Trail Running Calendar United States 2026-2027

A 50K in Forest Park, Queens, run on a 2.5 mile loop repeated 12 times with about 300 feet of elevation per loop. Aid stations are provided after each lap and there is an eight hour cutoff for the race.

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 15K trail race through limestone cliffs and wooded trails at Oakes Quarry Park in Fairborn, Ohio on August 29, 2026. The entry fee is $45 and registrations by August 15 include a short sleeve shirt.

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.

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 event at Cherokee Farm in Knoxville featuring a fully grass 2 mile course open to all ages. Weekend divisions include elementary through college and proceeds support 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.

A ranch-based running event in Harrison, Montana offering a 1K calf run, 5K, 10K, Tough Udder obstacles and a virtual option, with on-course water stations and event swag.

A six hour trail running event in Enoree, South Carolina on August 29, 2026, organized by G.O.A.T. Trail Running, with limited published course and support details.

A free community run at Piestewa Peak where participants climb the summit repeatedly during a six hour window. On-course refreshments, giveaways, and Everyday Ultra coaches run alongside participants.

A fundraising obstacle event at Lexington High School featuring a two-loop 5K with repeated obstacles and a 1 mile fun run with slip n' slide elements. Proceeds support the Lexington Cross Country team and registrants receive a race shirt.

Trail races of 5k and 10k run through the Ozark Mountains at Howler Bike Park on August 29, 2026. The routes cross rugged, uneven trails and pass native rock and forest features.

Run at the Farm at Denton Farm Park features a scenic 5K on mixed grass, gravel, and paved surfaces with notable hills. The day also includes a community 5K followed by preseason middle and high school 3K and 5K races.

The Apache County Mud Run will take place in Saint Johns on Saturday 29 August 2026.

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.