United States
- Alabama 56
- Alaska 17
- Arizona 110
- Arkansas 45
- California 363
- Colorado 137
- Connecticut 43
- Delaware 14
- District of Columbia 15
- Florida 176
- Georgia 102
- Hawaii 9
- Idaho 15
- Illinois 74
- Indiana 73
- Iowa 34
- Kansas 36
- Kentucky 72
- Louisiana 33
- Maine 28
- Maryland 67
- Massachusetts 63
- Michigan 105
- Minnesota 48
- Mississippi 16
- Missouri 67
- Montana 34
- Nebraska 21
- Nevada 26
- New Hampshire 30
- New Jersey 73
- New Mexico 27
- New York 148
- North Carolina 167
- North Dakota 2
- Ohio 98
- Oklahoma 40
- Oregon 85
- Pennsylvania 193
- Puerto Rico 1
- Rhode Island 10
- South Carolina 71
- South Dakota 6
- Tennessee 74
- Texas 247
- Utah 67
- Vermont 22
- Virginia 152
- Washington 130
- West Virginia 30
- Wisconsin 70
- Wyoming 8
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 4124 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
Trail runs near Bear Valley and Lake Spaulding with a 50K and a 24 mile option. The 50K includes a summit loop with about 5,700 ft of gain, rocky sections on Signal Peak OHV Road, cupless aid stations, and finisher medals.
A technical 13.1-mile trail half marathon in Steele Creek Park with over 2,000 ft of climbing, limited to 100 runners; proceeds support park trail improvements.
Multi-day Spartan obstacle weekend at Nevada State University near Las Vegas with Sprint and Super races, kids events, workshops, Hurricane Heat formats, and spectator access.
A 100-mile endurance run through the San Gabriel backcountry with an updated out-and-back course from Loma Alta Park, official training runs, and pre-race logistics the day before.
Trail races from 15K to 50K around Moab, Utah on October 3, 2026, with red rock scenery, cup-less aid stations, and free participant camping.
A marathon and half marathon through scenic Leavenworth, Washington, featuring riverfront trails, Icicle Canyon, an Enchantment Park finish, USATF Boston Qualifier certification, and on-course aid and medical support.
Obstacle course weekend at Neal Farms near Nashville featuring Sprint, Super, kids races, an obstacle workshop, and Hurricane Heat endurance events.
Trail races in St. Croix State Park on October 3, 2026, offering 11K to 100K distances, camping, food, and a historic fire tower climb.
Perpetua Coast is a trail race weekend in Yachats, Oregon on October 3 and 4, 2026 offering 50K, 20 mile, half marathon and 10K courses along Cape Perpetua coastal trails.
A last person standing trail race on Hamilton Island in the Columbia River Gorge where runners repeat a 4.13 mile loop each hour and must finish each loop in under 60 minutes to continue until one runner remains.
A timed loop running festival in Damascus Town Park offering 3 hour, 6 hour and 12 hour races on a scenic one mile loop, with camping for registered runners, live music, food trucks, aid stations, and awards.
A 30 hour loop ultrarun in Roosevelt Forest CT on 2.5 mile laps offering distances to 100 miles with a finisher buckle and a single pavilion aid station.
Take on a 10 mile intown trail through shaded pine and hardwood at Southside Park in Atlanta on Oct 3 2026, with twisty singletrack, steep descents and creek crossings. Proceeds support MTB Atlanta and local trail stewardship.
Looped trail races at Tryon Farm in Michigan City offering 2 mile, 4 mile, 8 mile, 25k and 50k options on mixed terrain with aid stations.
Trail races at Swiss Valley Nature Preserve in Peosta IA offering 5.2 mile, 25K and 50K options on a hilly loop with camping and shuttles.
A 103 mile out and back ultra and an inaugural half marathon in Export, PA on Oct 3, 2026, using the Westmoreland Heritage and West Penn trails.
The Hellbender 10K in Norton, VA is a 10 km road race on October 3, 2026 that climbs more than 2,000 ft to the 4,200 ft High Knob summit.
Two days of mountain running in North Bend, WA, featuring a vertical kilometer, a 30k championship with prize money, a 10k, a double option, and a full-day adventure expo.
A point to point trail ultramarathon along the Hennepin Canal State Trail in Illinois, with 100 mile, 50 mile, 50K and a 100 mile relay.
Trail Half Marathon in Slade, Kentucky featuring a 13.1 mile loop in the Red River Gorge with commemorative shirt, medal, awards and on-site amenities.