Trail Running Calendar United States 2025-2026

The DIRWIN DASH, A Bearded Bash is a 5K run/walk event held annually at Fox River Park in Waukesha, Wisconsin, honoring the memory of Dave Irwin, a beloved guidance counselor and cross country enthusiast. The race features a scenic trail course through the woods, offering a refreshing alternative to..

Campfire 5K is a second-annual trail-style race in Almont, Michigan, held on Camp Skyline’s 200 acres. The event offers a Campfire 5K and a Campfire 1 Mile, with routes that weave through wooded trails, fields, and a private dirt road—no public roads are used. The course highlights the elevated terr..

Big South Fork Trail Race is held in Oneida, Tennessee, inside the Big South Fork National River and Recreation Area, with starts and finishes at the Bandy Creek Campground. The event offers two distances: a 17.5-mile out-and-back/loop course and a 10K trail run, both on single-track trails (the fir..

Babbitt's Backyard Ultra is a last-person-standing race held at SP Crater in Flagstaff, Arizona. The course blends dirt trails and roads with about 150 feet of elevation gain, offering views of the crater and surrounding peaks. Each loop is 4.167 miles and must be completed within an hour, with the..

Fidalgo Trail Run, set in Deception Pass State Park near Anacortes, WA, starts and finishes at Bowman Bay. The event offers 5M, Half Marathon, and Marathon distances and features a looping course that threads forested ridges, coastlines, and the Deception Pass Bridge. Course notes describe Rosario H..

Midwest Everest is a challenging ultra running event held at Cannonsburg Ski Hill in Belmont, Michigan. The race features a 100-mile and a 50-mile ultra, along with 10K and 20K trail runs over two days in late September. The 100-mile race includes over 30,000 feet of elevation gain and loss, consist..

Emerald Trail 5K Run/Walk & 10K Run is a community fundraising event in downtown Jacksonville, Florida, centered around the Lavilla School area at 633 North Lee Street. The event offers three distances: a 5K Run/Walk, a 10K Run, and a one-mile run/walk. It raises funds to support the Emerald Trail p..

The Buckeye Trail Blue Blaze Festival in Shawnee, Ohio, celebrates the Buckeye Trail within the Wayne National Forest and the Village of Shawnee. The festival offers five trail experiences: Half Marathon, 10K, 5K Run/Walk, a 10 Mile Hike, and an overnight Backpacking trek, all on the Buckeye Trail...

Bogus 50/50 is a Boise, Idaho trail ultramarathon with three distances: 50-mile, 50K, and 27K. All races start and finish at Fort Boise parking lot in the lower Boise Foothills, showcasing Boise’s premier single-track trails such as Dry Creek and Shingle Creek. The 50M winds through climbs for about..

Queen of the Ridge is a women-only endurance running event held on a family dairy farm in Arena, Wisconsin, located in the scenic Driftless Area near Madison. This unique race features a "Last Woman Standing" format where female runners complete a challenging 1 to 1.25-mile loop with at least 250 fe..

Potters Race Day returns to Potters Pasture near Brady, Nebraska (New Camp at Potters Pasture, 69123). The event offers multiple gravel-focused rides and runs across rolling central Nebraska terrain: 71-, 51-, 31-, and 11-mile gravel rides; 5k and 10k gravel road runs; plus a roughly 10-mile mountai..

The Sandusky River Trail Fun Run/Walk is held at Steyer Nature Preserve in Tiffin, Ohio. This event features two distances: a 5K and a 1-mile race, both taking participants along scenic, winding wooded trails adjacent to the Sandusky River. The 5K course includes natural terrain with stairs, narrow..

Ocean State XC Invitational features the Ocean State 5K Trail Run, held at Goddard Park in Warwick, Rhode Island (1095 Ives Road). The 5K course winds through bay-side trails and grasslands, described as a fast, flat off-road route with the start and finish near the clubhouse for the public golf cou..

Ultra Trail DE is a 6-hour trail running event held on a private 550-acre Longwood Gardens property near Wilmington, Delaware (2900 Montchanin Road). Runners tackle a roughly 5-mile loop with about 700 feet of elevation gain per lap, featuring creek crossings, twisty singletrack, rolling hills, and..

Ridge Rambler Half Marathon is held in Bridgeport, California, on the last Saturday of September. The point-to-point race starts at about 7,100 feet on the backside of Lower Twin Lakes, stays around the lake, then descends toward Buckeye Road (6,800 ft) before climbing the ridge to finish at 6,600 f..

Rollin Into The Night is a 6-hour trail race held in Louisville, Georgia. The course features a 2-mile single-track loop through trees and creek beds, with about 250 feet of elevation gain per lap. After Hurricane Helene, the route was amended to mirror the Southern Chicken Fried 25/50K layout.The e..

Pacifica Summit Run, staged at San Pedro Valley State Park in Pacifica, California, features 10K and half-marathon trail races hosted by Urban Coyote Racing. Runners enjoy postcard views of the Pacific Ocean coastline and plenty of switchbacks as they ascend the summit on the upper San Francisco Pen..

Big Woods Run in Faribault, Minnesota, features Half Marathon, 10K, 5K, and a Kids Fun Run. Registration and start area are located south of Big Woods State Park at St. John’s United Church of Christ.The course combines roads and cross-country trails, offering runners expansive views of the southern..

The Hueston Woods Trail Race takes place at Hueston Woods State Park in Ohio, offering a variety of trail running events over a weekend in late September. Participants can choose from distances including a half marathon, 10K, 5K, 20K relay, and a unique "6 Hours of Power" endurance challenge. The co..

Estes Epic is a multi-event trail challenge held in Estes Park, Colorado. The weekend features a 50k bike race, a 50k trail run, a Heavy Half Marathon, and the all-in Epic Double (50k MTB and 50k Run). After a six-year break, the race returns with remote, rugged terrain, single-track trails, steep c..