| 1) | Hilderbrand, Mark | Nebraska | 53.37 (04/13) | 53.45 (05/10-05/12) | 53.79 (03/22-03/23) | 53.80 (04/24) | 53.81 (03/29-03/30) | 53.83 (05/05) | 54.19 (04/06) | 54.57 (04/17-04/20) |
| 2) | Schmidt, Jordan | Wis.-Milwaukee | 53.37 (04/20) | 53.58 (05/03-05/05) | 53.82 (03/29-03/30) | 54.18 (05/03-05/05) | 54.78 (04/11-04/13) | 56.87 (04/05) | 58.45 (03/22-03/23) |