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 70
- 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 111
- 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
Trail races on September 26, 2026 in Tollgate OR with 23 mile, half marathon, 11K and 7K courses on the Umatilla Rim Trail.
Ultrapalooza in Osawatomie KS offers distances from 5K to 100 Miler on the Flint Hills Trail with stocked aid stations, drop bag service and pacer rules.
Trail races of 15 Miler, 45K and 50 Miler through Manistee National Forest in Big Rapids MI on September 26, 2026.
Trail race at George Wyth State Park near Waterloo, IA offering 13K and 25K runnable single track, limited aid stations, race photos, awards and finish line food.
Rogue XC in Talent, Oregon features a 5K cross country course over wood chip trail, grass and a small hill. A free elementary mile for runners 12 and under is included and the event supports Talent Middle School Cross Country.
Sky Island in Fort Davis Texas on 26 September 2026 features trail races on single track West Texas trails. Distances include 31 miles, 17 miles and 9.5 miles, with lodging options at Prude Ranch and Indian Lodge.
A Backyard Ultra in Eads, TN where runners repeat a 4.167 mile loop each hour until one champion remains, with a single top award and finisher medals.
A community fitness festival at Hays Farm Park in Huntsville on September 26, 2026. It features a certified half marathon, a timed 5K, a 1 mile community run, a short bike ride, pop up classes, vendors, and door prizes.
A 30K trail race in Cincinnati run as three laps of a 10K loop, featuring meadows, wooded trails and notable elevation gain. Finishers receive a medal and 30K entrants receive a finisher t-shirt; walkers are welcome.
A clothing optional 5K at Oaklake Trails in Depew, OK, with park entry, pre-race refreshments, and a keepsake magnet; first-time or long-time-away visitors must complete a background check before arrival.
A multi-distance trail running festival on September 26, 2026 at the American Birkebeiner Trailhead in Cable, WI, featuring marathon, relays, half marathon, a new 10K, Nordic Trek, 5K, and kids races over mixed trail terrain.
An in-person event on September 26, 2026 in Brunswick, MD featuring a trail-based 5K and timed 3-hour and 6-hour challenges on a 5 mile loop. Proceeds support Brunswick High School Track and Field equipment.
Community 5K, 10K and one-mile run/walk in downtown Jacksonville on September 26, 2026, organized to raise funds for the Emerald Trail.
Experience the extensive single track trails of the Boise Foothills in this premier trail event. Runners can choose between 50 mile, 50K, and 27K distances starting from Fort Boise.
A two-day trail and bike event in Estes Park featuring 31-mile bike and run options, a 15-mile heavy half, and a 62-mile duathlon, with rugged trails, significant climbs, and aid stations supporting competitors.
A multi-loop trail event in Dixon IL using a roughly 7.85 mile loop with distances from 8 miles to 100 miles across singletrack, meadow, and gravel surfaces.
25K and 50K trail ultras on Mt. Wilson in the Angeles National Forest, featuring technical single track, regular aid stations, and significant elevation gain.
A high altitude trail half marathon near Telluride on September 26, 2026, covering about 13 miles of mostly singletrack through aspen woods, finishing in town with stocked aid stations and required alpine gear.
A point-to-point half marathon at Twin Lakes near Bridgeport, CA, featuring mountain elevations, three aid stations, shuttle service, and proceeds benefiting Bridgeport Elementary School.
Trail race in Simi Valley on Sept 26, 2026 offering 50K, 30K and 15K courses through Rocky Peak, Las Lljas and Tapo Canyon.