Darline Graham Wins South Carolina Senate Race GOP Runoff Over Ralph Norman

On Tuesday, August 25, 2026, Darline Graham won the Republican special primary runoff in the South Carolina Senate race, defeating U.S. Rep. Ralph Norman with about 52% of the vote. NBC News and other outlets projected Graham the winner after polls closed at 7 p.m. ET, clearing her path to the GOP nomination for the seat long held by her late brother, Lindsey Graham.

Graham will face Democratic nominee Dr. Annie Andrews, a pediatrician who won her party’s primary in June, in the November 3 general election for a full six-year term.

Editor’s note: This article draws on reporting from the Associated Press, Reuters, NBC News, and South Carolina election results data, August 11–25, 2026. Vote totals may be updated as counties finalize canvassing.

Runoff results

Candidate	Votes	Share
Darline Graham	178,683	52.25%
Ralph Norman	163,283	47.75%

Roughly 342,000 ballots were cast in the runoff. Graham expanded her lead from the August 11 special Republican primary, where she finished first in a 10-candidate field with 32.7% to Norman’s 24.6% — neither cleared the majority threshold required to avoid a second round.

Geographically, Graham carried much of the Midlands and Lowcountry in the first round, while Norman ran strongest in the Upstate, including areas around his Rock Hill base. The runoff narrowed that gap but did not flip the outcome.

How the seat opened

The race was set in motion by the sudden death of Lindsey Graham on July 11, 2026. Emergency personnel responded to a cardiac-arrest call at his Capitol Hill home; officials later cited an aortic tear. The senator had served in Congress for 31 years — 23 in the Senate — and had already won the June 9 Republican primary for a fifth term before his death created both a current vacancy and an open slot on the November ballot.

South Carolina Gov. Henry McMaster appointed Lindsey Graham’s sister, Darline Graham, 62, to serve out the remainder of the term. She cast votes on high-profile measures in her brief tenure — including sanctions legislation and the confirmation of Attorney General Todd Blanche — before launching a bid for a full term.

The campaign

The two-week runoff between Graham and Norman was a compressed, hard-fought contest in one of the nation’s most Republican states.

Darline Graham entered as the appointed incumbent but a political newcomer. She leaned on her brother’s legacy, her interim Senate record, and a full-throated push from President Donald Trump, who recruited and endorsed her after Lindsey Graham’s death. Trump held an in-person rally for her in Myrtle Beach on Friday and a tele-rally the night before the vote, telling supporters to treat the ballot as if his own name were on it. MAGA Inc., a Trump-aligned super PAC, reported spending roughly $828,000 on her behalf in a late filing on August 24.

Ralph Norman, a five-term congressman with nearly two decades in state and federal office, argued that experience mattered more than appointment or family ties. He had also run for governor earlier in 2026. Norman questioned whether Graham could define herself apart from her brother’s long shadow and pressed his record with voters who already knew him from Congress.

A debate in Newberry on August 18 highlighted the contrast between Graham’s emotional appeal and Norman’s pitch for a tested conservative legislator.

What comes next

Graham now heads into November as the Republican standard-bearer in a state where no Democrat has won a U.S. Senate seat since Fritz Hollings in 1998. Andrews, the Democratic nominee, faces a steep climb but gives her party a named opponent in a nationally watched midterm cycle.

For Republicans, holding the seat is all but essential to keeping Lindsey Graham’s deep-red legacy intact. For Graham personally, the runoff win answers critics who doubted an appointed sibling could win a contested nomination — though the November contest will test whether she can build an identity beyond interim service and Trump’s backing.

Trump’s investment paid off here after a shaky August for some of his other primary picks elsewhere, including a South Carolina governor’s race where his preferred candidate lost a separate runoff. The South Carolina Senate outcome will be read as another gauge of his sway over Republican voters heading into the fall.

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Discussion

South Carolina Republicans have chosen their Senate nominee — but the broader questions about dynasty, endorsement power, and November competitiveness remain open.

1. Does a Trump endorsement still settle a contested GOP primary in a deep-red state?

Graham won comfortably but not overwhelmingly. Does that suggest enduring loyalty to the president, or limits to how far name recognition and rallies can carry a first-time candidate?

2. How much does the Graham family name matter beyond this runoff?

Darline Graham campaigned as both successor and sister. In November and beyond, can she stand on her own record, or will voters keep measuring her against Lindsey Graham’s three-decade career?

Share your read on whether this was a personal mandate, a Trump mandate, or something in between — and whether Andrews can make the general election competitive.