Kevin Hern Republican
U.S. Representative for Oklahoma's 1st district
Heavy favoriterating · Won the June 16 Republican primary
A clear, nonpartisan rundown of the candidates and races Oklahoma voters will decide in the 2026 midterms, with where each candidate stands and how competitive the race is.
Open seat. Sen. Markwayne Mullin became Secretary of Homeland Security in March; appointed Sen. Alan Armstrong is barred by state law from running.
U.S. Representative for Oklahoma's 1st district
Nurse
Open seat; Gov. Kevin Stitt is term-limited. Mike Mazzei defeated Attorney General Gentner Drummond by about 2,000 votes in the Aug. 25 Republican runoff.
Former state senator and Oklahoma Secretary of Budget
State representative and former House minority leader
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