| Event | Rank | Mark | By | Meet |
| B-400H | 1 | 52.51 | Brockman, Charles (2017) (Plano, TX) (US#10) | USATF Junior Olympics National Championships 15-16(FL), 2015-08-02(#1) |
| B-400H | 2 | 52.76 | Carr, Ardran (2016) (Bowie, TX) (US#15) | USATF Junior Olympics National Championships 17-18(FL), 2015-08-02(#1) |
| B-400H | 3 | 52.88 | Johnson, Cody (2016) (Franklin, TX) (US#17) | NB Outdoor Nationals(NC), 2015-06-21(#6) |
| B-400H | 3 | 52.88 | Douglas, Bryce (2016) (Allen, TX) (US#17) | USATF Junior Olympics National Championships 17-18(FL), 2015-08-02(#4) |
| | | National Elites above. State Elites below | | |
| B-400H | 5 | 55.19 | Keeton, Marcel (2016) (Cedar Hill, TX) | AAU JO District Southwest(TX), 2015-06-14(#2) |
| B-400H | 6 | 55.99 | Sharpe, Jaylen (2016) (Allen, TX) | USATF JO Southwest Assn(TX), 2015-06-20(#5) |
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| | | See more performances for B-400H | | |
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