Trail Running Calendar United States 2026-2027

Tails and Trails is a 5K in Cody, Wyoming that raises funds for Wyo Hoofbeats and highlights Cody Regional Health's animal therapy program. The course follows residential streets and trails along the Shoshone River with mountain views.

Night trail races at White Tank Mountain Regional Park offering 52K, 31K, 20K, 10K and 6K on a 6.5 mile Sonoran loop with stocked aid stations and on-site medical support. The event is part of the Insomniac Night Trail Run Series.

Trail races at Mueller Park near Bountiful, Utah, offering 50K, 26.8, 13.8 and 7 mile courses over marked singletrack and dirt roads with significant elevation gain and limited aid in early sections.

Two day mountain bike and trail running event in Steamboat Springs on August 8 and 9 2026. Multiple distances from a 52 mile solo bike to 26.2 and 13.1 mile runs, with proceeds supporting local youth and trail organizations.

Experience the lush forests and single track trails of Bellevue in this eco friendly trail series. Choose from three distances ranging from a 5K to a full marathon while supporting King County Parks.

Trail races of 5 and 10 miles take place on 8 August 2026 at Oak Hill Trail Head in Cuyahoga Valley National Park. Registration opens in November 2025 and fees vary by distance.

A 15K trail race at Montana Snowbowl with a 4.65 mile climb to Grizzly Chair, a 4.65 mile single-track descent on Beargrass Highway, 2,150 ft of elevation gain, chip timing, and a field capped at 250 participants.

A night trail race near Anniston, Alabama, on maintained dirt and gravel roads with 10K, 25K, 50K and 100K options, cupless aid stations, alternating course direction by year, and a Double Down challenge for consecutive 100K finishes.

Trail ultraruns at Crystal Springs Recreation Area near Wytheville VA feature multiple timed options, technical loop trails with significant elevation, a limited no-frills Leftovers Option, cupless aid stations and required shuttle parking.

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.

An eight hour track race at Clapp Park in Pittsfield, MA on a certified .355 mile loop with chip timing, bottle drop aid, age group awards, and proceeds benefiting the AYJ Fund. A virtual option may be available.

An 11th annual six person relay in La Grande, OR covering 80.6 miles with about 6,000 feet of elevation gain, featuring gravel mountain roads and a trail finish at a ski resort. Registration has early, regular, and late pricing.

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 formats plus relay teams. Main loop is about 4.1 miles with ~815 ft elevation per lap and a 0.34-mile short loop opens 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.