Time | Date | Name | Team | Meet |
---|---|---|---|---|
46.01 | Dec. 9, 2022 | Daniel Diehl | Cumberland MD YMCA | Speedo Winter Junior Championship East |
46.24 | April 5, 2018 | Brendan Burns | Upper Main Line YMCA | YMCA Short Course National Championships |
46.63 | Dec. 4, 2009 | Adam Mania | Schroeder YMCA Swim Team | AT&T Short Course National Championships |
47.37 | March 3, 2007 | Adam Mania | Schroeder YMCA Swim Team | WI LSC Senior Short Course Championships |