South Dakota's 2026 gubernatorial race marks a historic first in the state's electoral process
In short: The 2026 South Dakota gubernatorial election is defined by a unique political milestone: the state's first-ever primary runoff. Triggered by a 1985 law, this mechanism was activated after no candidate secured 35% of the vote in the Republican primary, fundamentally altering the path to the November 3 general election.
The 2026 election cycle in South Dakota features incumbent Republican Governor Larry Rhoden seeking his first full term. Rhoden assumed the governorship in 2025 following the resignation of Kristi Noem, who departed to serve as the secretary of homeland security. Rhoden had previously served as lieutenant governor alongside Noem since 2019. His current running mate is Tony Venhuizen, who has served as lieutenant governor since 2025.
A significant procedural development occurred during the primary phase. Because no candidate in the Republican primary reached the 35% threshold, a runoff election was required on July 28, 2026. This event marked the first time the state utilized a runoff process since the enactment of a 1985 law mandating such contests for gubernatorial and Congressional primaries. The field of potential Republican contenders included figures like retail and real estate executive Toby Doeden and Speaker of the South Dakota House of Representatives Jon Hansen, who ran with Speaker Pro Tempore Karla Lems.
On the Democratic side, the party aims to break a long-standing electoral drought, having not secured a gubernatorial victory in the state since 1974. The Democratic ticket includes Dan Ahlers, the executive director of the South Dakota Democratic Party, and his running mate, former state representative Steven McCleerey. Other notable figures in the broader political landscape, such as U.S. Representative Dusty Johnson and Sioux Falls Mayor Paul TenHaken, have been associated with the 2026 cycle, while others like Attorney General Marty Jackley and U.S. Senator Mike Rounds pursued different paths, such as seeking re-election to their current federal or state offices.
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