Trail Running Calendar United States 2025-2026

We have found 2298 Trailruns in United States. Check below where and when you can find the races.

The Run the Vineyards - Pindar Fall 5K and 8K is a scenic autumn race held at Pindar Vineyards in Peconic, NY, featuring courses through 300 acres of vineyard property. Participants can choose between a 5K or 8K race on a mostly flat course consisting of hard-packed dirt trails and short-cut grass,..

The Greenbrier River Trail Marathon is an annual running event held in West Virginia, featuring a full marathon (26.2 miles) and a half-marathon (13.1 miles). The marathon course is a scenic, point-to-point route that starts at Cass Scenic Railroad State Park and finishes at Stillwell Park in Marlin..

The Aggie Ram Trail Run 5k will take place in Walpole on Sunday 5 October 2025. You can run between 5 and 5 kilometers.

The Iowa Trail Run Series: Sugar Bottom Fall takes place in Solon, Iowa, offering runners a scenic trail running experience with options of a 5K, 10K, and half marathon. This fall edition allows participants to challenge their times from the spring race and earn bonus swag. The event supports local..

The Stub Stewart Trail Challenge is a versatile trail running event held at L.L. Stub Stewart State Park in Buxton, Oregon. Scheduled for October 5, 2025, it offers four distance options: quarter marathon (6.5 miles), half marathon, three-quarter marathon, and full marathon, all run on a challenging..

The Think Big Trail Challenge, held in South Williamsport, Pennsylvania, offers 5K and 10K trail runs through scenic and historic terrain at the Williamsport Water Authority. The courses feature a mix of smooth singletrack, rugged climbs, and flowing descents, with highlights including the challengi..

The Groton Town Forest Trail Races, held in Groton, Massachusetts, offer two challenging trail running distances: 9.5 miles and 3.4 miles. The courses wind through the scenic Groton Town Forest, featuring well-marked paths with no road crossings, combining narrow dirt roads and single-lane trails fi..

The Black Forest Ultra is a challenging 100K trail race held in North Bend, Pennsylvania, deep within the scenic Pennsylvania Wilds. Known as one of the toughest ultras in the Northeast, the course features a lollipop loop with over 13,400 feet of elevation gain, including steep climbs of more than..

Nuthatch Nonsense is a challenging 15K trail race held at Sand Run Metro Park in Akron, Ohio. The course features over 1,000 feet of elevation gain, including primitive single-track trails like Dogwood and Nuthatch Loops, plus an out-and-back section on a jogging trail for faster running. The race s..

The Buck 50 is a challenging 50-kilometer ultramarathon held in Kattskill Bay, New York, along the scenic southern Adirondacks near Lake George. The course features rugged, remote trails that traverse four of Lake George's tallest peaks, including Buck Mountain, Sleeping Beauty, Black Mountain, and..

11 Miles to Paradise is a scenic 10.6-mile point-to-point trail race held in Paradise, Montana, running through Lolo National Forest alongside the Clark Fork River. The course features rolling single-track trails with a net elevation loss, weaving through forested areas and small hills. After the ra..

The Blues Cruise is a 50K trail ultramarathon held near Reading, Pennsylvania, celebrating its 20th anniversary in 2025. The 31-mile loop course circles Blue Marsh Lake, featuring varied terrain including fields, rolling hills, single track, and less than half a mile of public road. A notable challe..

The Houghton's Pond Trail Races take place in the scenic DCR Blue Hills Reservation in Milton, Massachusetts, just south of Boston. This event offers two trail race distances: 7 miles and 3.7 miles, both starting and finishing near the Houghton's Pond Visitor Center. The courses feature rolling terr..

The Raven Half Marathon is a challenging trail race held in Central Pennsylvania's scenic Seven Mountains region, starting and finishing at Poe Valley State Park in Coburn, PA. The 2025 course features a mix of single and double track trails, a stream crossing, and stunning vistas, making it suitabl..

The NipMuck Trail Marathon, held in Ashford, Connecticut, is a challenging 26.4-mile trail race along the scenic Nipmuck Trail. The course features diverse terrain including rocks, roots, mud, and wood bridges, with a route that heads south to Route 44, returns to the start, then goes north to Bosto..

The Tails & Trails Charitable Walk/Run takes place in Windsor, California, at 11010 Estate Lane. This event features two race options: a 5K run and the Dogwood Dash. It is organized to support charitable causes, creating a community-focused and friendly atmosphere.While specific details about the co..

The Baker Lake Classic 25k is a scenic 15.6-mile trail run held in the Mt. Baker-Snoqualmie National Forest in Washington. The course follows the eastern shoreline of Baker Lake, featuring old-growth forests with giant trees draped in lichen and moss, regrown Douglas firs after the 1843 Mt.Baker eru..

The Spooner's Cove Trail Run, held at Montana de Oro State Park in Los Osos, California, offered scenic trail running with views of rugged cliffs, sandy beaches, and the ocean. The event featured multiple distances: an 8K with minimal climbing along the bluff, a 13K ascending the 1,347-foot Valencia..

The Sandia Mountain Shadows Trail Run, held annually in Albuquerque, New Mexico, offers 5K and 10K trail running events suitable for all ages, including categories for participants 17 and under. The race starts at Piedra Lisa Park and features scenic views of the Rio Grande Valley, Albuquerque city,..

The KMT Fall Foliage Frenzy is a timed trail running event held in Montebello, NY, featuring 3-hour and 6-hour race options. Participants run on a challenging 2.33-mile loop course in Kakiat Park, adjacent to Harriman State Park, with approximately 660 feet of vertical gain per lap. The course offer..