United States
- Alabama 53
- Alaska 15
- Arizona 105
- Arkansas 43
- California 349
- Colorado 132
- Connecticut 37
- Delaware 15
- District of Columbia 14
- Florida 173
- Georgia 91
- Hawaii 9
- Idaho 12
- Illinois 66
- Indiana 63
- Iowa 27
- Kansas 33
- Kentucky 68
- Louisiana 32
- Maine 22
- Maryland 69
- Massachusetts 50
- Michigan 98
- Minnesota 43
- Mississippi 14
- Missouri 62
- Montana 36
- Nebraska 24
- Nevada 25
- New Hampshire 24
- New Jersey 70
- New Mexico 25
- New York 132
- North Carolina 155
- North Dakota 2
- Ohio 86
- Oklahoma 46
- Oregon 74
- Pennsylvania 156
- Puerto Rico 1
- Rhode Island 9
- South Carolina 64
- South Dakota 6
- Tennessee 68
- Texas 235
- Utah 63
- Vermont 19
- Virginia 140
- Washington 130
- West Virginia 27
- Wisconsin 62
- Wyoming 5
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 3825 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
Member only Grand Prix Cross Country 5K on October 13, 2026 at Marist School in Atlanta; registration for the 5K is full.
Five weekly themed trail races in Cuyahoga Valley National Park from Sept 29 to Oct 27, 2026, with 3–5 mile courses and series swag.
Low-key evening trail series in Forest Park with three five race seasons, 4 to 7 mile courses, standings for regular participants, and a post season awards party.
Women focused trail running event on October 15 2026 in Gatewood MO at Fourche Creek Retreat with a listed entry fee of US$1564.63 and registration closing October 1.
Group trail run meeting at Other Brother Beer Aptos in Aptos, CA, with after work routes in Nisene Marks State Park or Seacliff; bring a headlamp and ID for beverages.
Trail ultramarathon in Dubuque, Iowa offering 100 mile and 100 kilometer races on an approximately 20 mile course through bluffs, prairies, and forests.
Multi-distance trail races through single track timber, riverside paths and creeks at Willenborg Woods in Charleston, IL on October 16 and 17, 2026.
A three-day running festival in Bethlehem, PA offering trail, 5K, 10K, half marathon and a three-person relay, presented by Jefferson and benefiting the American Cancer Society.
Trail races from 5K to 50K at Silver Falls State Park Oct 16 to 18, 2026; registration open Aug 1 to Oct 10 with limited entries.
Multi-race weekend in Glencoe KY featuring an 800 m kids run, a 5K trail and a last runner standing mini ultra, held October 16 to October 20, 2026.
An ultramarathon in western Utah on the historic Pony Express Trail, offered at 50 and 100 miles on 100 percent dirt roads. The route is remote and crew supported with timing checkpoints and simple on course facilities.
Night trail races at Cave Creek Regional Park offering 33K, 22K, 11K and 5K on rolling desert single track with stocked aid stations and live tracking.
Three-day 60 mile trail stage race around Chattanooga with daily stages of 22, 18, and 20 miles, organized by Wild Trails.
An in-person endurance event of twelve four mile legs run every four hours over 48 hours, with an optional two mile add-on for a 50 mile total.
Test your endurance at Autumn Lake Winery with a unique hourly 5 km challenge. Choose from 6, 12, or 24 hour individual and relay events across trails and vineyards in Williamstown.
Trail races at Flat Rock Ranch in Comfort, TX on October 16-17, 2026 offering a single loop and timed 6H and 24H ultra options amid hill country trails and camping.
Team trail relay at Flat Rock Ranch near San Antonio on October 16 and 17, 2026 with 121 miles of course, camping options, village activities, and multiple team formats.
Run a 5K through the private 157 acre Rochester Rotary Sunshine Camp on a mix of dirt trails and paved paths. Enjoy the post race Beer Fest and support accessible camping for children with disabilities.
Evening 5K series in Phoenix with three chip timed races, medals, age group awards and a virtual option supporting Child Crisis Arizona.