Trail Running Calendar United States 2025-2026

Trailquake 2026 is a trail running event held at Sanborn Park, Saratoga, California, featuring 5K, 10K, and half marathon distances. Runners traverse scenic single-track trails through redwoods and pines, with the 10K and half marathon courses ascending to peaks that offer spectacular views. The eve..

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

The Grand to Grand Ultra is a unique, self-supported stage footrace held in the high desert of the Colorado Plateau, USA. Covering 171 miles (275 km) over six stages in seven days, the race traverses remote desert terrain from the Grand Canyon, featuring altitudes between 5,000 and 8,700 feet. Parti..

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,..

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 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..

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 races, running on a scenic 3-mile loop trail that circles Bixler Lake, featuri..

The Taco 'Bout Fun Run is an annual event held at Buffalo Park in Flagstaff, Arizona, featuring professionally chip-timed trail races through the scenic Ponderosa forest. Participants can choose from a 10K, 5K, or a flat, stroller-friendly 1 Mile Stroll suitable for all ages and fitness levels. Kids..

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 scenic routes through the park with multiple loops depending on the distance. A unique aspect is the opt..

Rumble on the Ridge is a challenging Last Person Standing ultrarunning event 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 grave..

The Oil Creek 13 Stacked Trail Race, held annually at Drake Well Museum and Park in Titusville, Pennsylvania, offers a unique trail running experience. The event features two distances: a 5-mile and a 13-mile race, both utilizing the scenic Gerard Hiking Trail and other paths within Oil Creek State..

The O'Neill Park Trail Races, held in Trabuco Canyon, California, offer a scenic and challenging trail running experience in South Orange County's beautiful O'Neill Regional Park. The event features multiple race distances including 10K, half marathon, 30K, marathon, and 50K, catering to a wide rang..

The 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..

Endure Trail Runs, part of the Human Potential Running Series, is held annually at Mueller State Park near Divide, Colorado. The event offers multiple distances including a unique 12-Hour timed run, a marathon, half marathon, and 10k, all featuring scenic courses on double-track and single-track tra..

Iron Will Backroads is an ultramarathon event held in Enterprise, Kansas, featuring 50K, 100K, and 100-mile race distances. The course consists of 7.7-mile loops on a mix of gravel and asphalt roads, with 50K runners completing 4 loops, 100K runners 8 loops, and 100-mile runners 13 loops. A full aid..

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 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 Berryman 50 Mile and Marathon Trail Races take place annually at Berryman Campground in the Mark Twain National Forest, Missouri, between Steelville and Potosi. The event features two distances: a 50-mile ultra and a marathon, both run on the scenic, hilly Berryman Trail, a 26.4-mile single-trac..

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 Superior Spring Trail Race is a scenic and challenging trail running event held in Lutsen, Minnesota, along the Superior Hiking Trail near Lake Superior. It offers three race distances: 12.5K, 25K, and 50K, catering to a range of runners from casual to ultrarunners. The course features rugged te..