Appointed U.S. Sen. Darline Graham has advanced to a special Republican primary runoff in South Carolina following a closely watched election, according to election projections. Graham, who carries an endorsement from President Donald Trump, led a nine-candidate field in the primary race to secure the GOP nomination for a full Senate term, according to data from Decision Desk HQ reported by VINnews.
The race centers on the South Carolina U.S. Senate seat left vacant following the death of Sen. Lindsey Graham last month. Gov. Henry McMaster appointed Darline Graham to the interim Senate seat in July, setting the stage for a high-stakes special election primary cycle.
Because no candidate secured an outright majority of the vote in the initial primary contest, state rules mandate a runoff between the top two finishers. While election projections indicate Graham secured the first position in the primary field, election authorities and major decision desks note that additional vote tabulations will determine her specific one-on-one opponent for the upcoming runoff contest.
Primary Vote Breakdown and Field Dynamics
In the special Republican primary election, Darline Graham captured 11,855 votes, translating to 29.5% of the total ballots cast, according to vote tallies reported by VINnews. Rep. Ralph Norman finished second in the initial voting with 9,869 votes, or 24.5%, closely followed by Rep. Russell Fry, who secured 9,715 votes, representing 24.1% of the electorate.

The broader Republican primary field also included former Gov. Mark Sanford, who received 6,077 votes (15.1%), and Mark Lynch, who tallied 1,994 votes (5.0%), alongside other hopefuls including Duke Buckner, Mark McBride, and Sam Shepard, as detailed by NewsNation. Pre-election polling and market forecasting models, including predictions from Kalshi Politics, had indicated Graham held a strong lead heading into election day.
Path to the General Election
The victor of the upcoming Republican primary runoff will move forward to the general election. In that contest, the GOP nominee is scheduled to face Democratic nominee Annie Andrews and Libertarian candidate Kasie Whitener, according to reporting by NewsNation.

Political analysts view South Carolina as a solidly Republican state, positioning the eventual Republican nominee as heavily favored in the general election matchup against Andrews. State election officials continue to process final certified totals as campaigns prepare for the next phase of the truncated special election cycle.
Official Updates and Next Steps
Voters and observers can track certified results, runoff scheduling, and campaign finance disclosures through the South Carolina Election Commission. Official announcements regarding runoff dates and polling locations will be published directly through state and county election portals.
We invite our readers to share their perspectives on this developing race in the comments below.
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