United States
- Alabama 47
- Alaska 22
- Arizona 102
- Arkansas 26
- California 342
- Colorado 140
- Connecticut 46
- Delaware 9
- District of Columbia 11
- Florida 135
- Georgia 107
- Hawaii 3
- Idaho 24
- Illinois 88
- Indiana 62
- Iowa 43
- Kansas 34
- Kentucky 43
- Louisiana 28
- Maine 33
- Maryland 60
- Massachusetts 53
- Michigan 115
- Minnesota 60
- Mississippi 16
- Missouri 72
- Montana 37
- Nebraska 17
- Nevada 31
- New Hampshire 45
- New Jersey 54
- New Mexico 27
- New York 157
- North Carolina 130
- North Dakota 1
- Ohio 110
- Oklahoma 28
- Oregon 71
- Pennsylvania 181
- Puerto Rico
- Rhode Island 11
- South Carolina 55
- South Dakota 11
- Tennessee 69
- Texas 180
- Utah 86
- Vermont 34
- Virginia 149
- Washington 110
- West Virginia 26
- Wisconsin 74
- Wyoming 15
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 3923 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 multi day mountain running weekend in Palmer, Alaska featuring a technical 37K skyrace; shorter events were cancelled for 2026.
A weekend of trail races at Camp Mack in Newmanstown PA featuring a night 3.5 mile race, chip timed 12/6/3 hour endurance on a 3.4 mile loop, and free kids races with two course options.
Trail relay at Soldier Hollow Nordic Center on August 28 and 29, 2026 featuring ridgeline singletrack with views of Mount Timpanogos and Deer Creek Reservoir.
A long-distance team relay across Oregon from Mount Hood to the Pacific, with 8-12 teammates sharing nearly 200 miles and strict safety and conduct rules.
A nighttime 5K and 10K loop run in Downtown Fort Worth along the Trinity River under the full moon, on mostly grass and gravel with one climb per loop. Chip timing, T shirts and medals included; proceeds support a local wolfdog sanctuary.
A night trail run on private ranch trails in Alpine, California, under reflective course markers. Multiple loop distances are offered, headlamps are required, camping is available and aid stations will be illuminated.
Friday Night Lights Elon Opener is Elon's cross country season opener on August 28, 2026 in Elon, North Carolina. Women run four 1000 meter laps and men run six 1000 meter laps in an evening cross country meet.
Two-day Spartan obstacle event at Mahon Ranch near Elk Grove on Aug 29 to 30, 2026 featuring Sprint, Super, kids races and spectator access.
Challenging 5 km and 10 km routes at Dirt Farm Brewing in Bluemont on August 29, 2026 with rugged terrain and virtual entry options.
A mud obstacle event on August 29, 2026 at Richardson Adventure Farm offering 5K, 15K, timed Infinity laps, Mudder Village, and finisher rewards.
Weekend obstacle course races at Summit at Bechtel Reserve with Sprint 5 km, Super 10 km, Beast 21 km and kids races across rugged terrain and water features.
Trail race at Wilson State Park offering a roughly 50k and a half marathon on the Switchgrass single track with two staffed aid stations and mandatory water carrying.
Trail races at Mt. St. Helens Science & Learning Center offering 50K, 20 mile and half marathon loops with significant elevation and aid stations.
A 10 hour trail endurance event at Bluhm County Park on August 29, 2026 with hourly loop cutoffs, chip based prizes, and a race t shirt and wooden medal.
Trail race in the Chequamegon Nicolet National Forest offering 100 mile 100k and 50k options, campground camping at Spearhead, with much of the route on the Ice Age Trail.
A muddy 3 mile obstacle run at Phil Moore Park on August 29, 2026, with 20 or more obstacles and a free kids play area.
A point-to-point 50-mile ultramarathon on the Baker Trail with 6,200 feet of climbing, individual and five-person relay options, and wayfinding via yellow blazes.
A Last Man Standing race in Half Way, Missouri where each 4.167 mile lap reduces the cutoff by one minute until one runner remains.
An 8.88 hour timed trail event in August in Atlanta with multi-loop laps over river and through woods. The race has a no DNF, no cutoff, no crew policy and a flat $88.80 entry fee.
Trail races on August 29 and 30, 2026 offering 50 Mile, 50K, 26.2 Mile and 13.1 Mile distances. Registration is closed and a wait list will be available; organizers state the race includes notably large finisher medals.