Time | Date | Name | Team | Meet |
---|---|---|---|---|
55.27 | Aug. 6, 2021 | Ziyad Saleem | Schroeder YMCA Swim Team | Speedo Summer Championships - West |
55.54 | Nov. 13, 2020 | Ziyad Saleem | Schroeder YMCA Swim Team | Toyota US Open |
56.74 | Aug. 7, 2009 | Mitchell Friedemann | Schroeder YMCA Swim Team | U. S. Open |
59.27 | July 28, 2003 | Adam Konopka | Aurora YMCA Sharks | YMCA National Long Course Championships |
1:01.01 | July 19, 2003 | Evan Harper | Joliet Y Jets Swim Team | Illinois Senior Championships |