Trail Running Calendar United States 2026-2027

An inaugural roughly 35 mile out and back ultramarathon near Lexington, Nebraska, accompanied by 10K and 5K routes. The course mixes paved and gravel roads through Wiley Canyon, is largely self supported, and includes spaced aid stations fo..

A steep 4.75 mile up and down run, hike, or walk on San Anselmo's Bald Hill that finishes downtown with live music and a t shirt. The third annual event benefits local nonprofits and includes town endorsement.

An inclusive trail festival at Northfield Mountain on August 29, 2026 that centers queer and trans runners and allies. It offers a 20k prediction race, an untimed 5k fun run or hike, and a Kid's Run with community-focused prizes.

A 50K looped trail race in Forest Park, Queens on August 29, 2026. Runners complete twelve 2.5 mile laps on the Orange Trail with about 300 ft of climb per lap and an 8 hour cutoff.

A two hour loop challenge on the Oneonta High School cross country course where runners complete as many 1.35 mile loops as possible. Registration is free and donations at packet pickup support Oneonta High School Cross Country.

A trail race at Oakes Quarry Park in Fairborn, Ohio offering 5K, 10K and 15K courses through limestone cliffs and wooded trails. Finishers receive a medal and overall winners in each distance receive a special award.

A community trail festival at Furnace Run Park in Shippensburg on August 29, 2026, featuring a one loop 5 kilometer race and a 1 mile event with chip timing and varied trail surfaces. Proceeds benefit Friends of Shippensburg Community Parks..

A community-hosted trail event in Kotzebue, Alaska above the Arctic Circle, offering full and half marathon courses over dirt roads, beach, and trail. Registration opens April 29, 2026.

A continuous loop trail race at Half Day Forest Preserve near Vernon Hills, Illinois. Runners complete repeated 3.1 mile loops toward a 40 or 50 mile total with a 12 hour cutoff and a fully stocked aid station each lap.

Looped trail event at Half Day Forest Preserve in Vernon Hills with a 5K loop and multiple distance options. The course runs on crushed limestone, gravel, and natural trails through woodlands, prairies, and riverfront scenery.

River Rat Obstacle 5K and 1 Mile Fun Run raises funds for the Lexington Cross Country team at Lexington High School. Courses are mostly grass and trails and include optional obstacles such as hay bale hurdles, a tire maze and a slip n' slid..

A six hour trail challenge where runners complete a 5K each hour, finishers earn patches or a medal and race times feed a national leaderboard and prize competition.

A community cross country 2-mile at Cherokee Farm Cross Country Course in Knoxville on 08/29/2026, run on a fully grass course and open to all ages. Registration costs $30 and proceeds benefit Tennessee Endurance and the UT Running Club.

Freedom 250 2.5K Trail Race at Pulaski County Park on August 29, 2026 features winding trails and rolling hills. The event acknowledges National Overdose Awareness Month and lists a $25 registration fee.

A 5k trail run starting at 11,000 feet at Copper Mountain on August 29, 2026, presented by Mammut. The run takes place during the Union Peak Festival, which includes live music and festival activities afterward.

A college alumni running day at St. Vincent College on August 29, 2026 featuring a 5K, a new 1.6 mile option, and a free quarter mile Kids Fun Run. Registration fees vary and additional donations are welcome.

Trail races at Summit Bechtel Reserve in Oak Hill, WV include a 10K and half marathon on winding, technical summer trails. The event is part of a Spartan OCR festival weekend and uses gun time for results.

A 10 km race at Power Dam Recreation Area in Perkinsville, VT on August 30, 2026, part of the Western NH Trail Running Series. Online registration closes August 28, 2026; youth entries are free and age-based fees apply.

Trail marathon and half marathon on scenic Kennedy State Forest routes with age and gender based staggered head starts, steep hills, aid stations every few miles, and a cupless hydration policy.

A mountain fundraiser in Stowe on August 30, 2026, featuring a 4.3 mile climb to Mt Mansfield for runners, hikers, and cyclists, plus a kids run, team options, donations, and event merchandise supporting the Catamount Trail Association.