Trail Running Calendar United States 2025-2026

The Muir Woods Marathon, Half Marathon, and 7 Mile trail runs take place annually at Stinson Beach, California, starting from the Stinson Beach Parking Lot. This challenging event leads runners from sea level up into the dense, scenic trails of Muir Woods, following the famous Dipsea Trail to Steep..

The Waves & Whales 5K Trail Run is an annual event held on the Mendocino Coast in Point Arena, California. The scenic course starts behind City Hall in a conifer forest near Highway 1, follows coastal bluffs along the Point Arena-Stornetta Unit of the California Coastal National Monument, and loops..

The TARC Wapack and Back is a challenging trail running event held annually in Ashburnham, Massachusetts, along the scenic Wapack Trail. Offering three distance options—21.5 miles, 43 miles, and 50 miles—the race features rugged terrain with rocky ledges, boulder fields, granite slabs, and technical..

The Valkyrie Trail Race, held in Cheyenne Mountain State Park near Colorado Springs, Colorado, is a women-focused trail running event offering distances from 4 miles up to 50 kilometers. The course begins on crushed limestone meadows before transitioning to singletrack trails ascending Cheyenne Moun..

3 Days at the Fair is a multi-day ultrarunning event held at the Sussex County Fairgrounds in Augusta, New Jersey. The event features a certified 1-mile flat loop course composed of pavement and crushed gravel, suitable for various race distances including 6, 12, 24, 48, 72, and 144-hour races, as w..

The Cruel Jewel 100 is a challenging 104-mile ultramarathon held in the scenic Chattahoochee National Forest in the North Georgia Mountains. The course features 92 miles of trails and 12 miles of mountain roads, with 20 aid stations along the route. Runners experience technical single-track trails,..

Run for Amma is an annual charity running event held at Skyline Ridge Open Space Preserve in Los Gatos, California, supporting UCSF cancer research. Celebrating its 15th anniversary, the event offers three race distances: a challenging 50K with 5,266 feet of elevation gain, a 30K with 3,629 feet of..

The Galena Sky Trail Race is an annual trail running event held at Chestnut Mountain Resort in Galena, Illinois, typically on the third weekend of May. The race features challenging, runnable trails winding through ski hills with majestic views of the Mississippi River and neighboring states Iowa an..

Rumble on the Ridge is a challenging Last Person Standing ultramarathon held on a historic dairy farm near Arena, Wisconsin, in the scenic Driftless Area. Participants run a 1 to 1.25-mile loop called "The Drifty Mile," featuring 250-300 feet of elevation gain over mixed terrain including gravel roa..

The Race to the Tower Trail Run takes place in Palisades Park, Oneonta, Alabama, offering distances of 5K, 10K, 15K, and 20K. The course combines half park road and half improved trail, featuring multiple loops depending on the distance. A unique aspect is the option to climb a tower at the finish t..

The O'Neill Park Trail Races take place in Trabuco Canyon, California, offering a variety of distances including 50k, marathon, 30k, half marathon, and 10k. Set within the scenic O'Neill Park, the event features spectacular trails that showcase the natural beauty of South Orange County. Known for it..

The Bishop High Sierra Ultras, held at Millpond Recreation Area in Bishop, California, offers challenging high-altitude trail races including 6K, 20 Mile, 53K, 50 Mile, and 100K distances. The courses traverse scenic Eastern Sierra Nevada foothills, primarily on 4WD dirt roads with some single-track..

The Massanutten Mountain Trails (MMT) 100 Mile Run is a challenging ultramarathon held in the Massanutten Mountains within Virginia’s Shenandoah Valley. Starting and finishing at Caroline Furnace Lutheran Camp in Fort Valley, VA, the rugged course features rocky trails and steep mountain climbs tota..

The Butterfield Backyard Ultra, hosted by Happy Trails Racing, takes place at Butterfield Trailhead Regional Park in Herriman, Utah, near the Oquirrh Mountains. This unique event features a 4.167-mile loop course with 512 feet of elevation gain, mostly on scenic trails. Runners complete one loop eve..

The Silver State 50/50 is a renowned endurance trail running event held annually at Rancho San Rafael Park in Reno, Nevada. Celebrating its 41st year for the 50-mile and 50-kilometer races and 18th for the trail half-marathon, it offers challenging courses featuring rugged terrain, significant eleva..

The Rim Rock 50 Mile Trail Challenge is an inaugural ultramarathon held in Napa Valley, California, centered at Skyline Wilderness Park. The race features a challenging 50-mile solo course or a 50-mile relay for teams of two, traversing rugged trails through Skyline Wilderness Park, Napa Open Space..

The Agapé 100k + 50k is a challenging trail running event held at Camp Agapé in Fuquay-Varina, North Carolina. Scheduled for May 15-17, 2026, the race features rugged terrain with technical singletrack and gravel trails, including significant elevation gains—6,000 feet for the 50k (5 loops) and 12,0..

Quest for the Crest is a challenging trail running event held in Burnsville, North Carolina, featuring 50K, 25K, and 11K point-to-point races. Known as one of the hardest and most scenic races in the Southeast, the 50K includes 12,000 feet of elevation gain and summits Mt. Mitchell, the highest peak..

The Born to Run Ultra Marathon Extravaganza is a multi-day trail running event held in Los Olivos, California. Scheduled for May 16, 2026, it offers a variety of distances including 10, 20, 30, and 100 miles, as well as challenging 3-day and 4-day race options. The event is part of the AllWeDoIsRun..

The Armed Forces Endurance Run (AFER) is a timed endurance running event held at Bixler Lake Park in Kendallville, Indiana, honoring active duty service members and veterans. Participants can choose from 6, 12, or 24-hour race options, running loops on a scenic 3-mile course that circles Bixler Lake..