United States
- Alabama 46
- Alaska 17
- Arizona 99
- Arkansas 27
- California 341
- Colorado 132
- Connecticut 45
- Delaware 8
- District of Columbia 11
- Florida 138
- Georgia 106
- Hawaii 3
- Idaho 23
- Illinois 84
- Indiana 59
- Iowa 41
- Kansas 35
- Kentucky 42
- Louisiana 29
- Maine 32
- Maryland 60
- Massachusetts 50
- Michigan 109
- Minnesota 53
- Mississippi 16
- Missouri 69
- Montana 32
- Nebraska 18
- Nevada 31
- New Hampshire 43
- New Jersey 53
- New Mexico 28
- New York 154
- North Carolina 124
- North Dakota 1
- Ohio 108
- Oklahoma 28
- Oregon 68
- Pennsylvania 178
- Puerto Rico
- Rhode Island 11
- South Carolina 54
- South Dakota 12
- Tennessee 68
- Texas 180
- Utah 81
- Vermont 31
- Virginia 147
- Washington 108
- West Virginia 25
- Wisconsin 71
- Wyoming 12
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 3840 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
13.6 miles in the Marin Headlands on October 24, 2026 with 2,156 ft of climbing, coaching support, childcare grants, and a $25,000 prize purse.
Field Fest features a 5K trail run and a kids one mile fun run at the University of Mississippi Field Station with food trucks, music, science activities, and fundraising for the University Research Foundation.
A community fundraising event in Newnan featuring a 10K, 5K and 1-mile fun run to support the Piedmont Newnan Fitness Center; proceeds help expand local fitness and wellness programs.
A fall event at Warlick Family YMCA with a 5K trail run and a 1 mile fun run on the Sytz Family Trail System plus a family friendly party zone.
An evening community event in Sebastian combining a 5K on the rail trail with a haunted trail and trunk or treat, raising funds for counseling and peer support for local first responders.
A costume 5K and 1 mile fun run through the woods of Poricy Park on October 24 2026 raising funds for 180 Turning Lives Around.
A trail race weekend at Hueston Woods State Park on October 24 and 25, 2026, with distances from 5K to 50K, a 6 hour event, and multi-loop courses on mixed terrain. Participants receive medals, bibs, aid stations, and published results.
A cross-country meet at Radke Martinez Regional Shoreline on October 24, 2026 with three 4.1 mi races over grass, dirt, and path terrain.
A Halloween-themed race day at Pacific Community Park featuring youth and community 2k–5k courses on grass and compact trail, with medals and holiday prizes.
A nighttime trail event on the Lawrence River Trails offering 5K and 10K loop courses with themed spooky elements, required personal lights, aid stations, wooden finisher medals, and family-friendly age rules.
An October fundraiser offering a global virtual challenge plus an in-person event at San Francisco’s Ferry Building. Multiple distances from 5K to 50K are available; some courses are unmarked and maps are provided. Proceeds support the Breast Cancer..
A community 5K run and kids fun run in Massapequa Park on October 24, 2026, with a mixed trail and paved course and proceeds supporting officer mental health programs.
A Halloween themed timed trail event at Turtle River State Park offering solo and team 6, 12, and 24 hour formats plus a one-lap 10K, capped at 100 runners.
A Halloween-themed run at Massacre Rocks State Park along the Snake River with costume prizes and a mixed surface out and back course.
A backyard ultra at Luvin Arms Animal Sanctuary on Oct 24–25, 2026 with hourly 4.167-mile loops on mostly flat dirt, grass, and gravel plus on-site race camp and cupless aid.
Night trail race at Oak Flats on October 24, 2026, roughly 10 miles of singletrack with required headlamps, volunteers on course, and two limited water stops.
Trail race at 1North Adventure Trails in Shreveport on Oct 24, 2026 offering multiple distances from 15K to 100K plus a 15K ruck on dirt single track.
A 12-hour endurance race in Mena, AR where runners must complete a 3.22-mile loop each hour for up to 12 rounds, with remaining runners racing head-to-head in the final round.
Run from Dryden Creamery along the Dryden Rail Trail with timed 5k options, costume awards, family pricing, and a finisher's treat.