| Event | Rank | Mark | By | Meet |
| B-400 | 1 | 47.93 | Grimes, Norman (2016) (Canyon, TX) | Great Southwest Classic(NM), 2015-06-06(#9) |
| B-400 | 2 | 48.03 | Gonzalez, Brian (2016) (Bel Air, TX) | Willie Williams Classic(AZ), 2015-03-21(#1) |
| | | National Elites above. State Elites below | | |
| B-400 | 3 | 48.42 | Sheriff, Va-Sheku (2015) (Caprock, TX) | TX 5A District 3 Dumas(TX), 2015-04-17(#1) |
| B-400 | 4 | 48.82 | Marquez, Isaac (2015) (Boswell, TX) | TX 5A Region 1 Lubbock(TX), 2015-05-02(#2) |
| B-400 | 5 | 48.92 | Ford, Roderick (2017) (Ft Worth Southwest, TX) | TX 5A Region 1 Lubbock(TX), 2015-05-02(#3) |
| B-400 | 6 | 49.45 | Rubio, Javier (2015) (Caprock, TX) | TX 5A Region 1 Lubbock(TX), 2015-05-02(#2) |
| B-400 | 7 | 49.72 | Johnson, Sam (2015) (Hanks, TX) | Amarillo Relays(TX), 2015-03-27(#1) |
| B-400 | 7 | 49.72 | Atkinson, Jordan (2016) (Caprock, TX) | West Texas A&M HS Classic(TX), 2015-03-13(#1) |
| B-400 | 9 | 49.81 | Miller, Emmonie (2016) (Denton, TX) | TX 5A District 5 Ft Worth(TX), 2015-04-15(#2) |
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| | | See more performances for B-400 | | |
