Trail Running Calendar South Dakota 2025-2026

The Haven Half Marathon, 30k & 10k is a scenic trail running event held at Tomaha Trail in Hisega, South Dakota. It features 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 elevation gain, and a 10k out-a..

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 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..

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 offers a mix of wide gravel paths, single-track trails, and grassy sections, with about 450 feet of elevation..

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 distance ideal for families and newcomers to trail running. The 6-..

The Trick or Treat Trail Run 10K, held annually in Sioux Falls, South Dakota, takes place at Pasley Park along the scenic Big Sioux River bike path. This festive event offers a 10K run, a 5K run/walk, and a Candy Dash for children aged 3-10, featuring a 0.5-mile course. Participants enjoy a fun, fam..

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 of a challenging 10K course featuring approxima..

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, traversing grassy terrain with a well-m..

The XTERRA Deadwood Mickelson is a trail running event held in Deadwood, South Dakota, set in the scenic Black Hills. Part of the XTERRA Trail Run World Series, it offers multiple race distances including a 42K marathon, 21K half marathon, 5K trail run, a kids' 1K, and a marathon relay. The course f..

The Black Hills 100 is an ultramarathon event held in Sturgis, South Dakota, featuring four race distances: 100 miles, 50 miles, 50K, and 30K. The challenging 100-mile course actually measures about 108 miles, starting and ending at Sturgis City Park, and follows the Centennial Trail with a mix of s..