Karrin Taylor Robson currently leads in the primary, but the late-breaking development of Charlie Kirk's endorsement of U.S. Rep. Andy Biggs may shift the race dramatically.

Polling suggests that if he were to run for governor, Kirk might perform as well as — or better than — other more traditional candidates

A highly uncertain landscape defines the 2026 AZ GOP gubernatorial primary with nearly half of GOP voters undecided on a preferred candidate