Trail Running Calendar South Dakota 2025-2026

The TutHell 50K is a unique running event taking place in Sioux Falls, SD, where participants tackle a challenging 0.31-mile loop up and down Tut Hill, completing it 100 times for a total of 31 miles. With a 12-hour time limit, runners experience approximately 90 feet of elevation gain and loss per..

The XTERRA Deadwood Mickelson event, part of the XTERRA Trail Run World Series, will take place in Deadwood, South Dakota, on May 31 and June 1, 2025. This exciting running event features a variety of races, including a 5K trail run, a kids' 1K, a full marathon, a half marathon, and a marathon relay..

The Black Hills 100 is an ultramarathon event held annually in Sturgis, South Dakota, featuring four race distances: 100 miles, 50 miles, 50 kilometers, and 30 kilometers. The race takes place on the scenic Centennial Trail, known for its challenging terrain and significant elevation changes, with t..

The 605 Trail Fest is an exciting running event scheduled for August 9, 2025, at Good Earth State Park in Sioux Falls, SD. 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 Youth Trai..

The Lean Horse Ultra Marathon is an annual running event held in August in the scenic Black Hills of South Dakota, featuring a variety of race distances including 100 miles, 50 miles, 30 miles, and 20 miles, as well as a unique 30-mile Black Hills CrossFit Edition. The course runs along the George S..

The Blood Run is an endurance running event held in Lennox, SD, featuring races of varying lengths: 3, 6, 12, 24, and 36 hours. Set on a scenic 1.5-mile loop around an organic vegetable farm, participants can enjoy a mostly flat course with well-traveled dirt paths. The event encourages camaraderie,..

The Great Bear Trail Races, taking place in Sioux Falls, SD, features a variety of running events including a 6-mile race, a 3-mile race, and a free kids' race. The event is set in the scenic Great Bear Recreation Area, known for its diverse trails that combine gravel paths, single-track routes, and..

The Newton Hills Trail Race, organized by the Sioux Falls Area Running Club, takes place at Newton Hills State Park and features two race distances: a 2-mile and a 6-mile course. Established in 2002, the event welcomes runners of all skill levels, providing a scenic and challenging trail experience...

The Trick or Treat Trail Run 10K is part of the annual Trick or Treat Run, which also includes a 5K and a Candy Dash for children. Scheduled for October 25, 2025, in Sioux Falls, SD, the event takes place at Pasley Park along the scenic bike path by the Big Sioux River. Participants of all ages are..

The Glacier Hills Ultra 50K is an exciting trail running event taking place at Newton Hills State Park in Canton, South Dakota. Scheduled for November 1, 2025, the event features three race distances: 20K, 30K, and 50K, allowing participants to challenge themselves at various levels. The course cons..