Trail Running Calendar United States 2025-2026

We have found 2563 Trailruns in United States. Check below where and when you can find the races.

The Mental Health Ultra Marathon, held in Newnan, Georgia, offers 50K, half marathon, and 10K distances on a scenic 6-mile single-track loop featuring rolling hills and 450 feet of elevation gain per loop. The course is designed to accommodate runners of all experience levels, with the 10K covering..

The Community "Run at the Rock" 5K Trail Run takes place at Woodland High School in Cartersville, Georgia. This event features a challenging 5K course known for its mix of grass and rugged trails, highlighted by a steep 90-foot ascent called "The Rock" during the second mile. The race tests runners'..

The Hill is a challenging multi-hour looped trail running event held in Petersburg, Tennessee. Participants choose to run for 3, 6, or 12 hours on a 3-mile trail that has previously been used only for horses. The course features a demanding 1,000 feet of elevation gain and loss, promising a tough an..

Cohutta Madness is an ultramarathon event held near Conausaga Lake in Chatsworth, Georgia, featuring timed loop races of 4, 8, and 12 hours. Participants run around Lake Conausaga, the highest lake in Georgia, on mostly flat trails surrounded by scenic rhododendron, hemlocks, and soft pine straw for..

The Chino Hills Trail Run Series, held at Chino Hills State Park in Brea, California, offers challenging trail races in scenic natural surroundings. The fall event features 30K and 50K distances, with well-marked courses that traverse hilly terrain and showcase native plants and wildlife. Aid statio..

Fast Bananas Trail Race at Serenbe takes place in Serenbe Community at 11090 Serenbe Ln, Palmetto, Georgia. The event offers three courses: 5K, 10K, and a kids’ 1-mile Mado Mile (ages 5–12). Parents may accompany children on the Mado Mile but won’t receive medals.The race emphasizes a banana-themed..

4 Fore 30 Infinity Backyard Ultra, held in Macks Creek, Missouri, is a Last Man Standing ultramarathon following the Backyard Ultra format. Runners cover a 4.1667-mile loop (6.7056 km) every hour, with the field shrinking as each loop is completed. The course is a loop or out-and-back and must be fi..

The Tierra Redonda Mountain Trail Run and Camp is a trail running event held in Bradley, California. It offers multiple race distances including 48-hour, 24-hour, 20km, 10km, and 5km options, catering to a wide range of endurance levels. The event takes place in a scenic mountain setting, providing..

The Abominable Trail Race is an exciting autumn trail running event held annually at LG Ziplines and Adventures in Lake Geneva, Wisconsin. It features three race distances: 5K, 15K, and 30K, with the 30K available for individual runners or teams of 2 to 4 in relay format. Participants navigate chall..

The Monument Valley Veterans Marathon & Half Marathon takes place in the stunning Monument Valley Navajo Tribal Park, located on the Arizona/Utah border. The event features a challenging marathon capped at 100 runners, running mostly on dirt and jeep roads through dramatic backcountry landscapes inc..

The Ripon Turkey Trail Run is a community-focused running event held in Ripon, California, at Mavis Stouffer Park along the Stanislaus River Trail. Scheduled for November 15, 2025, the race offers three distance options: 5K, 10K, and a half marathon (13.1 miles). Participants receive a custom techni..

Falcon Crest Winter Trail Challenge takes place in the foothills of El Dorado Hills, California, at the Falcon Crest Parking Lot / Monte Vista Trailhead near Folsom Lake. The event offers six distances: 5K, 10K, 15K, half marathon, 30K, and a trail marathon. Runners navigate dirt and rocks on mostly..

The St. Joe Valley Happy Trail Run takes place at St. Patrick's County Park in South Bend, Indiana.This event offers multiple distances including a 1-mile fun run, 5k, 10k, and a half marathon, all on beginner-friendly trails with beautiful scenery. The course features loops: 5k is one loop, 10k two..

Looking Glass 100k is a scenic ultramarathon through Pisgah National Forest around Looking Glass Rock, near Asheville, North Carolina. The route covers about 62 miles with roughly 10,600 feet of elevation gain and loss, weaving through diverse ecosystems—from cove hardwoods and boreal balsam woods t..

Dead Horse Ultra is a popular trail running event held in Moab, Utah every November. The race offers four distance options: 50 Miler, 50K, 30K, and 15K. Runners traverse the Magnificent Seven trail system, featuring technical slickrock, rugged climbs, and sweeping canyon vistas.The course uses Gemin..

Talaria Trail Run is a fall trail event held at Trap Pond State Park in Laurel, Delaware. It features a 4.5-mile Race and a 2-mile Walk. The course follows the Bob Trail—a 4.5-mile loop around the 90-acre Trap Pond—winding through hardwood forests, crossing a dam at Raccoon Pond, and spanning boardw..

The Dirty Duel Trail Race, held at Robinette’s Trails in Grand Rapids, Michigan, is a challenging and unique 5K event offering two course options: the Short & Brutal (3.1 miles) featuring steep climbs, roots, and off-trail running, and the Long & Difficult (3.4 miles) with more mileage, twists, and..

Black Gold 24hr and 12hr Endurance Challenge takes place at Belfry High School in Belfry, Kentucky. The race uses a new 1-mile loop around the track and adjacent parking lot, offering a flat course with optional direction changes and added hills for variety. Solo runners or three-person relay teams..

NYC Trail Mix is an annual ultra trail running event held in Staten Island, New York, featuring distances of 50 miles, 50K, and a half marathon. The course showcases over 35 miles of trails through the greenest parts of New York City, including Blood Root Valley, High Rock Park, La Tourette Park, an..

Mission Tejas Trail Run returns to Mission Tejas State Park in Grapeland, Texas, on November 15, 2025. The event offers 5K, 10K, 25K, and 50K distances. After a two-year hiatus for park infrastructure upgrades, the race brings back a piney, trail-running atmosphere with a mix of straw pine-laced sin..