| 1) | Perez-Rogers, Michael | Long Beach St. | 47.51 (05/10-05/11) | 47.82 (03/29-03/30) | 48.07 (04/12) | 48.17 (03/29-03/30) | 48.42 (04/18-04/20) | 48.72 (05/10-05/11) | 49.10 (03/14-03/16) |
| 2) | Barb, Joe | Baylor | 47.51 (04/13) | 47.88 (03/14-03/15) | 48.03 (05/03-05/05) | 48.18 (04/20) |