United States
- Alabama 47
- Alaska 22
- Arizona 104
- Arkansas 27
- California 344
- Colorado 137
- Connecticut 46
- Delaware 9
- District of Columbia 11
- Florida 135
- Georgia 107
- Hawaii 3
- Idaho 25
- Illinois 87
- Indiana 62
- Iowa 43
- Kansas 34
- Kentucky 43
- Louisiana 29
- Maine 33
- Maryland 60
- Massachusetts 51
- Michigan 114
- Minnesota 58
- Mississippi 16
- Missouri 72
- Montana 37
- Nebraska 18
- Nevada 31
- New Hampshire 45
- New Jersey 54
- New Mexico 28
- New York 154
- North Carolina 129
- North Dakota 1
- Ohio 110
- Oklahoma 28
- Oregon 71
- Pennsylvania 179
- Puerto Rico
- Rhode Island 11
- South Carolina 56
- South Dakota 11
- Tennessee 69
- Texas 181
- Utah 86
- Vermont 34
- Virginia 149
- Washington 111
- West Virginia 25
- Wisconsin 73
- Wyoming 14
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 3935 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
A fall weekend of trail running and camping in the Sawtooth Backcountry, staged from Foggy Dew Campground with guided routes, glamp style camp amenities, shuttles, and three distance options.
Three day trail running retreat in Zion National Park with group runs, hotel, park fees, lunches and van transport; limited to 22 participants.
A 5K trail run on Bella Rose Vineyard grounds in Lewiston with a stemless wine glass and complimentary wine tasting for participants 21 or older. The event features professional timing, finish line photos, music, and on site parking.
Trail races at Freedom Hills in Sugarcreek on September 25 feature a 10K, 5K and Kid's Run with on-site food and a packet pickup the day before. A separate Ultimate Challenger endurance event follows the next day.
An urban event in downtown Los Angeles with a stair climb up 1,664 steps at the U.S. Bank Tower, an Urban Hike past major cultural sites, a Heroes Challenge category, and a virtual participation option.
An on campus 16th annual event in Oxford Michigan offering a 5K run or walk, a 5K obstacle course, and a virtual 5K. The course uses trails, meadows and hills and includes chip timing, prizes, and finisher medals.
This self supported 36 hour event in Casper features a 3 mile out and back loop on the Platte River Trail. Participation is free and limited to 10 runners who manage their own supplies and tracking.
Obstacle-course weekend at Badlands Off Road in Attica IN on Sep 26 and 27 2026 featuring Sprint, Super, Beast, kids races and spectator access.
An obstacle course race weekend at Lake Elsinore Raceway with Sprint, Super, kids races, Hurricane Heat events, and spectator access on Sep 26-27, 2026.
A one-day mountain challenge covering five peaks around Westmore, Vermont, with a full route of 26 miles and about 6,142 feet of gain. The course has staffed water and aid stations, limited entry to protect trails, and on-campus camping.
A multi distance trail and ultramarathon festival on the Rainbow Trail near Westcliffe, Colorado on September 26 and 27, 2026, featuring races from 8 miles to 100 miles, aid stations, drop bags, camping, and defined crew and volunteer rules.
A community fundraiser at Westchester Lagoon on September 26, 2026, featuring 2K and 5K runs along the coastal trail to support Anchorage School District language immersion programs.
A mountain ultramarathon in Crested Butte, Colorado on September 26, 2026, offered in 35K, 55K and 50 mile distances. Courses run through Gunnison National Forest with single track trails, alpine meadows, cupless aid stations, and on course water dis..
Experience desert style single track and forest roads with views of the Collegiate Peaks in Buena Vista. Choose between 50k or 30k distances as part of the multi sport 14er Fest.
A 24 hour trail ultramarathon at Hinson Lake in Rockingham NC on a USATF certified 1.5032 mile loop featuring electronic timing, night chem light markings, a 500 runner cap and awards for 24 hour and 100 K finishers.
Experience the rolling hills and dense forests of Pennsylvania at the Marilla Reservoir. This event features off road courses ending at a historic covered bridge with proceeds supporting local trail maintenance and development.
A 3.1 mile trail event at Ascot Hills Park in Los Angeles with chip timing and views of Dodger Stadium and the Hollywood sign. Proceeds support the Wilson High School Fire and Police Magnet Cadet Program and Ascot Hills Park.
Trail event in Castro Valley featuring a 100k, 50 mile, and marathon with UTMB index status and firm time limits due to park permits.
Trail races at Clarkco State Park near Quitman, MS with 50K, 25K and 12.5K run on a 7.78 mile loop; on course aid and camping available.