United States
- Alabama 47
- Alaska 22
- Arizona 104
- Arkansas 27
- California 344
- Colorado 139
- Connecticut 46
- Delaware 9
- District of Columbia 11
- Florida 135
- Georgia 107
- Hawaii 3
- Idaho 25
- Illinois 87
- Indiana 62
- Iowa 43
- Kansas 34
- Kentucky 43
- Louisiana 29
- Maine 33
- Maryland 60
- Massachusetts 51
- Michigan 115
- Minnesota 60
- Mississippi 16
- Missouri 72
- Montana 37
- Nebraska 18
- Nevada 31
- New Hampshire 45
- New Jersey 54
- New Mexico 28
- New York 154
- North Carolina 130
- North Dakota 1
- Ohio 110
- Oklahoma 28
- Oregon 71
- Pennsylvania 179
- Puerto Rico
- Rhode Island 11
- South Carolina 56
- South Dakota 11
- Tennessee 69
- Texas 181
- Utah 86
- Vermont 34
- Virginia 149
- Washington 111
- West Virginia 25
- Wisconsin 74
- Wyoming 14
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 3951 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!
January 2027
A 68-mile trail ultra across the Backbone Trail in the Santa Monica Mountains on Jan 16, 2027, capped at 200 runners; solo entrants need a prior 50-mile finish and relay teams are allowed.
Experience the rolling hills of Fair Hill Natural Resource Management Area during this winter trail event. Choose between 25K or 50K distances on beautiful single track trails with heated facilities and fully stocked aid stations.
A Midwest winter ultramarathon in Missouri on January 16 and 17 2027 offering multiple trail distances from 20 miles to 100 miles, including a night 40 miler. The event is managed by PR Racing and alternates course direction by year.
Winter trail races at Ontario County Park offering roughly 4, 8, and 12 mile options, a heated lodge, pancakes and hot drinks, plus a snowshoe demo.
A 100-mile ultramarathon and a 100 furlongs (12.5 mi) event at Colt Creek State Park on January 16–17, 2027, run as six 16.8 mile loops with three staffed aid stations and loop-by-loop drop bag access.
MAD Backyard Ultra in East Ridge TN challenges runners to repeat a 4.167 mile loop each hour until only one runner completes the final lap.
Trail event in Holly MI with 5k, 10k and 4.17 mile races plus on-site and virtual eight hour formats on a 4.167 mile technical loop.
Trail endurance event at Camp Chet in Whitwell TN featuring a 6.5 mile loop plus half marathon, 6 hour, and 12 hour formats.
Cross country ski races at Hanson Hills Recreation Area in Grayling, Michigan, featuring timed 22 km, 11 km and 5 km events with chip timing, loop courses, awards and posted results.
Experience a scenic out and back half marathon on the flat and smooth Dahlgren Railroad Heritage Trail. Enjoy a unique post race campfire with roasted donuts and earn a custom finisher medal.
A Winter Trail Series event at Soaring Eagle Regional Park on January 16, 2027 offering 5 mile and Half Marathon courses on rolling, technical singletrack with multiple aid stations.
A community race in Clarkesville, Georgia featuring the Hogpen Hill Climb 18K and shorter 5K events. Proceeds support Habitat for Humanity of Northeast Georgia's operating costs and housebuilding efforts.
A half marathon and a 5K at Harwoods Mill Park in Yorktown on January 17, 2026, with shuttle parking from McReynolds Athletic Complex. Limited fields, four aid stations, on-site packet pick-up and specific trail conditions.
A supported point to point mountain training run of 32 miles that follows much of the first third of the MMT 100, with two aid stations, required car shuttle, limited club support, and recommended GPX and turnsheet navigation.
Trail races in Jackson GA with marathon, half marathon and 5K on mostly single track trails; t shirts, medals, aid stations, and proceeds benefit Dauset Trails.
Multi-distance trail event at Estrella Mountain Regional Park with routes through the Sierra Estrella foothills, from 5 miles up to 100 miles on mixed desert surfaces.
A three-race trail running series in San Angelo with events at Middle Concho Park, Twin Buttes Reservoir, and San Angelo State Park. Distance choices include 5K, 10K, 12K and 15K, with both series and single-race entry options.
A January trail event in Gibsonville, NC offering a 13.1 mile half with two river crossings, a 5 mile race, ruck divisions and virtual options. The race includes chip timing, on-course support, a hoodie and finisher medal.
Tsali Ultra is a winter trail event in Bryson City NC offering 8K, 30K, and 50K races. The 50K runs in conjunction with the NC USATF 50 km Trail Championships and aid stations are mostly cupless so bring a container.
A chip timed 5 km run and walk at Masaryk Winery in Masaryktown, Florida on January 16, 2027, with a helper registration option, race items including a t-shirt and wine glass, and results posted online by J3 Timing.