Trail Running Calendar South Dakota 2025-2026

The XTERRA Deadwood Mickelson is a trail running event held in Deadwood, South Dakota, part of the XTERRA Trail Run World Series. Set in the scenic Black Hills, the course features diverse terrain including abandoned mining towns, railroad trestles, mountains, monolithic rock formations, and creeks,..

The Rattler 5 Miler is a scenic 5-mile trail race held in Rapid City, South Dakota, at Black Hills Running Co., located at 1130 West Omaha Street. Set on the picturesque M Hill, the course features winding paths and steady climbs, offering a challenging and enjoyable experience for trail runners. Th..

The Black Hills 100 is a challenging ultramarathon held annually in late June in Sturgis, South Dakota, along the Centennial Trail (#89) and Deerfield Trail (#40). The event offers four distances: 100 miles, 50 miles, 50 kilometers, and 30 kilometers. The 100-mile race features approximately 108 mil..

The Mystic Mountain Trail Run is an annual 8-mile trail running event held in Mystic, South Dakota. Celebrating its 54th edition in 2025, the race offers a traditional trail running experience through scenic terrain near Mystic. The event features multiple divisions, including age groups from high s..

The Haven Half Marathon, 30k & 10k is a scenic running event held on the Tomaha Trail in Hisega, South Dakota. Scheduled for July 26, 2025, it offers three race distances: a challenging 30k (20.5 miles) with 2,700 feet of elevation gain, a half marathon covering 12.37 miles with 1,948 feet of elevat..

The 605 Trail Fest is an exciting running event scheduled for August 9, 2025, at Good Earth State Park in Sioux Falls, South Dakota. This festival features a variety of trail races, including an 8-mile race and a 4.5-mile race, catering to runners of different skill levels. Additionally, there is a..

The Lean Horse Ultra Marathon is an annual ultra-running event held in August in the Black Hills of South Dakota, centered around the scenic George S. Mickelson Trail. Established in 2005, it offers multiple race distances including 100 miles, 50 miles, 30 miles, and 20 miles, along with a 100-mile..

Hell Canyon is a 5-mile trail race held near Custer, South Dakota, on the scenic Hell Canyon Trail in the Black Hills. The course features a challenging climb to a stunning overlook, followed by a descent through the canyon with spectacular views and several creek crossings that add excitement and r..

The Blood Run in Lennox, South Dakota, is a unique endurance running event held on a 1.5-mile loop around an organic vegetable farm. Participants can choose from 3, 6, 12, 24, or 36-hour races, including a 24-hour 4-person relay. The mostly flat course features well-traveled dirt paths and some past..

The Great Bear Trail Races take place in Sioux Falls, South Dakota, featuring 3-mile and 6-mile trail runs, along with a free kids' race of about one mile. The course is set in the scenic Great Bear Recreation Area, known for its mix of wide gravel paths, single-track trails, and grassy sections, wi..

The Newton Hills Trail Race, held annually at Newton Hills State Park near Canton, South Dakota, offers two distances: a 2-mile and a 6-mile race. The event welcomes runners of all levels, from beginners to veterans, with the shorter race providing a family-friendly introduction to trail running. Th..

The Trick or Treat Trail Run 10K is part of the annual Trick or Treat Run, taking place on October 25, 2025, in Sioux Falls, SD. This event features a 10K run, a 5K run/walk, and a Candy Dash for children aged 3-10. Participants can enjoy a festive atmosphere, including a costume contest with prizes..

The Glacier Hills Ultra is a trail running event held annually at Newton Hills State Park near Canton, South Dakota, typically at the end of October or early November. It offers three race distances: 20K, 30K, and 50K, each consisting of multiple loops on a challenging 10K course with approximately..

The TutHell 50K is a unique ultramarathon held in Sioux Falls, South Dakota, featuring a challenging course that consists of running a 0.31-mile loop up and down Tut Hill 100 times. The course includes approximately 90 feet of elevation gain and loss per loop, with a well-marked single-track route o..