United States
- Alabama 47
- Alaska 22
- Arizona 104
- Arkansas 26
- California 342
- Colorado 140
- Connecticut 46
- Delaware 9
- District of Columbia 11
- Florida 135
- Georgia 107
- Hawaii 3
- Idaho 25
- Illinois 88
- Indiana 62
- Iowa 43
- Kansas 34
- Kentucky 43
- Louisiana 28
- Maine 33
- Maryland 60
- Massachusetts 52
- Michigan 115
- Minnesota 60
- Mississippi 16
- Missouri 72
- Montana 37
- Nebraska 17
- Nevada 31
- New Hampshire 45
- New Jersey 54
- New Mexico 27
- New York 155
- North Carolina 130
- North Dakota 1
- Ohio 110
- Oklahoma 28
- Oregon 71
- Pennsylvania 181
- Puerto Rico
- Rhode Island 11
- South Carolina 55
- South Dakota 11
- Tennessee 69
- Texas 180
- Utah 86
- Vermont 34
- Virginia 149
- Washington 111
- West Virginia 26
- Wisconsin 74
- Wyoming 15
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 3941 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!
September 2026
Trail races of 10K and Half Marathon take place at Cane Creek Mountain Natural Area near Snow Camp NC. An optional 80 foot observation tower climb is offered at the end and non climbers receive a time penalty at an aid station.
High altitude trail races in Empire, Colorado offering 50K and 22K point to point courses with significant elevation gain and remote terrain.
Backyard ultra in Richland where runners repeat a 4.16667 mile loop each hour until one runner completes a final solo lap to win.
Trail ultraruns and a marathon along the Pine Creek Rail Trail near Wellsboro PA with crushed stone surface, canyon scenery, and abundant wildlife.
Scenic 5K and Half Marathon along the Chesapeake and Ohio Canal in Georgetown on September 12, 2026; virtual options and walkers accepted.
A community race day in Essexville on September 12, 2026 offering distances from a 9.11 mile run to a youth 1/4 mile, plus virtual options and a Public Safety Showcase, with proceeds supporting the Fraternal Order of Police Lodge 103.
A 12 hour trail run at Kings Mountain State Park in Clover SC featuring a 4.5 mile loop, lap-based racing, on-course aid and drop bag access, and views of Lake Crawford.
Trail races at Tilden Regional Park in Berkeley with distances from 10K to 50K, cupless aid stations about every 5–7 miles, and a 350-runner capacity.
Trail Sisters Women's Half Marathon and 10K in Buena Vista, Colorado, feature trail courses through sagebrush and ponderosa pines with views of the Collegiate Peaks, and offer both group and solo participation options.
Free, self supported looped trail event at Oak Flats Group Picnic Area in Tijeras NM offering 5k to 30k options on unmarked routes, register free on UltraSignUp.
Backyard Ultra in Noblesville, IN on Sept 12, 2026 featuring repeated 4.167 mile loops through Koteewi Park and a paved out and back until one runner remains.
Trail races through the Caney Fork and Scotts Gulf from Camp Latimer in Sparta, TN, featuring a 50 mile race plus 25K run and ruck divisions.
Trail ultramarathon in Cortland NY offering 100 mile, 100 mile relay, 50 mile and 50K options on steep, technical singletrack with significant climbing.
Five trail distances wind through Hocking Hills State Park around Old Man's Cave, Cedar Falls and Ash Cave, mostly on trail with notable climbs; registration runs from Feb 1 to Sep 10, 2026 and the event has a 750 entrant capacity.
An outdoor mud obstacle run near Redding, CA, with a just-under 5 km course through fields, hills and creek crossings. The family-oriented event includes vendors, children's activities, food, drinks and event swag.
A self supported 51.3 mile trail ultramarathon in Roslyn, WA with 10,100 to 11,300 ft of climb, minimal aid, required GPX navigation and mandatory satellite messenger.
A community wellness event at Sprague Brook County Park on September 12, 2026 featuring a 5K trail run and a 2 mile non timed walk, with proceeds supporting the Bread of Life Outreach Center and keepsake blankets for early registrants.
Timed ultrarunning event in Gig Harbor offering 24 hour, 12 hour day and night, and 6 hour races on a 2 mile loop with about 320 feet climb per lap.
A night trail event at Lake Mineral Wells Trailway near Weatherford offering 5K, 10K, half marathon and a 10K ruck with required headlamp and water carrying system.
A trail half-marathon event in the Green Swamp West Tract offering a run and a ruck division, aid station at the turnaround, finisher glassware, and a post-race potluck.