PHOENIX – New Republican primary polling shows Karrin Taylor Robson increasing her lead over U.S. Rep. Andy Biggs in the Arizona governor’s race.

However, Democratic Gov. Katie Hobbs still has a slight advantage in potential head-to-head matchups with either GOP hopeful, according to Noble Predictive Insights (NPI) findings released Thursday.

Polling conducted Aug. 11-18 showed Taylor Robson as the top choice for 37% of registered Republicans. Biggs was at 27%, but 36% remained undecided with under a year to go until the August 2026 primary elections.

“Robson may have the early edge, but Arizona primaries are never won in the opening rounds,” Mike Noble, NPI CEO and founder, said in a press release. “Biggs isn’t going anywhere, and this matchup is on track to be a slugfest between two h

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