Endurance Grid's Race Calendar lists 2 upcoming marathons in South Dakota, in 2 cities, from September 2026.
How long is a marathon?+
A marathon is 26.2 miles (42.2 kilometers).
Which South Dakota cities host marathons?+
Marathons in South Dakota are held in Deadwood and Sioux Falls.
What other race distances are available in South Dakota?+
Beyond marathon, South Dakota races cover a wide range of distances. South Dakota also has 5Ks, 10Ks, and half marathons for running races. Additionally, Endurance Grid's Race Calendar also covers other sports, with rucking, running, and trail running races of various distances.