Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 4201 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

Test your endurance at the Ascutney Mountain Run in Vermont. This 3.7 mile uphill race climbs 2,300 vertical feet along a paved auto road to a scenic mountain summit finish.

Rise of the Obstacles in Wallkill NY on May 30-31 features adult and kids obstacle races including a 100 m sprint, a two-lap endurance course, and kids 50 m and 1 km heats. Events include finisher medals, age-group awards, a Teddy Bear Craw..

Test your teamwork at the Meramec Adventure Ranch with a nine mile obstacle course featuring over 50 challenges. Navigate mud and water while carrying a team egg or enjoy the shorter two mile fun run for all ages.

A 10 miles out and back trail race on the VA Creeper rail to trail in Abingdon, VA, mostly dirt and gravel with two road crossings. Registration has a $20 fee and awards are given by overall place and multiple age groups.

Trail run and walk on May 30, 2026 at Gentle Giants Draft Horse Rescue in Mt. Airy, MD featuring 1 mile and 5K courses across forest trails and open pasture with draft horses on the farm.

A multi-distance trail running event at Calero County Park on May 30, 2026, featuring single track, hills, aid stations, and a commemorative medal for finishers. Distances range from a Kids Run up to a 50K described as a Western States trai..

Coz's Backyard Ultra on May 30, 2026 in Holland Patent, NY uses the Backyard Ultra format. Runners complete a 3 1/3 mile loop each hour until one runner remains or the 30 hour limit is reached.

Muddy Paws Fun Run offers 2.1 mile, 5K and 10K trail options at the Port of Skagit Nature Trails while raising funds for local K9 units. The event uses staggered start groups and does not record official race times.

A four mile round trip trail run on Mount Dean Stone in Missoula combined with hands on bumble bee survey training from the Xerces Society. Free registration runs April 22 to May 30, 2026 and minors must be accompanied by an adult.

A third annual 5K walk and run across a six generation ranch near Lecompton, Kansas, featuring prairie grass, rolling hills, a pond and creek. The event benefits the church General Fund and includes a complimentary beef burger and water.

A running event in Granville on May 30, 2026: a relatively flat 5k along the rail trail finishing on the footbridge over the Mettowee, plus a kids 1k. Registration opens March 26; 5k fee $25, kids run free.

A lap based ultratrail at Chesterfield Gorge with flexible distance options on a rolling dirt road beside the river. Aid includes a water only midway station and a fully stocked turn around station; event supports Hilltown Land Trust.

A 10K trail race through Elk Meadow Open Space Park following Pioneer Trail clockwise around the meadow, with downhill sections along Highway 74 and wooded singletrack at the mountain base. The race is cup free and has no aid stations.

A free, social, slower paced group run at El Moro and Laguna Coast Wilderness Park in Newport Beach with an approximately 5 mile route and about 500 feet of ascent. Runners should have some prior trail experience.

Trail races at Toro Park near Salinas on May 31, 2026 offer 10K, half marathon and marathon options on rocky trails and dirt roads. Average temp 16°C and average altitude 520 m; timing uses gun time.

Trail races in Ithaca at Lower Robert H. Treman park with a 1/2 marathon, 6.66 miler and 5K over Rim Trail, Gorge Trail and the Finger Lakes Trail.

Experience an intense 3 mile urban obstacle race through Downtown El Paso featuring over 15 physical challenges. Test your strength and stamina on a course with rope climbs, sled zones, and a final cold plunge.

Experience a scenic point to point run from Plover to Amherst along the Tomorrow River Trail. This half marathon concludes at the Central Waters Brewing Co for a memorable finish in Wisconsin.

Step back into the 1980s with this themed running event in San Antonio. Enjoy retro music and a costume contest while completing distances ranging from a Kids Dash to a Half Marathon at Eisenhower Park.

Trail and virtual 25k and marathon events at Carvins Cove on May 31, 2026, featuring steep climbs and long descents, spring blooms, and RNUTS qualification.

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