United States
- Alabama 47
- Alaska 22
- Arizona 101
- Arkansas 26
- California 341
- Colorado 138
- Connecticut 46
- Delaware 9
- District of Columbia 11
- Florida 133
- Georgia 107
- Hawaii 3
- Idaho 23
- Illinois 87
- Indiana 62
- Iowa 43
- Kansas 34
- Kentucky 43
- Louisiana 26
- Maine 33
- Maryland 60
- Massachusetts 53
- Michigan 115
- Minnesota 60
- Mississippi 16
- Missouri 72
- Montana 37
- Nebraska 16
- 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 66
- Texas 177
- Utah 86
- Vermont 34
- Virginia 149
- Washington 109
- 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!
May 2027
Fort Carson obstacle weekend featuring Sprint 5 km, Super 10 km, Beast 21 km and Ultra 50 km courses across high elevation rugged trails.
Trail and mountain bike races in downtown Georgetown on singletrack trails along the San Gabriel River, with distances from Youth 1 mile to 50K.
Two-day obstacle race weekend at Toro Park near Salinas with Sprint 5K, Super 10K, kids races and spectator options.
An annual obstacle race in Belton, Texas, about 3 miles along Nolan Creek with roughly 15 to 20 built obstacles and activities for ages 5 to 105.
A mountain trail festival in Leavenworth on May 29, 2027 offering 50K, 25K, 5K, kids races, festival activities, aid stations, and finishers' awards.
An out-and-back trail event in Belleville WI offering a 50 Miler, 50K and half marathon on the Badger State and Sugar River trails.
A 12 and 24 hour looped endurance run at Keweenaw Mountain Lodge near Copper Harbor. Runners repeat a 3.68 mile loop that passes Back 9 trails, a golf course, hills, mud and forest with views of Brockway Mountain.
Mountain trail races in the Angeles National Forest on May 29, 2027 offering 50k and 21k courses with multiple aid stations and a finish festival.
Timed 1.54 mile loop races in Magnuson Park offering 13 hour and 7 hour solo formats with chip lap counting, a stocked aid station and a boxed vegetarian post race meal.
Beer City Half San Jose on May 29, 2027 at Almaden Lake Park pairs trail and park running with a beer festival. Events include a half marathon, 10k, 5k, a 1 mile Beer Stroll, the Beat the Beast beer mile, and beer tastings.
An 8 mile uphill race climbing 4,600 ft from Keeler to the historic Cerro Gordo town, finishing with a mountaintop barbecue, music, and shuttles back down. Spectator passes include the shuttle ride and food.
A Memorial Day weekend running event at the Northwest Cary YMCA with in-person and virtual 2, 4, and 6 mile options, a kids-in-strollers category, exhibitor booths, finishers medals, and a prize pool that supports the local Veterans of Foreign Wars.
Scenic spring trail races at Smith Rock State Park near Terrebonne Oregon, offering 50 mile, 50K and 10 mile courses that pass basalt cliffs, canyon trails and Crooked River Grasslands on May 29, 2027.
An endurance event in Spokane where runners complete a 4 mile loop each hour until one remains, with a semi stocked aid station and required self sufficiency.
Three nights of camping and three guided mountain runs in Mouth of Wilson, VA from May 29 to 31, 2027 with tent and tiny cabin lodging options.
May 29, 2027 event: a self supported 150 mile run across Michigan from Ludington beach to Veterans Memorial Park in Bay City with required crew support.
A weekend of mountain trail races and community events in Snowshoe, West Virginia, featuring 100K, 50K, 30K, 5K and a kids mile amid notable elevation and scenic views.
A five mile urban obstacle event in downtown Wheeling with more than 20 obstacles and heats of 175 participants. Minimum age is 16 and each entrant receives a shirt, medal, and drink ticket.
Trail races of 10K, half marathon, and marathon at Toro Park, Salinas on May 30, 2027, over rocky trails and dirt roads with summer temperatures around 16ºC and an average altitude of 520 meters.
Timed trail event at Holiday Valley in Ellicottville offering 7, 14, 21, and 28 mile loop courses with a 10 hour limit; weighted vest options and t-shirt, patch, and medal for finishers.