| 1) | Richards III, Joseph | Texas Tech | 46.60 (04/06) | 46.60 (05/03-05/05) | 46.65 (05/03-05/05) | 46.75 (04/13) | 47.07 (04/18-04/20) | 47.64 (03/14-03/16) | 49.35 (03/23) |
| 2) | Baker, Ethan | Oklahoma | 46.60 (05/03-05/05) | 46.75 (05/03-05/05) | 47.18 (03/29-03/30) | 47.37 (04/20) | 47.46 (04/13) |