United States
- Alabama 56
- Alaska 15
- Arizona 109
- Arkansas 44
- California 355
- Colorado 132
- Connecticut 39
- Delaware 16
- District of Columbia 14
- Florida 175
- Georgia 97
- Hawaii 9
- Idaho 12
- Illinois 69
- Indiana 71
- Iowa 31
- Kansas 35
- Kentucky 71
- Louisiana 32
- Maine 26
- Maryland 72
- Massachusetts 55
- Michigan 112
- Minnesota 48
- Mississippi 15
- Missouri 64
- Montana 38
- Nebraska 26
- Nevada 28
- New Hampshire 30
- New Jersey 74
- New Mexico 27
- New York 139
- North Carolina 166
- North Dakota 2
- Ohio 94
- Oklahoma 46
- Oregon 81
- Pennsylvania 176
- Puerto Rico 1
- Rhode Island 8
- South Carolina 68
- South Dakota 7
- Tennessee 72
- Texas 243
- Utah 70
- Vermont 22
- Virginia 142
- Washington 131
- West Virginia 31
- Wisconsin 69
- 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 4042 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!
October 2026
Experience a Halloween themed trail race through the scenic woods of North Park. Choose between the 6.66K or 13K distances and enjoy a festive atmosphere in Allison Park.
Experience the peak of autumn foliage at the Chippewa Creek Challenge in the Brecksville Reservation. Run a half marathon trail course through the heart of the Cleveland Metroparks amidst vibrant fall colors.
Last person standing backyard ultra at Teventrails in Earlysville, VA where runners must complete a 4.17 mile loop each hour.
Trail event at Shaffer Bend Recreation Area offering distances from 5K to 50 miles, a 12-hour endurance challenge, and a ruck division during peak fall color.
Last Man Standing in Lumberton TX on October 24, 2026 uses a two loop 4 mile course and raises funds for NMA's work on missing and exploited children.
Trail races of 25K and 50K in Alachua FL through San Felasco Hammock Preserve State Park with on-course aid stations, finisher awards, and proceeds benefiting Friends of San Felasco.
A remote, self supported backcountry foot race at Oxbow Reservoir, CA offering three routes with extensive elevation and multiple water crossings.
A grassroots trail ultra at Deer Grove Forest Preserve on a 5.5 mile loop with 25K and 50K options, marked course, staffed aid stations, and prize money for top finishers.
Trail ultraraces in Patapsco Valley State Park offering 50k and 25k distances with in-person and virtual options, aid stations, swag, and distance-specific finisher awards.
October trail festival at Little Pine State Park with a demanding 25K of 5,000 plus feet vertical and a 10K of about 1,000 feet on technical trails.
Trail races of 25km, 50km and 50 miles in Allegany State Park with USATF sanctioning, aid stations, race socks, and time cutoffs for each distance.
Experience an old school trail running vibe with races ranging from 5 miles to 100 miles through the forested rolling hills of Oklahoma’s largest state park.
Trail and virtual races on Mackinac Island on October 24, 2026, including a half marathon and 5.7 mile options. Registration runs December 14, 2025 to March 31, 2026 and a $55 fee is listed.
Battle Born Trail Run at Cathedral Gorge State Park on October 24, 2026 offers four trail distances including a new 18.64 mile course. Routes are marked on dirt trails with aid stations, custom finisher medals, and a virtual option.
Trail race at Croft State Park featuring figure eight loops over rugged roots and rocks, with 50K, 25K, and 8 mile options and centralized aid at base camp.
A zombie themed 5K in Midway, Utah on October 24, 2026, with chasing zombies, action obstacles, fog, lighting, and sound effects. Open to ages 12 and up with adult supervision required for ages 12 to 16; $2 per ticket supports Primary Children's Hosp..
Women only trail runs and a 100 km relay at Rocky Hill Ranch on Oct 24, 2026 offering 100k, 50k, 25k, 10k and 5k with a 300 runner cap.
A fall trail event at Grills Preserve in Westerly with 10 mile and 10 km courses across single-track trails and riverfront sections. Club timing is used, orange clothing is required, and post-race refreshments are provided.
Trail races at Parvin State Park offer a half marathon and a 6 hour lap event on a mostly trail lollipop loop. The event is cupless and uses an aid station at the start and finish.