Trail Running Calendar United States 2025-2026

The Sylamore 50K/25K Trail Run is a challenging trail running event held in Allison, Arkansas, near the White River and north of Mountain View. Scheduled for February 14, 2026, the race offers two distances: a 50K and a 25K, both featuring out-and-back courses with a mix of trail and pavement. The 5..

The Winter Trail Fest Half Marathon and 5 Mile Run take place at Island Lake State Recreation Area in Brighton, Michigan. This winter trail event, organized by Trivium Racing, challenges participants with potentially harsh February conditions, offering a true "WTF" experience. Runners can expect a s..

The Outlaw 100 Oklahoma is a challenging trail running event held at Twin Mountains in Kinta, Oklahoma. The main 100-mile race consists of eight laps on a rugged 13-mile loop featuring over 2,000 feet of elevation gain per lap, totaling approximately 17,500 feet of climbing. The course includes rock..

The Rocky 50, by USWE Trail Race, is an annual trail running event held in early February at Huntsville State Park, Texas. It features three main distances: 50 miles, 50 kilometers, and a 13.1-mile half marathon, along with a youth 1-mile run for children 12 and under. The course offers rolling trai..

The Little Su 50K is a winter race held in Big Lake, Alaska, featuring a 50-kilometer loop course on marked trails. Participants traverse frozen rivers, swamps, and narrow, twisty forest paths, offering a challenging and scenic experience. The route showcases spectacular views of majestic mountains..

The Lost Dutchman Marathon is an annual scenic running event held every President's Day weekend in Apache Junction, Arizona, near the legendary Lost Dutchman Mine. It features multiple race distances including a marathon, half marathon, 10K, 8K trail run, and fun run. The marathon course is USATF ce..

The Sasquatch Run in Venice, Florida, is a vibrant trail running event held at Carlton Reserve. It offers multiple race distances including 15k, 10k, 5k, and a virtual race option, catering to a wide range of runners. Participants enjoy a festive atmosphere with local vendor booths, music, and commu..

The River to Clouds Trail Run is a thrilling trail running event held at Ross' Landing, Riverfront Parkway in Chattanooga, Tennessee, featuring challenging courses on Lookout Mountain. Participants can choose from a 100-mile, 50-mile, or a 27-mile "Barely Ultra" race, with options for relay teams as..

Jackpot Ultras is a premier ultramarathon event held at Cornerstone Park in Henderson, Nevada, near the Las Vegas Strip. The festival features multiple race distances including 6, 12, 24, 48-hour events, 50-mile, 100K, and 100-mile races on certified short (1.17 miles) and long (2.31 miles) loop cou..

The Flat Branch Ultra is a 50K trail running event held annually in Columbia, Missouri, typically on the third Saturday in February. The race starts and finishes at Martin Luther King Jr. Memorial Park and features a scenic rails-to-trails course along the Missouri River, passing beneath towering bl..

Run for the River is a unique 5K trail run held in Danielsville, Georgia, featuring a scenic course through bottomland and upland forests along the Broad River and Blue Stone Creek. The route offers stunning vistas of the river and forested valley from its highest elevation. Walkers are welcome, wit..

The Space Pirate 100 is an ultra running event held along Florida's scenic Space Coast and Treasure Coast, starting in Cape Canaveral and finishing on the beach in Jensen Beach. The race offers multiple distances: a 100-mile solo run, a 100-mile 3-person relay with flexible team strategies, a 50-mil..

The Dragon Trails 25K Winter Edition is a challenging trail running event held at Pearsall Park in San Antonio, Texas. It features three race distances: the Great Dragon 25K, a rugged two-loop course with 1,556 feet of elevation gain; the Ultimate Dragon 10K, covering the first loop of the 25K with..

The Angry Tortoise 50K and 25K trail runs take place in the scenic flatwoods of Cary State Forest near Jacksonville, Florida. Celebrating its 13th anniversary in 2026, this event offers a flat, forest road course ideal for both ultra and trail running beginners. Participants benefit from well-suppor..

The San Pasqual Valley Trail Race, held in Escondido, California, is a scenic running event set in San Diego's wine country. Offering three distances—10K, half marathon, and 20 miles—runners enjoy breathtaking views of vineyards and orange groves. The 10K course is relatively flat, while the half ma..

FOURmidable is a challenging trail running event held in Auburn, California, set in the scenic Sierra Nevada foothills. The race offers multiple distances including a 50K, 35.5K, half marathon, and 13K, catering to a range of endurance levels. Participants experience rugged terrain and picturesque n..

Stories Trail Runs is an annual winter trail running event held at Cheyenne Mountain State Park in Colorado Springs, Colorado, offering stunning views of Cheyenne Mountain and Pike’s Peak. The event features multiple race options including timed 6-hour, 15-hour, and 30-hour ultra runs, as well as sh..

The Cheraw 24 Hour Run, part of the Mountaineer Rumble series, takes place at Cheraw State Park in Cheraw, South Carolina. Participants run on a scenic 4.3-mile loop called the Turkey Oak Trail-Outer Loop, featuring a gentle 190-foot elevation gain. The trail offers beautiful views of local wildlife..

La Jornada de Las Quebradas is a challenging 53K trail ultramarathon held near Socorro, New Mexico, along the scenic Quebradas Backcountry Highway. The race features a rugged course with 3,300 feet of elevation gain, offering runners a stunning natural backdrop and an old-school ultra running experi..

The Florida Run @ Manatee Springs State Park is a scenic trail running event held in Chiefland, Florida, featuring 5K, 10K, and half-marathon distances. Set within the beautiful Manatee Springs State Park, runners experience an intimate course surrounded by towering cypress trees and crystal-clear s..