 Mast faced five opponents in the August 30, 2016, primary; he won with 38% of the vote.Mast faced Democratic businessman Randy Perkins in the November 2016 general election.During the 2015-2016 election campaign, Mast's largest donors were Duty Free Americas (owned by the pro-Israel Falic family), NextGen Management (a condo property firm), and Superior Foods (frozen foods).