| Event | Rank | Mark | By | Meet |
| | | National Elites above. State Elites below | | |
| B-400 | 1 | 48.37 | Winn, John (2015) (Bryant, AR) | Great Southwest Classic(NM), 2015-06-06(#10) |
| B-400 | 2 | 48.96 | Murdock, Steven (2015) (Bryant, AR) | AR 7A State Meet(AR), 2015-05-07(#2) |
| B-400 | 3 | 49.48 | Ellis, Jabraylon (2016) (J.A. Fair, AR) | AR Meet of Champions(AR), 2015-05-16(#3) |
| B-400 | 4 | 49.77 | Smith, Leon (2016) (Forrest City, AR) | AR 5A State Meet(AR), 2015-05-07(#1) |
| B-400 | 5 | 49.86 | Hilson, Nick (2016) (Nettleton, AR) | Jerry Roberts Relays(AR), 2015-04-02(#1) |
| B-400 | 6 | 49.90 | Alley, Britton (2017) (Cabot, AR) | USATF JO Region 9 Qualifier(OK), 2015-07-12(#2) |
| B-400 | 7 | 49.97 | Slaughter, Garrett (2016) (Forrest City, AR) | AR 5A State Meet(AR), 2015-05-07(#3) |
| B-400 | 8 | 49.99 | Powell, Peyton (2015) (Springdale, AR) | Great Southwest Classic(NM), 2015-06-06(#21) |
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| | | See more performances for B-400 | | |
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