Daniel Keenan (R) and Mark Lamb (R) are running in the Republican primary for Arizona's 5th Congressional District on July 21, 2026. Incumbent Rep. Andy Biggs (R), who was first elected in 2016, is running for governor of Arizona rather than for another term.
Keenan leads in fundraising, while Lamb leads in noteworthy endorsements.
As of March 31, 2026, Keenan raised $1,578,351 to Lamb's $759,707.
