Republican Senator Marsha Blackburn of Tennessee entered the state's 2026 gubernatorial race on Wednesday, setting up a challenge against GOP Representative John Rose, who announced his candidacy earlier this year.

The race for governor is heating up in Tennessee. Here's what to know about the candidates so far and which dates to keep an eye out for.

Republican U.S. Sen. Marsha Blackburn announced Wednesday that she is entering the open Tennessee governor's race in 2026, setting up a primary clash with U.S. Rep. John Rose. Blackburn's announcement makes official what had been expected for some time from the ally of President Donald Trump.