Trail Running Calendar United States 2025-2026

The Bell Ringer Trail Run is held annually at Montgomery Bell State Park in Burns, Tennessee, offering 50K, 25K, and 15K trail race options. The event showcases over 30 miles of scenic trails known for their moderate difficulty with multiple uphill and downhill sections, suitable for both experience..

The Doomsday 50K & Half Marathon takes place in Cool, California, offering runners a challenging and scenic race experience. The 50K features 5,100 feet of elevation gain and loss, while the Half Marathon includes 1,250 feet. Both races start together at the Cool Staging Area.The event welcomes hike..

The Tame the Tower Trail Challenge is a trail running event held in Mt. Gretna, Lebanon, Pennsylvania, at Clarence Schock Memorial Park. Scheduled for December 13, 2025, it features two distances: a 10-mile "T-Rex" and a 5-mile "Ferocious" run.The courses are well-marked with colored flags and showc..

The Helen Holiday Half Marathon, held in Helen, Georgia, is a festive and scenic trail running event featuring a half marathon and a 10K race. Known for its challenging course with significant climbs and technical trails, the race offers a fun introduction to trail running with beautiful views and a..

The Vail Jingle Trail is an annual holiday-themed running event held at Mica Mountain High School in Tucson, Arizona. It features a 5K race and a 1K "Santa's Little Helper" run for kids, both set on the school's cross country course. The course includes varied terrain such as asphalt, dirt, grass, a..

The Mount Hood Nutcracker Challenge is an annual cross-country running event held in Melrose, Massachusetts, at the Mount Hood Golf Club. This unique 3.5-mile race features a challenging, hilly course that changes every year, incorporating fairways, paved cart paths, road crossings, and occasional w..

The Tinsel Trot 10k in Louisa, VA, is a festive cross-country running event held at Southern Revere Cellars. The course loops around the winery property, with the 10k consisting of four laps and the 5k two laps, featuring gentle terrain without major hills. Participants receive a technical event shi..

The Holmdel Classic is a challenging end-of-year trail race held in Holmdel Park, Monmouth County, New Jersey. Featuring a 4.65-mile loop with 584 feet of elevation gain, the course covers diverse terrain including grass, dirt, rocks, roots, gravel, pavement, and varied inclines. Participants can ch..

The Beast of the East 100 is an ultramarathon event held at Crowders Mountain in Kings Mountain, North Carolina. It features multiple race distances including a 100-mile, 100K, 50-mile, marathon, and half marathon, all run on the extensive Crowders Mountain trail system. The course includes challeng..

The Hark the Herald Half Marathon & 10K is an annual running event held at Angel Island State Park near Belvedere Tiburon, California. Celebrating its 37th year in 2025, the race features a scenic, hilly loop trail around Angel Island with stunning views of the Golden Gate Bridge, San Francisco, Alc..

The Pup-A-Go 5k Hike/Run is an annual event held at Papago Park in Phoenix, Arizona, featuring a 5K course that loops counterclockwise around the park. Participants can run, jog, or hike with their dogs or solo, with an emphasis on community and respect for all attendees. Dogs must be leashed and va..

The Pigtails Run, celebrating its 20th year in 2025, is a low-key, self-supported "Fat Ass" style race held in Maple Valley, Washington. It offers distances of 50K, marathon, and half marathon along a mostly paved trail with some dirt and gravel sections, running alongside the Cedar River and throug..

Spirit of Syllamo is a challenging trail running event held in December at Blanchard Springs Recreation Area in the Ozark Highlands, Arkansas. It offers three distances: 13.1, 35, and 100 miles, featuring rugged, rocky, and densely forested singletrack trails with diverse terrain including creek cro..

The Hanukkah 8 Krazy Kilometers is an annual family-friendly running event held in Bakersfield, California, organized by Temple Beth El. The 8K and 2K races take place at the scenic Panorama Vista Preserve, part of the Kern River Parkway, featuring natural trails along the Kern River below the Panor..

The Mel Williams Memorial Seashore 50K, presented by Brooks, is a trail ultramarathon held at First Landing State Park in Virginia Beach, VA. The race features a challenging two-loop course starting and ending at the park's boat ramp. Runners navigate scenic trails with aid stations at 64th Street a..

The Holiday Hootie Hoo is an annual trail running event held at F.D.R. State Park on Pine Mountain, Georgia. It features two race distances: a 10K and a half marathon, both showcasing some of Georgia’s longest and most scenic trails.Runners experience diverse terrain including rocky, root-filled sin..

The Frosty Looper 8-Hour is an ultrarunning event held at Cooper River Park in Pennsauken, NJ. Participants run as many laps as possible on a fast, flat 3.75-mile paved loop around the river, featuring scenic views of the Philadelphia skyline and water. The course includes mostly flat terrain with s..

Naked Nick is a trail running event held in Leesport, Pennsylvania, featuring 25K and 50K distances around Blue Marsh Lake. The course is a lollipop-shaped route on the lake's south side, combining 80% single-track trails and 20% gravel roads, with moderate elevation gains of approximately 1,500 fee..

The GBP Winter Trail Series will take place in Lamy from Saturday 20 December 2025 to Tuesday 17 February 2026. You can run between 3 and 13 miles.

The Frozen Yeti is the first race in the Winter Wild Thangs Trail Series, held at Monte Sano State Park in Huntsville, Alabama. Scheduled for December 20, 2025, it offers 5-mile and 10-mile trail race options. The course features scenic mountain views, creek crossings, and waterfalls, providing a ch..