Trail Running Calendar United States 2026-2027

Experience a technical trail race through the historic Glenroy Preserve. Choose between five mile, 25K, and 50K loops featuring creek crossings, rolling hills, and post race celebrations.

Run the winding single lane trails of Groton Town Forest with a choice of 9.5 mile or 3.4 mile courses featuring roots, rocks and rolling climbs. Limited to 250 runners, this community race supports Groton trail maintenance and finishes wit..

Experience a classic cross country race on the trails of North Park during the autumn foliage season. Enjoy 20k, 10k, and 5k distances featuring handmade bamboo medals and traditional folk dancing.

Celebrate tradition at the Day of the Dead Half Marathon in Live Oak. Choose from various distances through scenic parks and enjoy a festive post race atmosphere with live music and Mexican treats.

Run through 300 acres of scenic vineyards on a flat trail course in Peconic. Enjoy live music, food trucks, and a post-race glass of wine at this chip-timed autumn event.

Run by the Sea at Wilder Ranch State Park on October 4, 2026 offers a Half Marathon, 12K and 4K run/walk along mostly flat packed dirt trails with coastal bluff and Monterey Bay views. Organized by the Santa Cruz Track Club; proceeds benefi..

Experience a self-sufficient 100 km midnight race through the technical terrain of Pennsylvania's Black Forest Trail. This limited-capacity event features steep climbs and scenic views for qualified trail runners.

Course Details The Think Big Trail Challenge offers 5K and 10K distances on trails at the Williamsport Water Authority in South Williamsport, Pennsylvania. The routes incorporate several named trails. The Bluebird Trail section is known for..

Experience an old school trail race along the historic Nipmuck Trail in Connecticut. This 26.4 mile double out and back event follows the blue blazed trails through challenging New England terrain.

Moscow Mountain Madness invites trail lovers to tackle 5 mile, half marathon or 50k courses across technical single track and forest scenery. Tough terrain, aid stations and authentic backcountry vibes make it a memorable mountain run.

Experience a flat and fast race through West Virginia at the Greenbrier River Trail Marathon. This scenic event offers full and half marathon distances within the beautiful Cass Scenic Railroad State Park.

Experience the seasonal scenery of New Hampshire at the Keene Family YMCA Fall Foliage Trail Race. Choose between a fast 5K or a 10K with elevation gain to support local community programs.

A Halloween-themed 5K run or walk in Aspen that benefits the local animal shelter. Bring your pet in costume for a chance to win prizes. The timed race offers cash prizes for top finishers and includes festive activities.

Trail runs at Laurel Hill in Lorton, VA on October 4, 2026, with singletrack through forest and meadows. Choose 5.4 miles or 10 miles; event features aid stations, post-race food, a kids program, and optional medals.

Kokanee Trail Runs in South Lake Tahoe on October 4, 2026 offers a half marathon, 10K, 5K and a half mile children's trot along Fallen Leaf Lake with aid stations, sustainable event shirts, and local charity support.

Experience a technical trail event in Highlandville featuring 5k, 10k, and half marathon distances. Participants enjoy a hilly course followed by a post race celebration with local craft beer and walking tacos.

Experience pure cross country running through four scenic parks in Colorado Springs. This historic trail series features four races of increasing distances across varied terrain for runners aged 15 and older.

Run a scenic 5K on the shaded, groomed horse trails of Palos Verdes Peninsula. The event supports Strides in Recovery, a nonprofit helping people in addiction treatment through running. Participants receive a medal, t-shirt, and can enjoy a..

A non-profit trail race in Corvallis, OR covering a 25K route from the OSU Forestry Cabin through Peavy Arboretum. Registration includes a shirt and proceeds support local trail building, Corvallis Mountain Rescue Unit, and HOTV Sole Suppor..

Experience the rugged beauty of Bald Eagle State Forest at a trail event featuring technical singletrack and steep climbs. Choose between a punchy 10K or a scenic half marathon through the remote Poe Valley mountains.