United States
- Alabama 55
- Alaska 15
- Arizona 108
- Arkansas 44
- California 357
- Colorado 131
- Connecticut 40
- Delaware 15
- District of Columbia 15
- Florida 175
- Georgia 97
- Hawaii 9
- Idaho 14
- Illinois 70
- Indiana 71
- Iowa 31
- Kansas 36
- Kentucky 71
- Louisiana 30
- Maine 26
- Maryland 69
- Massachusetts 61
- Michigan 103
- Minnesota 47
- Mississippi 15
- Missouri 65
- Montana 34
- Nebraska 21
- Nevada 27
- New Hampshire 30
- New Jersey 73
- New Mexico 29
- New York 143
- North Carolina 164
- North Dakota 2
- Ohio 91
- Oklahoma 44
- Oregon 83
- Pennsylvania 183
- Puerto Rico
- Rhode Island 8
- South Carolina 69
- South Dakota 6
- Tennessee 73
- Texas 250
- Utah 66
- Vermont 20
- Virginia 145
- Washington 124
- West Virginia 30
- Wisconsin 66
- Wyoming 7
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 4019 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
Trail and cross country bike races in downtown Georgetown on single track trails along the San Gabriel River, with distances from a 1 mile youth run to 50K.
Obstacle course weekend at Toro Park near Salinas, CA with Sprint 5 km (20 obstacles), Super 10 km (25 obstacles), kids races and spectator access.
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 trail running festival at Leavenworth Ski Hill featuring a 50K double-loop, a 25K Skyline loop, a town 5K, kids races, aid stations, and festival activities.
Out-and-back trail event in Belleville, Wisconsin offering 50 mile, 50K, and Half Marathon distances on the Badger and Sugar River rail trails with regular aid stations.
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.
A supported trail event in the Angeles National Forest featuring a 50k with 5,300 ft of vertical and a 13.1-mile half with multiple aid stations and a finish festival.
Timed loop races on a 1.54 mile scenic Magnuson Park loop offering 13 hour and 7 hour solo formats with chip lap counting and a vegetarian post race meal.
Trail races, a beer mile, a one mile beer stroll, and post-run beer tastings at Almaden Lake Park in San Jose on May 29, 2027.
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.
Spring trail races at Smith Rock State Park and nearby grasslands offering 50 mile, 50K, and 10 mile courses with Cascade views.
Last One Standing in Spokane where runners repeat a 4 mile loop each hour until one remains, with a semi stocked aid station and designated crew areas.
A self-supported 150 mile run across Michigan from Ludington to Bay City with long rail trail sections, required crew support, limited volunteer aid, and time cutoffs.
Annual May trail festival in Pocahontas County, WV offering 100K, 50K, 30K, 5K and a kids mile on single-track trails and fire roads around Snowshoe.
City of Palm Bay 5K at Turkey Creek Sanctuary with a trail run option and a virtual 5K, registration opens Oct 1, 2026, fee $35.
A family-friendly mud run at Lost Lakes Adventure Park on May 29, 2027 featuring obstacles, mud pits, a pre-party, and Value and VIP registration options.
Trail races at Scuppernong Trailhead in Dousman, WI offering 50K, 30K and 10K on a 10K+ loop with an aid station, cupless policy, and proceeds supporting Kettle Moraine projects.
Trail races in Portland's Forest Park over Memorial Day weekend featuring the city's only 50K and a hilly trail half, with proceeds benefiting the Forest Park Conservancy.
Trail event near Pelham, Alabama offering 12 mile and 6 mile courses at Oak Mountain State Park during Memorial Day weekend.