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Oklahoma Republicans vote in gubernatorial primary runoff election

Oklahoma Republicans voted Tuesday in a gubernatorial runoff between Attorney General Gentner Drummond and former state Senator Mike Mazzei.

Published August 25, 2026 at 5:00 PM EDT

The short answer

Oklahoma Republicans voted Tuesday in a gubernatorial runoff between Attorney General Gentner Drummond and former state Senator Mike Mazzei. Oklahoma voters participated in a Republican runoff election on Tuesday to select their party’s nominee for governor. The contest featured former state Senator Mike Mazzei and state Attorney General Gentner Drummond, who are vying to succeed the term-limited incumbent, Gov. Kevin Stitt (R).

Oklahoma Republicans vote in gubernatorial primary runoff election

The Facts

Who
Mike Mazzei, Gentner Drummond, Donald Trump, and Oklahoma voters.
What
GOP gubernatorial primary runoff election between Mike Mazzei and Gentner Drummond.
When
Tuesday, August 25, 2026
Where
Oklahoma
Why
To determine the Republican nominee for Governor of Oklahoma to succeed term-limited Gov. Kevin Stitt.

Timeline of what happened

Key dates and decisions, in the order they occurred.

  1. June 16, 2026

    Initial primary election held

  2. August 25, 2026

    Republican runoff election held

Oklahoma voters participated in a Republican runoff election on Tuesday to select their party’s nominee for governor. The contest featured former state Senator Mike Mazzei and state Attorney General Gentner Drummond, who are vying to succeed the term-limited incumbent, Gov. Kevin Stitt (R).

The runoff followed an initial primary held on June 16, where neither candidate secured a majority of the vote. In that first round, Drummond led Mazzei by approximately 1,100 votes. Because Oklahoma is a Republican-leaning state, the winner of this runoff is considered the favorite in the upcoming November general election.

Donald Trump endorsed Mazzei in the race and publicly criticized Drummond. In statements leading up to the runoff, Trump referred to Drummond as a "fake Republican" and criticized the Attorney General for not expressing an opinion regarding Trump's impeachment. Mazzei previously served as the state's budget secretary in addition to his time in the state Senate.

The race also serves as a measure of Donald Trump's influence over state-level Republican politics. By opposing a sitting Attorney General in favor of a former state senator, Trump’s involvement sets a precedent for how national figures may attempt to shape the leadership of state governments. The winner will face a Democratic opponent in the general election, though the source does not name the specific challenger.

Voters in Oklahoma saw polls close at 8 p.m. EDT on Tuesday. Once the results are certified, the focus will shift to the general election scheduled for November 2026. The new governor will be inaugurated following the expiration of Gov. Stitt's final term, though the specific inauguration date was not reported.

Summaries are written by The Plain Record to state the facts of a story plainly and without political slant. See our editorial standards, or report a correction.

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Questions readers ask

What happened: Oklahoma Republicans vote in gubernatorial primary runoff election?

Oklahoma voters participated in a Republican runoff election on Tuesday to select their party’s nominee for governor. The contest featured former state Senator Mike Mazzei and state Attorney General Gentner Drummond, who are vying to succeed the term-limited incumbent, Gov. Kevin Stitt (R).

Who is involved?

Mike Mazzei, Gentner Drummond, Donald Trump, and Oklahoma voters.

When did this happen?

Tuesday, August 25, 2026

Where did this happen?

Oklahoma

Why does this matter?

To determine the Republican nominee for Governor of Oklahoma to succeed term-limited Gov. Kevin Stitt.