Glacier Hills Ultra 50k

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 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 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 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..