U.S. Rep. Mike Collins (R-GA) won the Republican Senate runoff primary in Georgia on June 16, 2026 [1].
The victory establishes Collins as the GOP nominee to challenge Democratic Sen. Jon Ossoff in the general election this November. The result highlights a significant internal divide within the Georgia Republican party, pitting the influence of former President Donald Trump against the state's current executive leadership.
Collins secured the nomination by defeating Derek Dooley, a former college football coach who was the preferred choice of Governor Brian Kemp [1]. The runoff served as a high-stakes proxy battle between two different factions of the party's establishment. While Governor Kemp leveraged his state-level influence to support Dooley, Collins relied heavily on the endorsement of Donald Trump [1].
Political analysts said the former president's backing was a key factor in the victory [1]. The endorsement helped Collins consolidate support among the primary electorate, ultimately outweighing the support provided by the governor's office.
With the primary concluded, the focus shifts to the general election. Collins will now spend the coming months campaigning to flip the seat. The race remains a critical focal point for national politics given Georgia's status as a swing state in the U.S. Senate.
Dooley's defeat marks a setback for Governor Kemp's ability to dictate the party's direction in federal contests. The outcome suggests that Trump's influence over the Republican base remains a dominant force in Georgia's electoral landscape [1].
“Collins won the Republican Senate runoff primary in Georgia”
The victory for Mike Collins signals a continuing preference among Georgia's Republican primary voters for candidates aligned with Donald Trump over those backed by the state's own GOP leadership. By defeating Governor Kemp's choice, Collins has solidified the 'Trump wing' of the party as the primary driver of candidate viability heading into the November general election against Sen. Jon Ossoff.
