Trail Running Calendar United States 2025-2026

Legends Never Die is a challenging trail running event held in Oregon Gulch near Ketchum, Idaho, set against the stunning autumn backdrop of Sun Valley. The event features two main races: a Half Marathon (13.1 miles) with a 2,372 ft elevation gain reaching 7,600 ft, and a 55 km Ultra Marathon (appro..

Blackout in Emmaus, PA, is a rugged nighttime trail running event hosted by The Running Kind. The race features a challenging 10K course on South Mountain, covering over 1,000 feet of vertical gain through technical, mountainous terrain. Participants can choose the "Lights On" option, starting at du..

The FLATS Trail Half Marathon in Kirksville, Missouri, is a scenic 13.1-mile point-to-point race along the shores of Forest Lake. The course features a mix of hills, rocks, roots, fast singletrack, and water crossings, offering a moderately challenging trail run with beautiful fall foliage views. Ru..

The Perpetua Coast trail runs take place in the scenic coastal village of Yachats, Oregon, within the Cape Perpetua National Scenic Area. The event offers three distances: a 50K, a 20-mile lollipop-loop course, and a point-to-point half marathon. Runners experience diverse Oregon Coast landscapes, i..

The Hennepin Hundred is a premier ultramarathon held in Sterling, Illinois, featuring 100-mile, 50-mile, 50K, and 100-mile team relay races. The point-to-point course follows the scenic, flat, and fast Hennepin Canal State Trail, Illinois’ longest multi-use trail, stretching from Sterling to Colona..

Rocky's Backyard Ultra is a unique ultra trail race held at the YMCA of the Rockies in Estes Park, Colorado, known as the highest organized Backyard Ultra in the world. Runners complete 4.167-mile laps on a challenging singletrack course featuring about 500 feet of elevation gain and loss per lap, w..

The Star City San Bruno Mountain Half Marathon & 5K, held in Brisbane, California, offers a scenic trail running experience with spectacular views of the Pacific Ocean, San Francisco Bay, and the city skyline. The half marathon course is 93% trail, featuring 2,400 feet of elevation gain and a thrill..

The Gone Fir A Run 50K is a trail running event held at Riverside State Park in Spokane, Washington. The course offers a beginner to intermediate level challenge with rolling terrain featuring short hills, rocky sections, forest trails, and open prairie. Runners enjoy scenic views of the Spokane Riv..

The Dana Peak Trail Run takes place at Dana Peak Park in Harker Heights, Texas, along the north shore of Stillhouse Hollow Lake, about an hour from Waco and Austin. The event features challenging trail runs with rocky terrain and significant elevation changes, offering scenic views of the lake from..

Saddles 100 is an ultramarathon event held in Prescott, Arizona, offering runners the choice of a 50- or 100-mile loop course. The race features some of the best local trails, providing a challenging and scenic experience. In 2025, the course will be run counterclockwise, with 50-mile participants c..

NEO24 is a 24-hour and 12-hour ultrarunning event held in Brunswick, Ohio, established in 2024 as a successor to the popular NorthCoast 24 race. The race features a USATF-certified 0.996-mile loop course with minimal elevation gain, set around the scenic Brunswick Lake. Designed to be inclusive, it..

Run-a-Muck is an annual 5K running and walking event held in the scenic Willistown countryside, supporting local land preservation efforts. Participants can choose to run the 5K or "muck" the cross-country trail, which features diverse terrain, encouraging appropriate attire. The event offers a fest..

The Bull Mountain Epic is a challenging trail running event held in Dahlonega, Georgia, featuring a 50K and a half marathon. The race takes place on the Jake and Bull Mountain Trail system, which consists of three distinct loops, each about 10 miles long. Half marathoners run one loop, while 50K par..

The Reservoir Dogs Trail Run in Orinda, CA, offers a scenic trail running experience around the Briones Reservoir on EBMUD trails, typically permit-only. Scheduled for October 4, 2025, the event features three distances: 10K, Half Marathon, and 35K, all starting and finishing at the San Pablo Reserv..

The New River Gorge Wilds Trail Run, held at ACE Adventure Resort in Oak Hill, West Virginia, offers runners a chance to experience the stunning scenery of the New River Gorge. Scheduled for October 4, 2025, the event features three race distances: a full marathon, half marathon, and 5K, catering to..

The Lapham Peak Colorama Run/Walk is an annual fall running event held at Lapham Peak State Forest in Delafield, Wisconsin. Celebrating its 36th year in 2025, the event features 5K and 10K courses on wide, well-groomed ski and hiking trails, with the 5K covering the park's middle level and the 10K f..

The Yankee Springs Fall Festival, held at Deep Lake Campground in Middleville, MI, is an annual trail running event featuring 10K, 25K, and 50K distances. The 10K and 25K courses consist of scenic, rolling single-track loops, with the 50K being two laps of the 25K route. Participants enjoy a beautif..

The 2025 Outdoor X12 Endurance Run, held in Dayton, Ohio, is a 12-hour timed endurance event featuring a flat, 2.7+ mile loop course composed of 4% bike path and 96% grass/trail double track. Produced in collaboration with Five Rivers Metroparks and Subaru Outdoor Experience, participants aim to cov..

The S'more Fun Trail Run takes place at Mirror Lake State Park in Baraboo, Wisconsin, offering a variety of distances including a Mini-Marshmallow Mile for kids 11 and under, 5K trail walk and run, 10K trail run, and a half marathon trail run. Participants experience scenic trails featuring Mirror L..

The Arkansas Traveller 100 is a historic 100-mile ultramarathon held annually in Perryville, Arkansas, set in the scenic Ouachita Mountains. The course features a challenging 17-mile loop followed by an 83-mile out-and-back route on forest roads, jeep trails, and an eight-mile section of the Ouachit..