Trail Running Calendar United States 2025-2026

Billy Goat Mountain Climb takes place in Silverado, California, in the Cleveland National Forest, with the start/finish on Maple Springs Road near Lost Woman Canyon. The event offers three distances: the Silverado Loop at about 17 miles with roughly 3,800 feet of elevation gain; a half-marathon clim..

Tejas Trails' Hells Hills Trail Race takes place at Rocky Hill Ranch in Smithville, Texas, near Bastrop and Austin. It offers distances: 50 mile, 50 km, 25 km, 10 km, plus 25k and 10k Rucks, and a Youth 1-Mile Run. The course features steep hills on well-marked single-track with stream crossings, pi..

Mudslinger Trail Run is a half marathon held in Blodgett, Oregon, as part of the Mudslinger Festival. The course winds through Blodgett’s forest trails, offering a solo challenge or the option to join forces for the Ultimate Mudslinger by also tackling the festival’s cross-country mountain bike race..

Save the Drama for your Llama 6 Hour Trail Run is a six-hour trail running event held at Luhr County Park in La Porte, Indiana. The course is a 1.7-mile loop, and participants aim to rack up as many laps as possible within the 6-hour window (a lap not completed before the 3:00 p.m. cutoff does not c..

Hoppy Easter in Griffith Park, Los Angeles, is an open-course running festival organized by ABetterWorldRunning. The event offers 5k, 10k, 15k, and a half marathon, all run on a dirt trail within the park. The course is marked with cones and signs on a shared path, with pedestrians and equestrians s..

Set in the Marin Headlands, the Golden Gate Headlands Marathon, Half Marathon & 10K starts and finishes at the Historic Gunnery Range in Rodeo Valley, Mill Valley, California. The course traverses scenic single-track trails and fire roads, offering panoramic views of San Francisco Bay, the Golden Ga..

The Long Run is an ultra-style race organized by The Running Kind at Jacobsburg State Park. The course features a give-or-take five-mile loop that blends scenic single-track with flat, fast gravel sections and about 450 feet of elevation gain per loop. Runners may complete a single loop or accumulat..

The Passion Play Trail Run, held in Eureka Springs, Arkansas, offers a unique running experience on the scenic Great Passion Play Trails, part of the Oz Trail System. Scheduled for April 4, 2026, the event features four distances: a Fun Run, 5k Trail Run, 5 Mile Trail Run, and a Half Marathon Trail..

Incline Vista, held near Redmond, Oregon, offers two mountain trail distances: 20 miles and 15 miles. Billed as an early-season opener and a local favorite, the race climbs Cline Butte for sweeping, 360-degree views of the Cascades to the west and Smith Rock and Ochoco Mountains to the east. The 20-..

Diablo Trails Challenge is a trail-running event held at 1700 Castle Rock Road, Walnut Creek, CA, in support of Save Mount Diablo. The race offers multiple distances to suit all levels: 50K, half marathon, 10K, and 5K, plus a Remote Runner option. The course traverses Mount Diablo’s open-space trail..

New South Trail Marathon at Whitewater Center in Charlotte, NC, offers full and half marathon options on the center’s trail network. The courses cover 13.1 and 26.2 miles of natural surface trails with uneven terrain, clearly marked with colored arrows. The event fosters a trail-running atmosphere a..

Wolf Creek Trail Run is a community trail event in Poplar Bluff, Missouri, on the Wolf Creek Trail off Forestry Road 3107. The race offers three options: a half marathon, a 6K, and a 1.7‑mile Walk The Forest. It is hosted by the Poplar Bluff Kiwanis Club with the US Forest Service to raise funds for..

Big Bear Squatch North is a challenging trail running event held at Harriman State Park in Bear Mountain, New York. Featuring a half marathon and 10K races, including a new rucking division with lightweight (15 lbs) and heavyweight (30 lbs) pack categories, the event showcases rugged, technical moun..

Sunrise Scramble is a night-to-dawn trail running event at Glendo State Park in Wyoming, centered at the Two Moon Campground (397 Glendo Park Road). Runners choose from five loops (1.41–13.6 miles) to complete within one of three timed formats: 3 hours, 5 hours, or the full ~10-hour race aimed to be..

The Everyone Runs Catalina State Park Half Marathon and 5.3 Mile Trail Races take place in Tucson, Arizona, within the scenic Catalina State Park. This popular event offers two trail race distances: a half marathon (13.1 miles) and a 5.3-mile race, both starting and finishing at the park's trailhead..

Race The Ranch is a winter snowshoe race held in Granby, Colorado on the Snow Mountain Ranch YMCA property. It offers three distances: 5k (1 lap), 25k (2 laps), and 50k (4 laps), designed to accommodate runners of all levels. The course combines singletrack, doubletrack, and groomed snowshoe trails,..

The Molon Lave 5k is a scenic cross-country running event held at Molon Lave Winery in Warrenton, Virginia. The course features three loops around the winery property, offering a fairly flat terrain with natural vineyard surroundings. Walkers are welcome, and a virtual race option is available for r..

The Muddy Duck is a trail running event held at the Rocks and Roots Trail in Alum Creek State Park, Lewis Center, Ohio. Scheduled for April 5, 2026, it offers multiple race distances: 6K, 10K, 20K, and 50K. The course features loops on a trail designed by runners, providing a unique experience each..

DoNot Stop Half Marathon (5k/10k) - Toledo, by Bodies Race Company, is a family-friendly running event in Toledo, Ohio. Distances include 1 mile (untimed), 5K, 10K, and a Half-Marathon, plus a Kid’s Dash, Volunteer‑then‑Run, and a Virtual Race. The course uses local parks to minimize community impac..

The Rockland Rad Run is a trail running event held at Forever Farm in Mertztown, Pennsylvania, featuring a half marathon, 10k, and 5k distances. Set amidst the scenic Pennsylvania woods, the course offers a challenging experience through rolling, rugged terrain, ideal for trail running enthusiasts...