1) | Cheeks, Michael | Clemson | 46.40 (05/14-05/16) | 46.53 (05/02) | 46.79 (04/02-04/04) | 46.79 (05/14-05/16) | |
2) | Gravesande, Clayton | South Carolina | 46.40 (04/02-04/04) | 46.94 (04/10-04/11) | 46.98 (05/14-05/16) | 47.14 (03/19-03/21) | 48.16 (03/27-03/28) |