United States
- Alabama 47
- Alaska 17
- Arizona 99
- Arkansas 27
- California 339
- Colorado 133
- Connecticut 46
- Delaware 8
- District of Columbia 11
- Florida 134
- Georgia 104
- Hawaii 3
- Idaho 23
- Illinois 83
- Indiana 59
- Iowa 38
- Kansas 34
- Kentucky 42
- Louisiana 29
- Maine 32
- Maryland 60
- Massachusetts 50
- Michigan 109
- Minnesota 53
- Mississippi 16
- Missouri 69
- Montana 32
- Nebraska 17
- Nevada 31
- New Hampshire 43
- New Jersey 54
- New Mexico 28
- New York 152
- North Carolina 124
- North Dakota 1
- Ohio 107
- Oklahoma 28
- Oregon 68
- Pennsylvania 176
- Puerto Rico
- Rhode Island 11
- South Carolina 54
- South Dakota 11
- Tennessee 68
- Texas 180
- Utah 81
- Vermont 31
- Virginia 149
- 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 3819 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
An informal, no-fee 45 mile loop around Flagstaff that requires self-navigation with a GPX file. Participants must bring assigned food or drink contributions and be prepared to carry most of their own supplies.
Trail race in Lynchburg featuring a 13.1 mile half marathon and a 3.1 mile 5K at Hydaway Outdoor Center, with awards, finisher prizes, and race shirts.
Community 5K and a 0.5 mile youth run at Pitney Meadows Community Farm on October 10, 2026. The mixed surface, spectator friendly course runs on grass and stone dust and raises funds for the farm's programs.
A ranch based 5K near Wheatland WY over pavement, gravel, two track and pasture terrain with proceeds supporting the Marge Cares Foundation and Wheatland Cross Country Team.
A community-hosted 5K run or walk at Wild River State Park in Center City, Minnesota, held each year on the second Saturday in October. Registration opens in July and the course may change depending on trail conditions.
A community 5K and 1 mile walk in Flower Mound supporting WINNING THE FIGHT, offering chip timing, age group awards, T shirt distribution, and pre race packet pickup.
An annual 5K road and trail run in Macon, Georgia on October 10, 2026 supporting the Masonic Home of Georgia. The entry-level course crosses tree-covered rolling hills on the campus and includes a commemorative race t-shirt.
Annual mud run in San Bernardino with a 5K for individuals and teams and a 1K kids race on October 10, 2026.
A community 5K at Duke Island Park on October 10, 2026, run on a flat, paved trail alongside the Raritan River. Proceeds support Family & Community Services of Somerset County, which provides mental health and addiction services.
A one-day trail running festival at Bluff Creek Park offering 5K to 50K distances on singletrack trails with aid stations and finisher medals.
A scenic 5K through the carriage roads of Rockefeller State Park Preserve with hilly terrain, Swan Lake views, awards, t shirts and proceeds supporting carriage road maintenance.
Trail 5K and 10K at Chino Hills State Park on October 10, 2026. Registration runs April 6 to August 15 and includes race photos, a shirt and a finisher patch.
A community Breast Cancer Awareness 5K at Hart Park in Bakersfield on October 10, 2026, featuring a scenic park course and post-race food, music, sponsor booths, and giveaways. Registration includes a performance T-shirt, finisher medal, meal, and bi..
A 6 hour trail challenge in Herriman, Utah where runners repeat a 5K every hour and must finish each lap within the hour to continue. Complete all six laps for a medal, leaderboard ranking, and a chance at national prizes.
A 5K run and walk at the Iowa Arboretum & Gardens on October 10, 2026, with dog friendly participation, packet pickup, and post-race refreshments.
A 5K and 1 mile fun run through sunflower fields at Fausett Farms in Dawsonville, GA on October 10, 2026, with snacks, a shirt, and a post-run biscuit.
Black Sheep Race in Bellevue NE on October 10 2026 features 10K Ruck, 10K, 5K and a family 1 mile, with packet pickup and race swag included.
First annual 5K on October 10, 2026 at North Clackamas Park Complex in Milwaukie on a flat mostly paved course with proceeds supporting local nonprofits.
An untimed, family friendly 5K style event at Discovery Intermediate School in Goddard featuring 11 inflatable obstacles across two laps with included shirt and medal.
A mountain backyard ultra in Estes Park with 4.167-mile loops every hour on trails beside Rocky Mountain National Park; last runner standing wins $1,000.