With ballots from all but one precinct counted, challenger Mary Cantrell is holding a sizable lead over incumbent Julie Aranibar.
With 69 of 70 precincts reporting, challenger Mary Cantrell had 52,695 votes, or 46.3 percent. Aranibar had 45,867 votes, or 40.3 percent. There were also 15,346 undervotes, or 13.5 percent.
When the latest results were posted, Aranibar said: "I think that's pretty much it. ... Yeah, there's no way."
She also telephoned Cantrell, telling her, "I wish you all the best. Take care."
Voters countywide were deciding the race for the District 5 seat on the school board, which is currently chaired by Aranibar.
In the countywide race for an at-large seat on the Manatee County Commission, incumbent Republican Carol Whitmore was holding a big lead over challenger Terri Wonder.
Whitmore had 64,328 votes, or 56.5 percent; and Wonder had 43,391votes, or 38.1 percent. There were also 6,195 undervotes, or 5.4 percent.
In the race for a seat on the Bradenton City Council, incumbent Patrick Roff was leading challenger Paul Thomas.
Roff had 7,455 votes, or 50 percent. Thomas had 5,153 votes, or 34.6 percent. There were 2,286 undervotes, or 15.4 percent.