Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 4003 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

An eight hour track event at Clapp Park in Pittsfield with a virtual option, chip timing, on course bottle drop aid, and age division awards. Proceeds support the AYJ Fund and several discount codes are available.

An 80.6-mile, six-person relay near La Grande, OR, featuring river-side highway sections, 20+ miles of gravel mountain roads, about 6,000 feet of elevation gain, and a finishing trail leg at the Anthony Lakes ski area.

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.

A running event at Third Winchester Battlefield on August 8, 2026 offering 5K, 10K and a Half Marathon. Virtual entries are available and walkers are welcome.

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.

Terrain Race in Oklahoma City is an obstacle and mud focused 5K at Lost Lake Entertainment Complex on August 8, 2026. The course features mud pits, walls, ropes and monkey bars and includes pre race and post race festival areas.

A trail event at Noon Hill Reservation in Medfield offering a 10 mile loop plus 50K and 40 mile ultra options, mostly singletrack with roots, rocks, and a scenic Noon Hill vista; proceeds benefit The Trustees of Reservations.

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.

A time-based trail event at Napa’s Skyline Wilderness Park with 12, 6, and 3 hour options plus relays, main loops of about 4.1 miles with 815 feet elevation per loop, and a short finishing loop for the final 40 minutes.

A high Sierra trail event at Horse Canyon Trail Junction offering 5.6M, 10.5M, 21M and 50K options across alpine loops. The course sits near 7,400 feet with two aid stations, limited field size, and variable mountain weather.

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.

Trail run and fundraiser in Poultney Vermont featuring an 8K, a half marathon and a kids fun run on singletrack and double track trails. Cup free aid stations offer refills, with awards, snacks and a post race raffle.

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.

Buckeye Sun Trail Runs in Lewis Center, OH on August 8, 2026 offers looped trail races from 7K to 26K on a marked 4.1 mile loop near Alum Creek Reservoir, with finishers amenities and awards for top finishers.

An annual fundraiser at Musk Ox Farm near Palmer, Alaska, featuring 1K kids, 5K, 10K and a virtual option. The unpaved course crosses 75 acres 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 fun run at Elm Creek Park on 8/8/2026 with an hourly 5K format that can add up to 50K. All registrations benefit the Children's Minnesota Kids Cancer Fund and a virtual option with mailed swag is available.

A long-standing Flagstaff event on August 8 featuring a half marathon, 5K and Kid's Dash on Observatory Mesa, commemorative medals and shirts, with proceeds supporting Big Brothers Big Sisters mentoring programs.

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.

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