United States
- Alabama 46
- Alaska 17
- Arizona 99
- Arkansas 27
- California 341
- Colorado 132
- Connecticut 46
- Delaware 8
- District of Columbia 11
- Florida 138
- Georgia 106
- Hawaii 3
- Idaho 23
- Illinois 85
- 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
Experience a themed trail run through Cincinnati's French Shelter Park with options for a 5k or 10k distance. Participants enjoy costume contests and holiday activities while earning points toward a global series award.
Trail races at Brown's Woods in West Des Moines offering 5K, 10K and 15K on single and double track dirt, with proceeds supporting local trail organizations.
Trail races and festival activities at Oak Mountain State Park on October 31, 2026, including marathon, half marathon, 10K and a family Halloween hike.
A technical trail half marathon at Moreau Lake State Park covering about 14 miles with 2700 feet of climb, fully marked with one aid station near Bonita Lake.
A Halloween 3.5 miles trail run at Otahki Lake KOA on October 31, 2026 that raises funds for the Care Camps Foundation, with a limited event shirt, participation medal, snacks, and trophies for the top three finishers.
A trail event at Crystal Cove State Park on October 31, 2026 featuring a 4 mile loop with about 700 feet of climb per lap and ocean ridge views. The race is USATF sanctioned and part of the Southern California UltraRunner's Grand Prix Series.
A multi-distance trail event at LLELA in Lewisville, Texas featuring distances from a 1 mile youth run to a 100K ultramarathon, held October 31 to November 1, 2026, supporting local habitat restoration.
A 31 km night loop on the Javelina Jundred course at McDowell Mountain Regional Park with themed aid stations, a Jackass Junction party, and costume friendly night running.
Experience the final race of the Huaco Cuatro Trail Run Series in Waco. This event at Cameron Park features 5K and 15K trail distances along with a virtual option for participants.
Experience the historic Ice Age Trail during this autumn ultramarathon in the Southern Kettle Moraine Forest. Choose between 50k and 100k distances featuring on site branded wooden medals and scenic fall colors.
Trail races in Almaden Quicksilver Park from 5K to 50K over hilly dirt roads and single-track, with two staffed aid stations, drop-bag service for longer distances, and a finisher medal for all participants.
A 25 hour timed trail run at Camp Grier in Old Fort NC on Oct 31 2026, run on a 3.6 mile loop with aid stations, free tent camping and awards for top finishers.
A 10K trail race in Port Gamble, WA with single-track and dirt roads, about 600 feet of climbing, a costume contest, and awards including masters categories.
Race the Base Trail Run returns to Pinnacle Mountain State Park on October 31 2026 with a 13 mile Monumental Half, a 4 mile loop, and a free kids run. The event features technical single track, age group awards, and commemorative shirts for online re..
Trail races at Cougar Mountain Regional Wildland Park near Seattle offering 5k, 7.6 mile, 19.5 mile and 50k courses through forested single track, rolling hills and marshes. Proceeds support King County Parks.
A Halloween night trail event near Franklin TN featuring a roughly 1-mile haunted loop, trick-or-treat laps, costume elements, clothes-pin lap tracking, and a no-refund policy.
A Last Person Standing trail event near Wiggins, MS featuring repeated 2.08 mile loops every 30 minutes, on-course aid, crew and uncrewed tent options, and awards by mileage.
Oct 31, 2026 in Lake Wales FL a backyard ultra where runners complete a 4.167 mile loop every hour until one runner remains.
Trail races at Navajo Mountain High School featuring a 50K, 10-mile and 5K over dirt roads and trails, marked aid stations, awards, an afternoon community cook-out and rustic camping on school grounds.
A Halloween-themed ranch run near Sisters, Oregon with 5k, 5-mile, kids dash options, chip timing, costume contest, live music, and post-race non-alcoholic beverages.