Randy Feenstra leads the Iowa Republican gubernatorial primary field ahead of the June 2 vote, reflecting his strong name recognition as a sitting U.S. representative, dominant fundraising totals, and early statewide television advertising. These advantages have allowed him to build broader organizational infrastructure than challengers Zach Lahn, a farmer and businessman; Adam Steen, a former gubernatorial aide; state Rep. Eddie Andrews; and former state Rep. Brad Sherman. Recent reporting highlights a personality-driven contest amid broader GOP voter fatigue following Gov. Kim Reynolds’ decision not to seek a third term, though Feenstra remains the only candidate with sustained media presence and significant cash reserves. Traders price the race as a wide-open primary where Feenstra’s resource edge and establishment support have solidified his position, while any late shifts in base mobilization could still alter the outcome before ballots close.