Trail Running Calendar United States 2025-2026

The Yeti Snakebite 50/50 returns in August at Sweetwater State Park near Lithia Springs, GA, in the Atlanta area. The race centers on a deceptively simple 6-mile loop that takes you over the river, through the woods, and into the pain cave. The clock runs for 8.88 hours, and participants can go as f..

The Grand Traverse Mountain Run is a 40-mile, point-to-point ultra from Crested Butte to Aspen, Colorado, climbing the Elk Mountains with more than 6,000 feet of elevation gain. It follows the Grand Traverse Backcountry Ski race route and is run as a fundraising event for Crested Butte Nordic. The c..

Rock Hawk Trail Races, held at Philip S. Miller Park in Castle Rock, Colorado, offer four distances: 50K, 25K, 10K, and 5K. Runners traverse the rolling Miller Park and Ridgeline trails, described as gorgeous and thrilling but not overly technical, with sweeping views.The course provides a solid cha..

Camp Bethel PEP! 5K Run/Walk is the 9th annual fundraiser held at Camp Bethel, located at 328 Bethel Road in Fincastle, Virginia. The 5K course traverses a mix of trails, fields, and forests across the camp’s 470-acre property, suitable for runners and walkers alike. The $40 participant fee includes..

Zombie Backyard Ultra is an endurance event held at Oak Mountain State Park in Pelham, Alabama. It uses a Backyard Ultra format: a 4.167-mile loop with roughly 500 feet of gain, repeated every hour until only one racer remains. The course allows competitors to set up tents or canopies for supplies;..

The Sneffels Round, organized by Sky Pilots Endurance Navigators, is a free mountaineering endurance challenge based in Ouray, Colorado. Participants race the 100-hour clock by building their own route through roughly 39 peaks, including Mt. Sneffels, with several elective options that let finishers..

Leaky Hourglass Ultra, hosted in Half Way, Missouri, is a Last Man Standing ultramarathon with a twist: each lap of the 4.167-mile out-and-back course reduces the cutoff by one minute. Runners traverse a chip-sealed rural highway with rolling hills, about 250 feet of elevation per lap, and the event..

Black Bear Trail Races, hosted by White Mountain Endurance in Waterville Valley, New Hampshire, offers four distances: a 50K ultramarathon, a 23K, a 4-mile forest trail run, and a 1-mile Bear Cub Fun Run for families. All courses start and finish at Waterville Valley Town Square. The 50K loops aroun..

Cirque Series returns to Grand Targhee, Wyoming, on August 30, 2025. The race covers 7.1 miles with about 2,212 feet of vertical gain, starting at the base near the Dreamcatcher chair. The route climbs via the Teton Vista Traverse into Mary’s Ridge, with an ascent up Mary’s Nipple and Peaked Mountai..

Booneville Backroads Ultra takes place in Booneville, IA, offering 100 Miler, 100K, 50K, and 10K distances. The course winds through the Bridges of Madison County area and rural Iowa, with thousands of feet of elevation gain, rolling hills, and, in wet weather, some gnarly level-B roads. The event e..

The Dandelion Run is an entry-level trail race held at Camp Mt. Luther in Mifflinburg, Pennsylvania. Scheduled for August 30, 2025, it offers both 5K and 10K distances, with the 10K being a double loop of the 5K course.The trail is marked with mile indicators and includes one water stop. Electronic..

The Calarat Challenge Trail Running Festival takes place in Jamestown, Colorado, at the Cal-Wood Education Center, a nonprofit dedicated to outdoor education. Held over Labor Day weekend, the event features multiple trail races including a half marathon, 10K, 5K, Kids 1K, and combination races like..

The Leave No Trace Trail Half Marathon, held at Camp Manatoc in Peninsula, Ohio, offers runners and hikers a challenging and scenic experience on private trails usually closed to the public. The event includes a half marathon, a 15k, and a 5k, with courses featuring single-track paths through white..

Creede Mountain Run, held in Creede, Colorado, offers four distances: 2 miles, 12 miles, 22 miles, and 50K. The race begins in the historic mining town and climbs Willow Creek, passing old mines perched on vertical cliffs near the Black Pitch. The 12-mile course completes the Bachelor Loop, while th..

Temptation 200 Ultras is an endurance ultramarathon held in Forest City, Illinois, at Sand Ridge State Forest. Runners choose among 200K, 50K, or the Not At All Tempted 10K options, with the long race offering a multi-loop course through wooded trails and camping at the start/finish. The event empha..

The Barn-B-Q Trail Festival, held in Berkeley Heights, NJ, is a unique outdoor event combining trail running, hiking, and a lively barn party. Set in the historic Deserted Village of Feltville within Watchung Reservation, participants can enjoy self-guided trail tours ranging from 2 to 6 miles, with..

Foot It for Felix 5K is held in Edgartown, Massachusetts, at the Felix Neck Wildlife Sanctuary (100 Felix Neck Drive). The event offers a 5K run or walk through the sanctuary’s nature trails, with pine needle-covered paths, fields of goldenrod, and views of Sengekontacket Pond and State Beach. A Kid..

The Farm Fresh 5k and 1 mile at Gast Family Farms takes place in Saint Joseph, Michigan (5165 Lincoln Avenue). The event offers two distances—a 5k trail run and a 1-mile option—through farm fields on an informal, made-up route that can twist and turn depending on harvest activity. Runners and walker..

ZERO DARK ULTRA in Spokane, Washington is the inaugural Phase One event sponsored by Fleet Feet. This bare-bones, self-supported night endurance experience invites participants to move through darkness from sunset to sunrise, embracing adversity, resilience, and hope. Two options: run or ruck (rucks..

The Tuscazoar Endurance Race is a multi-distance ultramarathon held at Camp Tuscazoar in Dover, Ohio. The event offers 100-, 75-, 50-, and 25-mile options, plus night starts for the 50- and 25-mile races. The 25-mile loop is about 95% trail, looping mostly on Camp Tuscazoar property with a 5.5-mile..