ORLANDO, Fla. — Maitland Mayor and Democrat John Lowndes has filed to run for the Florida Senate in District 10, the seat currently held by Republican state Sen. Jason Brodeur. The district covers all of Seminole County and portions of north Orange County, including Maitland and Winter Park. As of Monday, the only other Democratic candidate in the race is Geneva resident H. Alexander Duncan, according to the state’s Division of Elections website.