Trail Running Calendar United States 2025-2026

Miami 50/50 is an open-road ultramarathon in Miami, Florida, a 50-mile two-person team race through Wynwood, Miami Beach, Key Biscayne, Calle Ocho, Coconut Grove and Brickell. This fully self-supported event has no crews or traditional aid stations; teams finish together or not at all. There are thr..

The OSS/CIA 50 Mile Night Run is a challenging ultramarathon held in Prince William Forest Park, Virginia, a historic site once used to train World War II OSS spies. The race features a 25+ mile loop primarily on single-track trails, fire roads, and several bridge and road crossings, which runners c..

Kaniksu Trail Runs is a weekend of mountain running in the Colville National Forest near Frater Lake, WA. The roster spans 100K, 50M, 50K, 29K, 13.5M, Granite Grinder, Long Walk 100K, plus events like the Emory Corwine Memorial Ruck Race and the SERE Beer Mile. Runners start and finish at Frater Lak..

The Table Rock Trail Challenge is an annual Last One Standing trail running event held at Clark Reservation State Park in Jamesville, NY. Celebrating its 10th year, the race features looped courses of approximately 1.2 to 1.3 miles, traversing diverse terrain including crushed gravel, slick limeston..

Kettle Moraine is a renowned ultra marathon held in LaGrange, Wisconsin, featuring multiple race distances including a 100-mile, 100K, 50K, 38-mile, and a 100-mile relay. Established in 1996, it is one of the oldest 100-mile races in the U.S. The course is 100% trail, with about 65 miles on the scen..

YMCA Race Weekend in Central New York is a long-standing, volunteer-run multi-sport festival held at Green Lakes State Park in Fayetteville, NY. The two-day weekend features a Saturday lineup of Sprint Triathlon, Aquabike, Relay, Duathlon, and Aqua Run, followed by a Sunday 8K Trail Race. The sprint..

The Crossroads Trail Run & Walk, held annually at Crossroads at Big Creek Nature Preserve in Sturgeon Bay, Wisconsin, offers a scenic trail running experience with three distance options: 2K, 5K, and 10K. This event welcomes runners and walkers of all ages and abilities, promoting wellness, multi-ge..

The Longest Day is a unique endurance race held at Lakewood Nature Preserve in Greenville, South Carolina, featuring distances of 13.1 miles, 26.2 miles, 50k, 50 miles, and the challenging 100k. Participants race from sunrise to sunset on a 2-mile loop trail through 120 acres of forest, grass paths,..

The Nipmuck South Trail Race is a 15.7-mile out-and-back trail run held in Mansfield, Connecticut, starting at Mansfield Hollow State Park. The course follows the scenic Nipmuck Trail alongside the Fenton River, featuring varied terrain including small bridge crossings, a climb to a 50-foot cliff, f..

Tahoe 100k is a rugged ultramarathon set in the Sierra Nevada around Stateline, Nevada. The 62.9-mile course features about 11,766 feet of climbing and roughly 23,532 feet of total elevation change, with altitudes reaching nearly 9,800 feet. Runners traverse mostly singletrack trails through high-el..

The Black Mountain Trail Races, held in San Diego, California, feature challenging 50K, 25K, and half marathon trail runs. The event takes place on scenic trails that honor the land of the Kumeyaay People, emphasizing respect for the area's cultural heritage. The 50K course has recently been updated..

The Kodiak Mountain Series is a three-day mountain running stage race held in Kodiak, Alaska. Scheduled for June 18-20, 2026, the event features challenging courses with a total elevation gain of 8,000 feet over 20 miles. Each day includes a distinct mountain run, encouraging participants of all lev..

Broken Arrow Skyrace is a California skyrunning event held at Squaw Valley, now Palisades Tahoe, near Lake Tahoe. The race series offers multiple distances, including 11K, 18K, 23K and a 46K ultra, plus ascent formats and specialty challenges such as Iron Face, Iron Crown, and Triple Crown. Marketed..

Wild Woman Trail Runs hosts a women-focused trail weekend at the base of Mount Adams in Trout Lake, Washington, within the Columbia River Gorge. Now in its 15th year, the event offers multiple distances: a 50K, a full marathon, a Half Marathon, and a Marathon Relay with legs from about 4.6 to 8 mile..

Burney Mountain 100 is a 100-mile ultramarathon held in Cassel, California. The looped course starts and finishes at Burney Mountain Guest Ranch, traversing Lassen National Forest and the Thousand Lakes Wilderness for about 100 miles with roughly 15,000 feet of total elevation gain. Runners enjoy dr..

Located in North Central Washington, the TedDriven Overland Ultra Relay (TOUR) is a three-day, stage-style team relay through Leavenworth, Cashmere, Entiat, and Lake Chelan. Teams of up to eight runners cover roughly 75 miles per day across 16 legs, navigating with printed maps and elevation guides..

Manitou’s Revenge is a challenging 53-mile ultramarathon held in the Catskill Mountains, starting in Windham, NY, and finishing in downtown Phoenicia. The course follows the northern Black Dome Trail and the Long Path from Acra Point, featuring approximately 15,000 feet of rugged, rocky, and steep c..

Bears Ears Ultra is a trail running event held in the scenic Abajo Mountains near Monticello, Utah, featuring 50-mile, 50K, and 30K race distances. Participants enjoy stunning panoramic views of iconic landmarks such as Canyonlands National Park, Bears Ears National Monument, Monument Valley, and th..

Bizz Johnson's Southside Scramble is a trail running event held in Susanville, California, showcasing the scenic Susan River Canyon. The race offers three distances: the Dirty Devil's 22K, Tunnel's Blast 14K, and Hobo Special 7K, all starting and finishing at the Hobo Camp Day Use Area. The course f..

XTERRA DINO Northern Indiana unfolds near South Bend, Indiana, at the Orchard Shores Picnic Area in North Liberty. Scheduled for June 20, 2026, the race is part of the XTERRA World Tour and offers multiple off-road formats: Full Distance Triathlon (800m swim, 24K bike, 7K run), Duathlon (4K run, 24K..