Kathy Castor holds a clear edge in the Florida 14th District race as the Democratic incumbent facing Republican challenger Mike Beltran in the November 3, 2026 general election. Mid-decade redistricting shifted the district fully into Hillsborough County with a Republican lean, yet traders price Castor at 67.5 percent amid her long tenure, strong name recognition, and recent fundraising surge exceeding $2.5 million in the third quarter. Beltran secured the GOP nomination in August and draws endorsements from Donald Trump and Ron DeSantis while emphasizing spending restraint and inflation concerns. Limited public polling and toss-up ratings from outlets such as Cook and Sabato reflect a competitive contest where Castor’s incumbency and cash position support her current implied probability in prediction markets.