| Event | Rank | Mark | By | Meet |
| B-400 | 1 | 49.09 | Jefferson, Desmond (2015) (Shoemaker, TX) (US#41) | Texas A&M HS Indoor Classic(TX), 2015-01-10(#3) |
| B-400 | 2 | 49.27 | Mitchell, D'Undre (2015) (Harker Heights, TX) (US#53) | Arkansas HS Invitational(AR), 2015-01-17(#4) |
| B-400 | 3 | 49.84 | Brown, Terry (2015) (Round Rock, TX) (US#97) | Arkansas HS Invitational(AR), 2015-01-17(#8) |
| B-400 | 4 | 49.87 | Warren, Lincoln (2015) (Horn, TX) (US#99) | Texas A&M HS Indoor Classic(TX), 2015-01-10(#7) |
| | | National Elites above. State Elites below | | |
| B-400 | 5 | 50.44 | Wallace, Jevon (2017) (Harker Heights, TX) | Carl Lewis Invitational(TX), 2015-01-17(#2) |
| B-400 | 6 | 50.71 | Morgan, Jacques (2015) (Harker Heights, TX) | Texas A&M HS Indoor Classic(TX), 2015-01-10(#11) |
| B-400 | 7 | 51.11 | Macharia, Kirema (2015) (Round Rock, TX) | Texas A&M HS Indoor Classic(TX), 2015-01-10(#15) |
| B-400 | 8 | 51.23 | Johnson, Jaquan (2015) (Harker Heights, TX) | Texas A&M HS Indoor Classic(TX), 2015-01-10(#20) |
| B-400 | 9 | 51.59 | Lang, Dominique (2016) (Summer Creek, TX) | Texas A&M HS Indoor Classic(TX), 2015-01-10(#28) |
| B-400 | 10 | 51.67 | Walton, Tom (Round Rock, TX) | LSU HS Indoor Classic(LA), 2015-01-10(#3) |
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| | | See more performances for B-400 | | |
