| 1) | Pettigrew, Cameron | USC | 53.62 (05/14-05/15) | 53.78 (05/01) | 54.40 (05/14-05/15) | 54.58 (04/14-04/16) | 54.79 (03/25-03/26) | 54.84 (04/02) | 54.97 (03/18-03/19) | 54.98 (04/09) |
| 2) | Mussallem, Sarah | Illinois State | 53.62 (05/13-05/15) | 54.71 (05/13-05/15) | 54.71 (05/06) | 55.20 (04/08-04/09) | 55.42 (04/16) |