United States
- Alabama 56
- Alaska 15
- Arizona 109
- Arkansas 44
- California 356
- Colorado 132
- Connecticut 39
- Delaware 16
- District of Columbia 14
- Florida 176
- Georgia 97
- Hawaii 9
- Idaho 12
- Illinois 69
- Indiana 70
- Iowa 31
- Kansas 34
- Kentucky 71
- Louisiana 32
- Maine 26
- Maryland 72
- Massachusetts 55
- Michigan 113
- Minnesota 48
- Mississippi 15
- Missouri 64
- Montana 37
- Nebraska 26
- Nevada 28
- New Hampshire 30
- New Jersey 74
- New Mexico 27
- New York 138
- North Carolina 165
- North Dakota 2
- Ohio 94
- Oklahoma 46
- Oregon 79
- Pennsylvania 175
- Puerto Rico 1
- Rhode Island 8
- South Carolina 68
- South Dakota 7
- Tennessee 72
- Texas 243
- Utah 68
- Vermont 22
- Virginia 141
- Washington 131
- West Virginia 30
- Wisconsin 69
- Wyoming 7
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 4030 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
Evening 5K series in Phoenix with three chip timed races, medals, age group awards and a virtual option supporting Child Crisis Arizona.
A Halloween obstacle run in Salt Lake City where actor zombies chase participants across a themed course and flags represent three survivor lives.
A fall 5K and 1 mile run/walk on October 16 in Socorro, NM, with proceeds supporting the Socorro High School Cross Country team.
An annual trail event at Eagle Mountain Park with rugged, elevated dirt trails, self-timed running and hiking options, pancakes, shoe demos, and a youth hike led by Girl Scouts.
Ruff Run California on 10/17/2026 in Phelan, CA presents a 20 acre obstacle course for people and their dogs with over 20 obstacles, 4K and 1K options, and an after party with music, games and vendors.
Obstacle course weekend at Twin Canyons Ranch near Granbury Oct 17 to 18 with races from 5 km to 50 km, kids events, and an obstacle workshop.
Indian Creek Trail Runs in Sedalia, Colorado on October 17, 2026 offers multiple trail and ultra distances through montane forests, aspen groves, red rock formations and prairie vistas with city views from several viewpoints.
Trail run at Saw Wee Kee Park on October 17, 2026, over soft, twisting trails with variable footing. Bib-timed waves, part of a four-race series with collectible medal pieces and seasonal swag.
A multi-distance running event on the Cahuilla Indian Reservation near Anza CA featuring a 2-mile loop, fixed-time races and a 100 mile option with fundraising for the Cahuilla Band.
Trail event near Page, Arizona with 50 mile, 55K and half marathon courses that visit Horseshoe Bend, Antelope Canyon, and offer Lake Powell views.
Timed trail races of 6, 12, and 24 hour durations at St. Patrick's County Park in South Bend with park amenities and proceeds to the ALS community.
Trail half and full marathon at Trapp Family Lodge in Vermont, featuring winding single track, a climb to Round Top, and about 3800 ft total elevation for the full distance.
A timed Backyard Ultra on a paved 4.167 mile loop along the Jordan River with 4, 8, and 12 hour options, live lap timing, and finisher medals.
Charity trail event in Cool, CA offering 5k, 10k and a trail half marathon with proceeds supporting Georgetown Divide youth programs and Camp Taylor scholarships.
Timed running and rucking events in Whittier NC on a 1.4 mile loop with mountain views and on site lodging.
Trail festival at Piedras Pintadas Trailhead in San Diego offering races from a 1 mile kids run to a 50K, plus a Run Bike Run trail duathlon.
Trail running at Vasquez Rocks Natural Park in Aqua Dulce, CA with 13.9 mile, 15K, 10K and 5K race options on October 17, 2026.
Trail races at Medoc Mountain State Park feature 10 mile and 5 mile loop courses on marked single track with stocked aid stations, race swag, post-race food, and awards.
Monster Dash is a trail 5K at Carolina Beach State Park on October 17, 2026. The day includes a cross country meet for teams and the event raises funds for young runners.
Multi distance ultramarathon in Tahlequah Oklahoma with races from 10 miles to 100 miles, a gravel bike event, frequent aid stations and riverside scenery.