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
A fall trail marathon near Huntsville AL offering marathon, half marathon and 10K distances with a hooded sweatshirt, finisher medal and post race meal.
Oct 18, 2026 in Spring Grove: run through a corn maze and farm with 10K, 5K including a 250 turn maze option and a 1 mile Family Adventure, plus finisher medals.
A scenic 5K trail and road run along the Red Cedar River in Williamston on October 18, 2026, with tiered entry fees, a guaranteed t-shirt for early entries, an inaugural finisher medal, and proceeds supporting the St. Louis Center.
Community trail event at Camp Barnes in Frankford, Delaware offering 6.2 and 3.1 mile runs, 1 to 3 mile family walks, and a Kiddie Color Run. Post race lunch and live bluegrass music support Mariners Bethel youth ministries.
Experience a trail run through the rolling hills of Kanawha State Forest with 13.1 mile and 7K options. This event features forest roads and wooded routes as part of the unique Cryptid Race Series.
Explore the scenic trails of 100 Acre Woods in Malta, New York. This community event on October 18, 2026 features 2k, 3k, and 5k trail runs. All proceeds support local trail maintenance.
Experience the wilderness trails of Deerfield Town Park with a variety of trail races for all ages. Enjoy a professionally timed 5K or a community run while supporting the local food pantry in your favorite running costume.
Looped trail races at Glenn Cunningham Lake in Omaha offering 5 mile, 10.5 mile, 21 mile, 50K and a 50 mile option. Two buffet style aid stations support runners and registration for 2026 is open with a 500 runner cap.
A trail race in Missoula that starts and finishes near the university, climbing multiple summits with 8,000+ feet of vertical ascent. Routes circumnavigate the Pattee Creek Watershed and include under two miles of pavement.
A themed charity run and community festival on October 18, 2026 in Downtown Roseville, CA, supporting the bleeding disorders community. The day includes a timed 5K, a one mile walk, festival food, carnival games, and a remembrance ceremony.
Trail running event in Windham, ME offering a 50k of five 6.5 mile loops and a single-loop 10k with aid stations and volunteer support.
An off‑road 50K around Guilford, CT on rocky single track and rolling forest roads, with aid station cutoffs and recommended marathon-level experience.
An October trail run at the Black Hawk Unit of the Lower Wisconsin State Riverway, organized by volunteers. Proceeds support local conservation groups and the event posts results and photos after the run.
Trail and 5K races at Hillside Park on October 18, 2026, benefit a free mammography program. A kids fun run for ages 5 to 12 is included, with chili and vegetarian food and timing by Compuscore.
Trail, mountain bike and gravel races in Doña Ana County on October 18, 2026, offering multiple distances and age group prizes.
The 4th annual Chesterfield FALL Terrain 5K at Fenton Lane Park on October 18, 2026 features a 5K run/walk and a 1 mile Fun Dash, supports local charities, offers custom race shirts and age group awards.
A multi-distance in-person and virtual run along the Coastal Trail in Half Moon Bay that raises funds for Senior Coastsiders' programs for older adults.
A donation supported 5.25 miles trail race at Gunpowder State Park with a steep opening climb, single track sections, and on site race day registration.
Hopson Trail Runs in Honeoye offers scenic fall trail routes of 5K and 9K through WoodsEdge Retreat and Sandy Bottom Park. The event supports Embrace Your Sisters and includes a post race gathering at Birdhouse Brewery with music and a complimentary..
A chip timed 5K and an untimed 1 mile fun walk at GE Park in Bloomington on October 18, 2026, raising funds for BN Sunrise Rotary Youth Services and the CCHS Rotaract Club. Awards include ceramic steins for top 5K age group finishers.