Trail Running Calendar United States 2025-2026

The Castle Rock Trail Festival, also known as the liveBIG Run, is a community-focused outdoor event offering various trail running options, including a 5K, 10K, half marathon, and a 50K ultramarathon. Participants can explore the scenic trails of Philip S. Miller Park and Ridgeline Open Space, with..

The Lastest Not Fastest is a unique last-person-standing trail race held on Hamilton Island in Washington's Columbia River Gorge, near North Bonneville. Participants run a 4.13-mile loop with minimal elevation gain (103 feet) along scenic trails beside the Columbia River, including forested areas an..

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 Groton Town Forest Trail Races, organized by the Squannacook River Runners and Groton Trails Committee, feature two scenic courses of 9.5 miles and 3.4 miles through the picturesque Groton Town Forest. The trails are well-marked and consist of narrow dirt roads and winding paths, presenting a mi..

The Houghton's Pond Trail Races feature two distances: a 7-mile race and a 3.7-mile race, set in the scenic DCR Blue Hills Reservation in Milton, MA. Participants will navigate rolling dirt roads and forest paths, with elevation changes of approximately 700 feet for the 7-mile course and 300 feet fo..

The Spooner's Cove Trail Run, held at Montana de Oro State Park in Los Osos, California, offered scenic courses along rugged cliffs, beaches, and ocean vistas. Runners could choose from multiple distances: 8K, 13K, 25K, 37K, and 50K, with the longer routes featuring significant elevation gains and t..

Trust Trail Fest October is a trail running event held at the Kennebunkport Conservation Trust headquarters in Kennebunkport, Maine. Participants can choose between a 5k or 10k race that winds through scenic forest trails featuring natural terrain such as rocks, roots, and possible mud. The race sta..

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, it features a midnight start and a strict 19-hour cutoff. The course is a lollipop loop with over 13,400 feet of..

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 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 Sandia Mountain Shadows Trail Run is set to take place on October 5, 2025, in Albuquerque, New Mexico. This annual event features both 10K and 5K races, catering to runners of all ages, including special categories for participants aged 17 and under. Participants can enjoy stunning views of the..

"11 Miles to Paradise" is a 10.6-mile point-to-point trail race held in Missoula, Montana, through the scenic Lolo National Forest along the Clark Fork River. The course features rolling single-track trails, offering a challenging and picturesque running experience. After completing the race, partic..

Moscow Mountain Madness is a challenging trail running event held in Moscow, Idaho, featuring distances of 50K, half marathon, and 5 miles. The courses primarily traverse technical single-track trails along the scenic spine of Moscow Mountain, with some fast logging roads included. Runners experienc..

The Raven Half Marathon is an adventurous trail race held in Central Pennsylvania's scenic Seven Mountains region, starting and finishing at Poe Valley State Park in Coburn, PA. The challenging 13.1-mile course features a mix of single and double track trails, a stream crossing, and stunning vistas,..

The Yuba Gold Trail Runs is a scenic running event held near Nevada City, California, featuring multiple race distances including 50K, 35K, and a half marathon. Participants enjoy stunning views of the South Fork Yuba River and historic sites like Malakoff Diggins. The event takes place at Malakoff..

The KMT Fall Foliage Frenzy is a trail running event held in Montebello, NY, featuring 3-hour and 6-hour timed races. Participants run on a scenic 2.33-mile loop with approximately 660 feet of vertical gain, offering stunning views of the changing leaves in Kakiat Park near Harriman State Park. The..

The Think Big Trail Challenge, held in South Williamsport, PA, 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. The 5K route includes gravel roads, forest trails..

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 Condor 25K Trail Run is a scenic trail race held in Corvallis, Oregon, featuring a 25-kilometer course through the area's extensive trail network. As part of the Corvallis Trail Series, the event promotes trail running and supports local races. The course is updated regularly and offers runners..

The Buck 50 is a challenging 50-kilometer ultramarathon held in Kattskill Bay, NY, 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 Erebus..