Trail Running calendar near Sundance 2025-2026

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 BearLodge 10K is a scenic trail race held at the Bear Lodge Trail near Reuter Campground in Sundance, Wyoming. Set against the picturesque Bear Lodge Mountains, the challenging 10K course features lush forest paths and rolling elevation changes, offering breathtaking views and a true test of end..

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 a challenging ultramarathon held annually in late June in Sturgis, South Dakota, along the Centennial Trail (#89) and Deerfield Trail (#40). The event offers four distances: 100 miles, 50 miles, 50 kilometers, and 30 kilometers. The 100-mile race features approximately 108 mil..

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 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..

Hell Canyon is a 5-mile trail race held near Custer, South Dakota, on the scenic Hell Canyon Trail in the Black Hills. The course features a challenging climb to a stunning overlook, followed by a descent through the canyon with spectacular views and several creek crossings that add excitement and r..