United States
- Alabama 47
- Alaska 23
- Arizona 102
- Arkansas 26
- California 338
- Colorado 136
- Connecticut 47
- Delaware 9
- District of Columbia 11
- Florida 134
- Georgia 107
- Hawaii 2
- Idaho 21
- Illinois 87
- Indiana 62
- Iowa 43
- Kansas 34
- Kentucky 43
- Louisiana 26
- Maine 32
- Maryland 60
- Massachusetts 54
- Michigan 114
- Minnesota 60
- Mississippi 16
- Missouri 72
- Montana 37
- Nebraska 16
- Nevada 31
- New Hampshire 45
- New Jersey 54
- New Mexico 27
- New York 157
- North Carolina 129
- North Dakota 1
- Ohio 110
- Oklahoma 27
- Oregon 70
- Pennsylvania 178
- Puerto Rico
- Rhode Island 12
- South Carolina 56
- South Dakota 10
- Tennessee 66
- Texas 177
- Utah 88
- Vermont 35
- Virginia 149
- Washington 109
- 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 3910 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!
August 2026
A six person relay near La Grande OR covering about 80.6 miles with 6000 feet of elevation gain across highway, gravel roads and a ski resort trail finish.
Experience the beauty of Mission Canyon during the Swift Bear Trail Run in Hays Montana. Choose between 10 mile 20 mile or 50K distances featuring mountain loops and varied terrain during the annual Hays Powwow.
Run or walk 5K, 10K, or a half marathon on scenic routes at Third Winchester Battlefield in Winchester, VA on August 8, 2026.
A nighttime trail running event at Reveille Peak Ranch in Burnet Texas on August 8 2026 offering 5k through 60k distances plus a youth run; the route includes technical single track, rock domes and 3812 ft of elevation gain.
Final leg of the 13th Arizona Sunrise Series at Riparian Preserve featuring a chip timed 5K, a virtual option, medals, age group awards and a mixed gravel and concrete course.
Obstacle and mud focused 5K at Lost Lake Entertainment Complex in Oklahoma City on August 8, 2026 with pre race and finish line festivals and multiple registration packages.
Trail Animals Running Club holds 10M, 50K and 40M trail races on a mostly forested 10-mile loop at Noon Hill Reservation in Medfield MA.
Run The Skyline is a trail running event on August 8, 2026 offering multiple race distances from a half marathon up to 55K. It features separate race pages, a registration option, and an entrants list.
Time based trail running at Skyline Wilderness Park in Napa where participants run as far as they can in 3 hour, 6 hour, or 12 hour formats on a 4.16 mile loop.
High Sierra trail event near Kit Carson, CA offering a 50K plus shorter looped races, 7,700 ft of climbing, marked courses and aid stations.
A trail race weekend in Cooke City, Montana with 50k, 30k and an 80K option set among mountain scenery and historic mining sites on 8/8 to 8/9/2026.
Follow the path of a historic outlaw on this mostly downhill point to point race. Run through the Sawtooth National Forest on a mix of rugged jeep trails and ten miles of single track forest paths.
A trail run fundraiser in Poultney, VT featuring a half marathon, an 8K, and a kid's fun run on wooded single-track trails, with proceeds supporting Slate Valley Trails.
A loop ultrarunning event at Kennekuk Cove County Park with 3.25 mile laps, aid stations, camping, shirts and swag bags, and four hour and eight hour runner and walker options. Field limited to 250 participants.
Multiple loop trail races in Lewis Center OH on August 8 2026, with 7K to 26K options, marked loops along Alum Creek Reservoir, finisher amenity and awards.
A pasture-based fundraiser at Musk Ox Farm in Palmer offering 1K kids, 5K and 10K courses plus a virtual option with views of musk oxen and nearby mountains.
A trail running event on Aug. 8, 2026 in Gilroy, California through redwood groves and peak viewpoints. Distances include a 5K, 10K and half marathon with significant elevation gain, and proceeds support youth scholarships.
A community ultramarathon format that invites running a 5K each hour up to 50K while raising funds for the Children’s Minnesota Kids Cancer Fund; virtual participation and family-friendly options are available.
A historic Flagstaff race on August 8 with half marathon, 5K and Kid's Dash options on Observatory Mesa. Proceeds support Big Brothers Big Sisters of Flagstaff and participants receive shirts, photos and medals.
A cross country 5K and a 0.5 mile kids fun run at South Range High School in Canfield Ohio with finisher medals, event shirts, and awards for top overall and age group finishers.