United States
- Alabama 54
- Alaska 16
- Arizona 110
- Arkansas 41
- California 365
- Colorado 139
- Connecticut 49
- Delaware 15
- District of Columbia 14
- Florida 167
- Georgia 112
- Hawaii 7
- Idaho 17
- Illinois 81
- Indiana 70
- Iowa 41
- Kansas 37
- Kentucky 72
- Louisiana 36
- Maine 29
- Maryland 68
- Massachusetts 59
- Michigan 125
- Minnesota 57
- Mississippi 16
- Missouri 71
- Montana 33
- Nebraska 18
- Nevada 30
- New Hampshire 40
- New Jersey 71
- New Mexico 28
- New York 159
- North Carolina 156
- North Dakota 2
- Ohio 106
- Oklahoma 46
- Oregon 92
- Pennsylvania 201
- Puerto Rico 1
- Rhode Island 10
- South Carolina 71
- South Dakota 8
- Tennessee 73
- Texas 240
- Utah 79
- Vermont 29
- Virginia 154
- Washington 127
- West Virginia 33
- 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 4231 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
Test your endurance in a unique last person standing event or timed races ranging from 8 to 48 hours between Belleville Community Park and Dot’s Tavern.
Two trail ultramarathons in Steamboat Springs covering 50 and 100 mile courses across Buffalo Pass, Mount Werner, and Rabbit Ears with a $100,000 purse and community giving.
A team trail relay on September 18–19, 2026 at Nine Mile Forest near Wausau, WI, featuring 117 miles of single-track trails and about 15 miles per runner.
Multi-distance, self-supported mountain bike and trail running event in Marquette County, Michigan, with Marji Camp, mandatory GPS, no aid stations, and time-based buckle cutoffs.
Experience the Wasatch Mountains at the Goat Rattler 100, a technical trail race in North Ogden featuring 97 percent single track and 22,000 feet of elevation gain.
A community fundraiser at Goose Island Campground in Stoddard, WI offering timed 6 and 24 hour running and walking. Participants set their own goals, from a single loop to more than 100 miles in 24 hours.
Multi-day timed ultras at Shortsville Reindeer Farm on a one mile grass and trail loop. Multiple timed options, an on-course aid barn, and belt buckles for finishers who complete 100 loops; proceeds support ROCovery Fitness.
Experience the flowing single track trails of Columbus Georgia with distances ranging from a night time vertical 5K to a 50K ultramarathon and a 10 mile canicross race.
Test your endurance at Smith Ranch in a 4.18 mile loop race where participants run every hour until only one runner remains standing.
Annual September running event at Wright Patterson Air Force Base offering marathon, half marathon, 10K, 5K, kids run, relay and virtual race options.
Run a new 5K every hour for 24 hours at Pemberton Park in this unique point based endurance festival for solo runners and teams of four.
Experience Georgia oldest 100 mile trail race on the Pinhoti featuring beautiful ridgelines and pine forests with distances ranging from 18 to 100 miles.
A looped endurance event in Auburn California from September 18 to 21 2026 featuring races from 3 hours to 72 hours on an approximately 0.75 mile loop.
A two day ultrafest in Moorhead on September 18 and 19, 2026 offering 3, 6, 12 and 24 hour run and ruck events on a roughly 5 mile lap with aid stations, finisher items, and awards including buckles for 100 mile and 100k finishes.
A costume friendly 5K run/walk at Blake Farm in Armada, MI with gravel and orchard trails, haunted scenes, a t-shirt, cider, a donut and Spookyland admission.
An evening 5K in Phoenix as part of a three-race Desert Night Race Series that supports Child Crisis Arizona.
A three day fitness and wellness festival near Rome Georgia featuring a choose your own distance race, wellness sessions, live music, camping and glamping options.
Multi-distance trail festival at Ringwood State Park Sept 18–20 2026 with looped courses, a central aid station, and options from a kids mile to 100 miles.
Obstacle race in Dallas, Georgia on September 19, 2026, offering a 3+ mile BLITZ and a 5-7 mile RACE; parking is $20 at the gate.
A two day Spartan obstacle race weekend at Killington Ski Resort featuring Sprint, Beast, Ultra and kids races on steep, off trail mountain terrain.