Trail Running Calendar South Dakota 2025-2026

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 a trail running event held at Good Earth State Park at Bloodrun in Sioux Falls, South Dakota. Scheduled for August 9, 2025, it features three races catering to various ages and abilities: an 8-mile challenging trail race for ages 14 and up, a 4.5-mile race for ages 11 and older..

The Lean Horse Ultra Marathon is an annual 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 relay..

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 7th Calvary Trail Run offers two scenic trail race options—a 4-mile and an 8-mile course—held at the Fort Meade Trailhead near Sturgis, South Dakota. Set in the beautiful Black Hills, the event features rugged, well-marked trails with wide-open views, ideal for both beginner and experienced trai..

The Great Bear Trail Races take place in Sioux Falls, South Dakota, featuring 3-mile and 6-mile trail runs plus a free kids' race. Set in the 220-acre Great Bear Recreation Area, the course includes a mix of wide gravel paths, single-track trails, and grassy sections, with about 450 feet of elevatio..

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 17th Annual Trick or Treat Run held in Sioux Falls, South Dakota, at Pasley Park along the Big Sioux River. This festive event includes a 10K run, a 5K run/walk, and a Candy Dash for children aged 3-10, covering 0.5 miles. Participants receive a goodie..

The Glacier Hills Ultra is a trail running event held annually at Newton Hills State Park near Canton, South Dakota. Taking place at the end of October or early November, it offers three race distances: 20K, 30K, and 50K. The course features a challenging 10K loop with approximately 850 feet of elev..

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 grassy terrain and a well-marked..