Trail Running Calendar United States 2025-2026

The Iron Will 100 is a multi-distance ultramarathon event held in Junction City, Kansas, on September 13, 2025. Participants can choose from various race distances, including a 100-mile, 50-mile, 50K, 100K, and a 36-hour challenge. The course features a flat, fast river trail with significant shade,..

The Talkeetna Trail Race, held in Talkeetna, Alaska, is a community-focused running event featuring a challenging 25K trail run along the scenic local trails. Additionally, there is a 5K fun run designed to be stroller and kid-friendly, making it accessible for families and runners of all levels. Th..

The Oak Flats Picnic Trails Fatass is a free trail running event held in Tijeras, New Mexico, within the scenic Cibola National Forest. Open to all abilities and even dogs, participants can choose distances from 5k up to 30k by completing laps on looped courses of approximately 3.2 miles (short) or..

The Mt. Ashland Trail Run is an exciting mountain running event taking place in Ashland, Oregon, featuring three race options: one, two, or three laps around the stunning Mt. Ashland.Each lap covers approximately 3.9 miles with a vertical climb of 921 feet, offering participants a challenging ascent..

The MeadowGold 11K & 5K running race is part of the Vail Trail Running Series and takes place in Minturn, Colorado. This event offers two distance options, an 11-kilometer and a 5-kilometer race, catering to a range of runners. Set in the scenic mountain environment of the Vail area, the race provid..

The Wahaneeta Trail Run is a 5K trail race taking place in Westerly, Rhode Island, as part of the WTAC Fall Race Series. This event emphasizes a "no frills" approach, foregoing modern amenities like t-shirts and extensive awards to keep costs low and logistics simple. Participants can enjoy a classi..

The Dirty Spokes Road Atlanta event features a thrilling trail running experience at the Road Atlanta Trail System in Braselton, Georgia. Participants can choose between two distances: 9.10 miles and 4.55 miles, both set in a scenic, well-groomed trail environment. The race is exclusive to race day,..

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 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 Boulder Field 100 is a challenging trail running event held at Hickory Run State Park in Jim Thorpe, Pennsylvania. It offers three distances: a 100K ultra run, a 50K ultra run/mega hike, and an 18-mile run/hike. The course features a figure-8 shaped 50K loop, with 100K participants running the l..

The Pine to Palm 100 is a challenging ultramarathon held in Southern Oregon, covering a remote and rugged point-to-point course through the Siskiyou Mountains. Starting in Williams and ending in Ashland, the race features a mix of single-track trails, dirt roads, and less than five miles of pavement..

XTERRA Lake Tahoe is a renowned off-road triathlon and trail running event set in the stunning natural landscape of Lake Tahoe, United States. The classic triathlon course features a 1.5K swim in the crystal-clear waters of Lake Tahoe, followed by a challenging 35.5K bike ride that includes a sandy..

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 technical dirt trails, fire roads, and some asphalt sections. The course showcases sha..

The Pocatello Fall Ultra is an exciting running event held in Pocatello, Idaho, featuring multiple race distances including 100K, 60K, and a 15-20 mile option. Participants can expect challenging courses with significant elevation gains, primarily on scenic single-track trails. The event offers chip..

The Mud Creek Crawl Trail Run is a popular event held at Pine Haven Recreation Area in Sanford, MI, featuring challenging trail courses through natural terrain, including turf, sand, mud, roots, and rocks. The race offers both 5K and 10K options, with distinct courses marked by different colored fla..

The Storybook Half Marathon is a friendly trail running event held in Roosevelt Forest, Stratford, Connecticut. The course consists of 1.64-mile loops repeated eight times, totaling the half marathon distance of 13.1 miles. Runners, joggers, hikers, and walkers are all welcome, with a four-hour time..

The Red River Run, organized by the Lake Agassiz Pacers, is a celebrated running event that has been taking place since 1974. This year marks its 51st anniversary, featuring scenic trails along the river in Moorhead, Minnesota. Participants can choose between a 5k and a 15k race, both of which are U..

The Snow Mountain Ranch Trail Race is a scenic trail running festival held in Granby, Colorado, featuring multiple race options including a 50K, 33K, half-marathon, 10K, and 5K. The courses wind through the picturesque Snow Mountain Ranch, offering challenging terrain with significant elevation gain..

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..

The Horsethief Canyon Trail Run is a 10K race held at Kanopolis State Park in Marquette, Kansas. The course features a mix of terrain, including hills, rocky sections, sand, and shallow water crossings, with approximately half a mile of road at the start. The trail is multi-use, accommodating equest..