Trail Running Calendar United States 2025-2026

Live Oak Odyssey is a fixed-time trail run held at O’Neill Regional Park in Trabuco Canyon, California. It offers 3- and 6-hour options on a 2.75-mile loop with about 500 feet of vertical gain per lap, challenging runners with a mix of ups and downs, single-track, and double-track sections. The wood..

The Duff Dog Backyard Ultra is an endurance running event held at Blue Mounds State Park near Luverne, Minnesota. The race features a runner-friendly loop course primarily composed of grass trails, with some gravel and a short paved section, covering a distance of 4 miles 880 feet (6.7 km) per loop...

The Chattahoochee Pointe Trail Run, organized by Dirty Spokes Productions, features two race options: a 6.2-mile and a 3.1-mile trail run, set in the scenic Chattahoochee Pointe Park in Suwanee, Georgia. This annual event, now in its seventh year, offers a beautiful off-road running experience with..

The Blue Ridge Ultra is a challenging trail running event held in Blue Ridge, Georgia, within the scenic Chattahoochee National Forest. It offers three race distances: 50K, 30K, and 15K, all featuring rugged terrain including single-track trails, creek crossings, steep ascents and descents, and vibr..

The Mammoth at High Hope Ranch and Retreat Center in Glen Rose, Texas is a multi-distance trail race offering 100K, 50K, 25K, 10K, 5K and the Mighty Mammoth 1K Fun Run. The course uses two loop options—a 3.5-mile loop and a 7-mile loop—that together form a 10.5-mile lap through the Hill Country on H..

Le Grizz Ultramarathon, held in Polebridge, Montana, just west of Glacier National Park, is a historic 50-mile race that attracts ultrarunners and relay teams, plus 15K and 5K options. The course follows a gravel North Fork Road parallel to the Flathead River, offering Crown of the Continent views a..

The Into the Woods Six Miler is a trail running event held in Erie, Pennsylvania, at 4105 Asbury Road. Scheduled for October 11, 2025, this race covers six miles through a scenic course featuring trails, fields, boardwalks, and streets. It serves as the final race of the 2025 trail run series and is..

The Sasquatch Shuffle is an annual trail running event held in McCall, Idaho, featuring multiple race distances including 50K, 30K, 20K, a new 50/50 challenge, and a Triple Threat option where participants run three distances over two days. The course consists of a scenic 6.79-mile loop through Pond..

The Custer Trail Walk/Run/Roll is a family-friendly community event held at Clark at Keller Lake in Grand Rapids, Michigan (2431 Forest Hill Ave SE). Participants choose between a scenic 5K route—three loops around the trail—or a gentle 1-mile loop suitable for residents and kids. A remote participa..

Wolf Lake 5K Trail Run/Walk is staged at the Hamburg Fitness Center & Camp on 8540 Hamburg Rd. in Brighton, Michigan, and takes place on the Wolf Lake Trails. This community event offers a 5K trail course for runners and walkers, with a festive, family-friendly atmosphere that encourages Halloween c..

Mo Fall is a fall trail running event in Perrysville, Ohio, at Mohican State Park Lodge. It offers the Mo Fall Marathon, Half Marathon, and 15k. The course is a 13.1-mile loop starting and finishing at Mohican Lodge, winding past Lyons Falls and the park’s covered bridge, with elevation gains of 1,2..

The NFS Fall 5K Run and Family Walk is a community event for Nottingham Forest South residents in Overland Park, Kansas. The second annual race offers four options on the Tomahawk Creek Trail: a 5K chip-timed Run or Walk, a 1-Mile Family Walk, and a Kids Dash (plus bundled options for non-residents)..

OUTLAST TYLER is a 6-hour trail endurance challenge held at Lindsey Park in Tyler, Texas. Runners tackle a 5K loop every hour on the hour, for six rounds; finish each lap within the hour or be eliminated. The rugged course features dirt, rocks, roots, elevation, and single-track sections, with time..

Run with Heart in Urbana, Ohio, is a community running event along the scenic Simon Kenton Bike Path. Participants can choose a 5K or a 1-mile Fun Run/Walk, with a Virtual Participant option also available. The race begins at the Depot Coffeehouse (644 Miami St) and follows the bike path through Urb..

The event takes place on October 11, 2025, at Fausett Farms Sunflowers in Dawsonville, Georgia, in the foothills of Dawson County. It is presented by the Dawson County Chamber of Commerce in partnership with Fausett Farms Sunflowers and lists community sponsors. Distances offered: 5K 1 Mile Fun Ru..

The Full Distance 10k is a scenic trail running event held at Locust Shade Park in Triangle, Virginia. The course features a mix of trails and pavement, with about 40% paved and some hills, consisting of four loops for the 10k distance. This chip-timed race welcomes both runners and walkers and is p..

Zachariah's Acres Fall Run, Walk & Roll is held in Oconomowoc, Wisconsin, on a scenic 125-acre private property featuring tree-lined paths, wildflowers, prairie grass, ponds, and vibrant fall colors. The event offers a 5K, a half marathon, and a family-friendly 1-mile walk/roll loop with gentle hill..

Suffer Better Fall Trail Runs take place at Staunton State Park, just off Highway 285 near Conifer, Colorado. The event offers four distances: 50K, 25K, a 25K FishSlappers edition, and a new 5K. The course showcases CO’s best trails—lovely, flowing singletrack with significant vertical gain (roughly..

Lake Rhodhiss Trailfest, held in Valdese, North Carolina, is a trail running event featuring a 10-mile, 10K, 5K, and a one-mile fun run. Set within Valdese Lakeside Park, the courses primarily traverse technical, single-track trails characterized by rolling hills, roots, and rocks, offering a challe..

Des Plaines River Trail Races is an endurance trail event held in Lake County, Illinois, starting and finishing at Half Day Forest Preserve. The program features a Half Marathon, Marathon (Boston Qualifier), 50K, and 50 Mile ultra. Runners traverse a 100% trail course on a fast, flat crushed gravel..