A Compressed Campaign Cycle
South Carolina Republican voters are casting ballots today in a high-stakes special primary election to determine who will replace the late U.S. Senator Lindsey Graham on the November general election ballot. The sudden death of the veteran senator on July 11 from an aortic tear triggered a condensed and intense political scramble, forcing candidates to compress months of traditional retail campaigning into a mere two-week window.
Following the vacancy, Governor Henry McMaster appointed Darline Graham, the late senator’s sister, to serve as interim senator. She is now one of 10 candidates competing for the party’s nomination. The logistical challenge has been significant; according to the Associated Press, South Carolina election officials have had to organize this special primary in record time, as Graham had already secured his party’s nomination in the June 9 primary before his passing.
The Candidates and the Political Landscape
The field is characterized by a mix of established political figures and outsiders. Darline Graham enters the race with the endorsement of Donald Trump and the support of her brother’s existing state political infrastructure. However, local party leaders suggest that in South Carolina, national endorsements do not guarantee electoral success. Frank Tiller, chair of the Spartanburg county Republican party, noted that voters in the state are “fiercely independent” and often prioritize personal connection over national backing.
Among the most prominent challengers are U.S. Representative Russell Fry, who represents the state’s eastern border and has aligned himself with the fiscal hawk wing of the party, and former South Carolina Governor Mark Sanford. Representative Ralph Norman, a member of the House Freedom Caucus, is also a key contender, leveraging his existing campaign apparatus from his recent gubernatorial run. Mark Lynch, a businessman who previously challenged Lindsey Graham in the June primary, is again running as a populist outsider.
The Path to November
The winner of today’s primary will advance to face Democratic nominee Annie Andrews, a Charleston-based pediatrician, in the November midterm elections. With 84 days remaining until the general election, the Republican party is aiming to maintain its hold on the seat. The stakes are high, as Lindsey Graham secured 54% of the vote in 2020, and Donald Trump carried the state with 58% in 2024.
Election officials are monitoring voter turnout closely. In the June 9 primary, approximately 465,000 voters participated. As of Friday, roughly 42,000 ballots had already been cast in this special election. If no candidate secures an overall majority of the vote today, the top two finishers will move to a runoff election scheduled for August 25. South Carolina law mandates an automatic recount if the margin between the leading candidates is 1% or less.

