Trail Running Calendar United States 2026-2027

Experience the natural beauty of Dubuque with trail races through the Mines of Spain Recreation Area. Enjoy distances ranging from 4 miles to a half marathon followed by a post race party with brick oven pizza and local beer.

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.