Trail Running Calendar United States 2025-2026

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..

Run by the Sea is an annual running event held at Wilder Ranch State Park in Santa Cruz, California. Scheduled for October 5, 2025, the race offers three distances: a 4K run/walk, a 12K run, and a half marathon. The courses primarily feature flat, packed dirt trails that wind along the scenic coasta..

The Pocahontas Trail Festival is a trail running event held at Pocahontas State Park in Chesterfield, Virginia. It features a Half Marathon and a 10k race, both starting and finishing on a large grass field near the park's boat launch. The course was redesigned to emphasize trail running, incorporat..

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 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 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 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..

The Yuba Gold Trail Runs take place near Nevada City, California, in the scenic gold country region. The event offers multiple distances including a 50K, 35K, and half marathon, all featuring beautiful views of the South Fork Yuba River and the historic Malakoff Diggins hydraulic mining site. The st..

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..

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 Ponte Vedra 10-Miler, presented by Alter Ego Running, is a vibrant running event held in Ponte Vedra Beach, Florida. Scheduled for October 5, 2025, it features a 10-mile run, a 5K run, virtual race options for both distances, and a Kids Obstacle Course with over 10 challenging stations. The race..

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..

Trailfest, hosted by Fleet Feet Springfield, is a trail running event held at Two Rivers Mountain Bike Park in Highlandville, Missouri. Scheduled for October 5, 2025, it offers three race distances: 5K, 10K, and a half-marathon. The course features technical, rocky, root-filled, and hilly terrain, a..

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..

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 Norfolk Land Trust Trail Race Series, including the Haystack Mountain Challenge, is held annually in Norfolk, Connecticut. The event features three trail races: a 5K, 10K, and a challenging half marathon. The 5K course runs through scenic Barbour Woods with a mix of single and double track trail..

Moscow Mountain Madness is a challenging trail running event held in Moscow, Idaho, featuring three distances: 5 miles, a half marathon (13.1 miles), and a 50k ultra marathon. The courses primarily follow technical single-track trails along the scenic spine of Moscow Mountain, with some fast logging..

Trust Trail Fest, held at the Kennebunkport Conservation Trust headquarters in Kennebunkport, Maine, offers participants a choice between a 5k walk/run and a 10k run through scenic forest trails. The course features natural terrain with rocks, roots, and possible mud, providing a challenging and imm..

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..