| 1) | Chambers, Marcus | Oregon | 46.40 (02/24-02/25) | 46.40 (02/24-02/25) | 46.45 (02/10-02/11) | 46.45 (02/10-02/11) | 46.62 (01/27-01/28) | 46.62 (01/27-01/28) | ||
| 2) | Bender, Jake | Nebraska | 46.40 (02/24-02/25) | 46.40 (02/24-02/25) | 46.74 (02/24-02/25) | 46.74 (02/24-02/25) | 47.34 (02/03-02/04) | 47.34 (02/03-02/04) | 47.72 (01/21) | 47.72 (01/21) |