Trail Running Calendar United States 2025-2026

The Last Boyscout is a challenging Last Man Standing Race held at Ferne Clyffe State Park in Goreville, Illinois. Participants navigate a tough 4.167-mile loop that includes both trail and road sections, with significant elevation gain. The race format encourages endurance and resilience, as runners..

The Ned Ned Half Marathon is a long-standing trail running event held in Nederland, Colorado, a picturesque mountain town. Celebrating over 43 years, the race offers a challenging half marathon covering 13.3 miles with 1,408 feet of elevation gain, featuring dirt roads and single-track trails that s..

The Blood, Sweat & Tears Run - Mount Gretna, PA will take place in Mount Gretna on Saturday 13 September 2025. You can run between 5 and 10 miles.

The Rock 'N The Knob Trail Challenge is Pennsylvania's highest trail race, taking place in Claysburg. Scheduled for September 13, 2025, the event features three challenging courses: an Ultramarathon (50K), a Medium Distance Course (20K to 25K), and a Short Course (approximately 10K). Each course off..

Snow Mountain Ranch Trail Running Festival, held in Granby, Colorado, offers a scenic and challenging trail running experience with race distances of 50K, 33K, Half Marathon, 10K, and 5K. Set at the YMCA of the Rockies, the courses feature 100% dirt trails winding through rolling hills, golden aspen..

The Mountain Lakes Trail Run & Walk in Princeton, NJ, is a scenic event held at the Billy Johnson Mountain Lakes Nature Preserve, benefiting the Friends of Princeton Open Space. It features a 5K+ trail run and a 3K walk, both traversing a mix of paved park trails, unimproved service paths, and singl..

The Guild 7 Trail Race is a challenging 7-mile trail event held in Chattanooga, Tennessee. The course follows the historic Guild-Hardy Trail, a well-maintained "truck" trail with a rich history dating back to the 1880s, originally built to serve passenger traffic to Lookout Mountain. The race featur..

The Cane Creek Mtn Trail Run, taking place in Snow Camp, NC, features both a 10K and a Half Marathon, showcasing stunning single-track trails and a challenging climb to an observation tower. This inaugural event is set in the scenic Cane Creek Mountain Natural Area, a 1000-acre park. Participants ca..

The Ironbull Ultra Trail is a challenging trail running event held at Rib Mountain State Park in Wausau, Wisconsin. Participants can choose from 50k, 25k, or 15k courses, featuring significant elevation gains and technical single-track trails. The race showcases the natural beauty of Rib Mountain, w..

The Berkeley Trail Adventure is a scenic trail running event held in Berkeley, California, within Tilden Regional Park and Wildcat Canyon. It offers four race distances: 10K, half marathon, 35K, and 50K, featuring challenging terrain with technical dirt trails, fire roads, and some asphalt sections...

The Rockin' Rockwoods 53K and 1/2 Marathon is an annual trail running event held at Greensfelder County Park in Wildwood, Missouri. The race features challenging courses on the scenic Green Rock Trail, with terrain including hard-packed dirt, loose rocks, roots, creek crossings, and steep, technical..

The Mellow Trail Race, organized by Tejas Trails, is a scenic trail running event held at Pace Bend Park near Austin, Texas. Scheduled for September 13, 2025, it offers multiple race distances: a marathon (26.2 miles), half marathon (13.1 miles), 10K, 5K, and a youth 1-mile run. The course features..

The Sugg Farm Ultra, held in Holly Springs, North Carolina, is the town's first ultramarathon featuring 20, 40, and 50-mile trail races. The course consists of a scenic 5-mile out-and-back loop on mulch, gravel, and singletrack trails with some hills, offering a challenging yet rewarding experience...

The South Hills Single Track Trail Run - Summer is an exciting trail running event taking place at Calero County Park in San Jose, CA. Participants can choose from various distances, including a challenging 50K, Trail Marathon, 16 Mile, Half Marathon, 9 Mile, 10K, 5K, and a Kids Run. The course feat..

The Brown Bear Salmon Run is a trail running event held at Snoqualmie Pass, Washington, featuring 15K and new 30K race options. The course includes scenic singletrack trails, Forest Service roads, and ski area access roads, with a challenging elevation gain of 1,900 feet for the 15K and 3,800 feet f..

The Plain Endurance Runs are challenging ultramarathon events held in the Cascade Mountains near Leavenworth, Washington. The races include a 100-mile and a 100K course, featuring approximately 85 miles of trail and 20 miles of forest service roads with around 21,000 feet of elevation change. Partic..

The Vineyard Vista 10k and 5k is a scenic running event held at Muse Vineyards in Woodstock, VA. Participants can enjoy a course that combines cross-country around vineyards, paved road sections, and trail segments through Seven Bends State Park. The event benefits Friends of Seven Bends State Park..

Trails 4 Tails in Hanover, PA, is a trail running event held at scenic Codorus State Park, featuring a 5.72-mile loop course around Lake Marburg with single track trails and shoreline views. The event offers three race options: a 40-mile ultra consisting of seven loops with approximately 4,200 feet..

Run for the Hills is an annual 5K trail run and walk held at the Oswegatchie Hills Nature Preserve in Niantic, CT. This event invites participants to enjoy a scenic route around Clark Pond and through the beautiful coastal forests of the preserve. Proceeds from the race support the maintenance and c..

The Shawangunk Ridge Trail Run (SRT) is a challenging ultramarathon event that spans 70 miles along the scenic Shawangunk Mountains, from High Point State Park in New Jersey to Rosendale, New York. The trail features diverse terrain, including rocky sections, waterfalls, wetlands, and iconic white c..