Trail Running Calendar South Dakota 2025-2026

The Skyline Trail Run is a 5K trail race held in the Skyline Wilderness Area of Rapid City, South Dakota, near the iconic Dinosaur Park. The course starts at the Stonewall trailhead on Skyline Drive and offers runners scenic views of natural features such as spring pasque flowers. The event fosters..

The Big Hill Trail Run is an annual running event taking place at the Big Hill Trailhead near Spearfish, South Dakota. Scheduled for May 18, 2025, participants can choose between a 5K and an 8-mile course. Registration fees are $25 for both distances, with free entry for participants aged 16 and und..

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 an annual ultramarathon held in Sturgis, South Dakota, featuring four race distances: 100 miles, 50 miles, 50 kilometers, and 30 kilometers. The race takes place on the challenging Centennial Trail and Deerfield Trail, with significant elevation changes and rugged terrain, inc..

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 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 is a multi-distance endurance running event held near Lennox, South Dakota, from August 29 to 31, 2025. Participants can choose from various race durations, including 36-hour, 24-hour, 12-hour, 6-hour, and 3-hour races, all taking place on a 1.5-mile loop around an organic vegetable fa..

The Great Bear Trail Races is an annual running event held at Great Bear Recreation Area in Sioux Falls, SD. It features multiple race distances, including a 6-mile, 3-mile, and a free kids' race. The event offers scenic trails through wooded hills, open prairies, and bluffs, with a mix of gravel, s..

The Newton Hills Trail Race is an annual event organized by the Sioux Falls Area Running Club, held at Newton Hills State Park in South Dakota. It features two race distances: a 2-mile and a 6-mile trail run, both starting and finishing near the picnic shelter. The race showcases scenic trails with..

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 50K is a trail running event held at Newton Hills State Park near Canton, South Dakota. It offers three race distances: 20K, 30K, and 50K, with courses consisting of multiple loops on a 10K trail featuring about 850 feet of elevation gain per loop. The race course includes sc..