John Cowan secured the Republican nomination for Georgia’s 11th Congressional District after winning the June 16 runoff with roughly two-thirds of the vote against Rob Adkerson. The open seat, created by incumbent Barry Loudermilk’s retirement, saw Cowan lead the May 19 primary with 42.6 percent, well ahead of Adkerson and other contenders, allowing him to consolidate support among conservative voters in the heavily Republican district. His background as a neurosurgeon and businessman positioned him as an outsider emphasizing fiscal and healthcare priorities, drawing stronger fundraising and endorsements compared with Adkerson’s insider ties as Loudermilk’s former chief of staff. With results now certified and no viable path remaining for other candidates, trader consensus reflects near-certainty in the outcome. Only an extremely narrow set of post-election developments, such as a successful legal challenge to certification or an unforeseen withdrawal, could alter the result before general-election balloting.