Sen. Darline Graham defeated Rep. Ralph Norman in the South Carolina Republican Senate primary runoff on Tuesday, Aug. 25, 2026 [1].
The victory ensures that Graham will lead the Republican ticket in the general election this November. Her win maintains the party's hold on a critical seat in the U.S. Senate during a high-stakes election cycle.
NBC News projected the victory following the runoff vote [2]. Graham entered the race as an appointed official, having been selected to fill the seat previously held by her brother, Lindsey Graham, who died [3].
Throughout the primary process, Graham received the backing of former President Donald Trump [3]. This endorsement provided significant momentum as she faced off against Rep. Norman in the final stage of the primary process.
The runoff election took place on Aug. 25, 2026 [1]. The contest served as the deciding factor for the GOP nomination in South Carolina, resolving the competition between the appointed senator and the sitting representative.
Graham now shifts her focus to the general election. The November contest will determine if she can transition from an appointed senator to an elected official in her own right.
“Sen. Darline Graham defeated Rep. Ralph Norman in the South Carolina Republican Senate primary runoff”
Graham's victory suggests that the endorsement of former President Donald Trump remains a potent force within the South Carolina GOP. By defeating a sitting representative, the appointed senator has validated her standing within the party and positioned herself as the primary obstacle for any Democratic challenger in the November general election.
