| 1) | Jones, Derek | Iowa State | 51.42 (04/23) | 51.42 (04/23) | 51.51 (05/26-05/28) | 51.51 (05/26-05/28) | 51.60 (05/13-05/15) | 51.60 (05/13-05/15) | 51.85 (04/01-04/02) | 51.85 (04/01-04/02) |
| 2) | Manley, Diquis | Indiana | 51.42 (05/13-05/15) | 51.42 (05/13-05/15) | 51.87 (05/13-05/15) | 51.87 (05/13-05/15) | 52.52 (04/23) | 52.52 (04/23) | 52.55 (05/26-05/28) | 52.55 (05/26-05/28) |