousand feet of elevation change. High endurance is required for this rugged course featuring boulder scrambles and scenic river views.
Experience trail running near the Blue Ridge Mountains with 15K and 5K races at Table Rock State Park. Navigate creek crossings and climbs toward Pinnacle Mountain to earn finisher awards and enjoy mountain views.
The event is cancelled. It had been planned as a 10K ruck obstacle course at Pineland Farms in New Gloucester, Maine, featuring The Crucible with 20+ obstacles and prize rules requiring participants to ruck the full course with a pack.
Experience the Withlacoochee Forest after dark in this night trail race featuring 5, 10, and 20 mile distances. Navigate single track trails under the stars with glow stick markers and a post race picnic celebration.
A community event in Cadillac on August 8, 2026, featuring a professionally timed 5K and a 1-mile tribute walk. Proceeds support local veteran programs, transitional housing, and a veterans scholarship at a nearby college.
Participate in a 5K or 10K trail and ruck run in Velpen to honor veterans and emergency personnel. Enjoy a professionally timed race at Cool Springs that supports local community safety and veteran awareness.
Tails and Trails is a 5K in Cody, Wyoming that raises funds for Wyo Hoofbeats and highlights Cody Regional Health's animal therapy program. The course follows residential streets and trails along the Shoshone River with mountain views.
Night trail races at White Tank Mountain Regional Park offering 52K, 31K, 20K, 10K and 6K on a 10.4 km loop with stocked aid stations and a cupless policy.
Trail races in Mueller Park, Bountiful, UT, featuring a point-to-point 50K plus shorter loop and out-and-back distances on singletrack and fire roads.