Candidates running in the Republican primary for Arizona's 5th Congressional District show differing advantages in fundraising and endorsements
In Arizona's 5th Congressional District Republican primary, Daniel Keenan and Mark Lamb are competing to replace incumbent Andy Biggs, who is running for governor instead. Keenan leads in fundraising while Lamb has secured more notable endorsements ahead of the July 21, 2026 primary.
Key Points
- Incumbent Rep. Andy Biggs is vacating the seat to pursue the Arizona governorship
- Daniel Keenan holds a fundraising advantage over Mark Lamb in the Republican primary
- Mark Lamb has accumulated more significant endorsements despite trailing in fundraising