United States
- Alabama 54
- Alaska 26
- Arizona 99
- Arkansas 44
- California 336
- Colorado 136
- Connecticut 35
- Delaware 11
- District of Columbia 13
- Florida 160
- Georgia 92
- Hawaii 6
- Idaho 13
- Illinois 73
- Indiana 54
- Iowa 26
- Kansas 28
- Kentucky 59
- Louisiana 32
- Maine 23
- Maryland 63
- Massachusetts 36
- Michigan 101
- Minnesota 41
- Mississippi 13
- Missouri 55
- Montana 46
- Nebraska 20
- Nevada 26
- New Hampshire 24
- New Jersey 62
- New Mexico 21
- New York 128
- North Carolina 151
- North Dakota 1
- Ohio 77
- Oklahoma 50
- Oregon 78
- Pennsylvania 144
- Puerto Rico
- Rhode Island 9
- South Carolina 69
- South Dakota 8
- Tennessee 58
- Texas 239
- Utah 68
- Vermont 21
- Virginia 132
- Washington 129
- West Virginia 27
- Wisconsin 68
- 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 3750 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!
Obstacle course weekend at Sunflower Valley Farm in New Hampton NY with Sprint, Super and Kids races plus an obstacle workshop and Hurricane Heat formats.
Trail races at Caspers Wilderness Park near San Juan Capistrano offering 10K, half, 35K, marathon and 50K on well marked singletrack and fire roads.
An evening Halloween 5K in Clermont on October 31, 2026, with spook zones, a costume contest, a DJ, a kids' trick-or-treat trail, and a virtual 5K option.
Charity bib entries reserve spots in the Javelina Jundred 100 Mile and 100K races at McDowell Mountain Regional Park with fundraising minimums of $4,000 and $3,000. The 100 Mile is a 2027 Western States qualifier and a Golden Ticket race.
Trail races in the Columbia River Gorge from Marine Park, Cascade Locks, offering a point to point 25K and a 50K lollipop route on October 31, 2026.
Trail races in Lagrangeville NY with 100k, 50k and 10k loop options, on-course aid, finisher medals, and UTMB Index status.
A 13.1 mile trail race through the Highlands Ranch Backcountry Wilderness in Douglas County with cash prizes and participant race amenities including a shirt, medal, and pancake breakfast.
A Halloween nighttime 5-mile out-and-back on the Ghosttown Trail in Vintondale, PA, held October 31, 2026. The closed-course event requires personal lighting, uses chip timing, includes one water stop, awards by age groups, and has a 1 hour 30 minute..
A cross country team meet in Billings featuring separate men’s and women’s 5K races across age categories and a traveling trophy for the winning team.
A 100 mile trail ultramarathon in Steelville Missouri through Mark Twain National Forest with 13 aid stations and about 12,000 feet of climb.
A community run at Emmons Preserve in Kennebunkport featuring 5K, 10K trail and a kids fun run with medals, music, family activities and a raffle.
Trail races of 5K, 10K and half marathon at French Shelter Park on October 31, featuring themed costumes, finisher medals and series points.
Fall trail race in Brown's Woods, West Des Moines, offering 5K, 10K and 15K looped courses on dirt trails with proceeds supporting local trail groups.
Trail marathon, half marathon, 10K and a family Halloween hike at Oak Mountain State Park on Oct 31, 2026, part of the XTERRA Trail Run World Series.
A trail half marathon at Moreau Lake State Park in Gansevoort NY on Oct 31 2026 covering roughly 14 miles and about 2700 ft of gain on technical singletrack.
Experience a unique map adventure through the decorated streets of East Sacramento. Choose a 5k or 10k course and solve checkpoint challenges solo or in a team of up to five people.
A 3.6 mile trail loop at Coastal Peak Park with about 585 ft gain per loop through coastal sage scrub and riparian canyons; part of the Southern California UltraRunner Grand Prix Series.
Camino De Los Muertos is a trail race in Little Elm, Texas on Oct 31 to Nov 1, 2026 offering distances from a 1 mile youth run to 50K and race swag.
Night 31K single loop on the Javelina Jundred course at McDowell Mountain Regional Park, featuring four aid stations, a costume night atmosphere, and required headlamp gear.