| Event | Rank | Mark | By | Meet |
| B-400 | 1 | 46.10 | Lacy, Devante (2014) (Klein Oak, TX) (US#1) | TX 5A State Meet(TX), 2014-05-10(#1) |
| B-400 | 2 | 46.88 | Cager, Jack (Belton, TX) (US#20) | AAU National Junior Olympics 17-18(IA), 2014-08-02(#1) |
| B-400 | 3 | 47.07 | Jack, Cager (2014) (Belton, TX) (US#33) | TX 5A State Meet(TX), 2014-05-10(#2) |
| B-400 | 4 | 47.37 | Bailey, Michael (2014) (Klein Collins, TX) (US#45) | Klein Relays(TX), 2014-03-22(#1) |
| B-400 | 5 | 47.53 | Brown, Terry (2015) (Round Rock, TX) (US#62) | TX 5A State Meet(TX), 2014-05-10(#3) |
| B-400 | 6 | 47.62 | Ogwo, Emmanuel (2015) (Horn, TX) (US#68) | TX 5A State Meet(TX), 2014-05-10(#4) |
| B-400 | 7 | 47.77 | Igbokwe, Obi (2015) (The Woodlands, TX) (US#81) | Klein Relays(TX), 2014-03-22(#2) |
| | | National Elites above. State Elites below | | |
| B-400 | 8 | 48.30 | Wallace, Jevon (2017) (Harker Heights, TX) | USATF JO Southwest Assn(TX), 2014-06-21(#2) |
| B-400 | 9 | 48.36 | Mitchell, D'Undre (2015) (Harker Heights, TX) | USATF JO Southwest Assn(TX), 2014-06-21(#2) |
| B-400 | 10 | 48.42 | Marshall, Myles (2015) (Kingwood, TX) | TX 5A District 13 Humble ISD(TX), 2014-04-09(#2) |
| B-400 | 11 | 48.54 | Haughton, Kahlil (Midway, TX) | Waco ISD Invitational(TX), 2014-03-22(#2) |
| B-400 | 12 | 48.75 | Washington, Sydney (2014) (Summer Creek, TX) | TX 4A Region 3 Huntsville(TX), 2014-04-26(#4) |
| B-400 | 13 | 48.84 | Warren, Lincoln (2015) (Horn, TX) | USATF Region 12 Junior Olympics(TX), 2014-07-12(#3) |
| B-400 | 14 | 48.92 | Green, Phillip (2015) (Richardson, TX) | TX 5A Area 9-10 McKinney(TX), 2014-04-17(#1) |
| B-400 | 15 | 49.20 | Harris, Brandon (The Woodlands, TX) | Rice Victor Lopez Classic(TX), 2014-03-29(#3) |
| B-400 | 16 | 49.25 | Harris, Kaylan (2015) (Oak Ridge, TX) | TX 5A District 14 Woodlands(TX), 2014-04-09(#2) |
| B-400 | 17 | 49.57 | Jones, Chase (2015) (Klein, TX) | Klein Relays(TX), 2014-03-22(#4) |
| B-400 | 18 | 49.58 | Haskins, Jacorey (2014) (Skyline, TX) | TX 5A Area 9-10 McKinney(TX), 2014-04-17(#3) |
| B-400 | 19 | 49.59 | Kirby, Brandon (2014) (Hendrickson, TX) | Rouse Relays(TX), 2014-03-28(#1) |
| B-400 | 20 | 49.65 | Leland, Danny (2015) (Highland Park, TX) | TX 4A District 10 Carrollton(TX), 2014-04-09(#1) |
| B-400 | 21 | 49.71 | Nunley, Malik (2014) (Spring, TX) | Rice Victor Lopez Classic(TX), 2014-03-29(#5) |
| B-400 | 22 | 49.72 | Jefferson, Desmond (2015) (Shoemaker, TX) | AAU National Junior Olympics 17-18(IA), 2014-08-02(#15) |
| B-400 | 23 | 49.87 | Atkinson, Jared (2016) (Horn, TX) | USATF JO Southwest Assn(TX), 2014-06-21(#9) |
| B-400 | 24 | 49.88 | Morgan, Jacques (2015) (Harker Heights, TX) | USATF Region 12 Junior Olympics(TX), 2014-07-12(#4) |
| B-400 | 25 | 49.91 | Preston, Jamarice (2015) (Lake Highlands, TX) | Rockwall Rockin R Relays(TX), 2014-04-04(#2) |
| B-400 | 26 | 49.94 | Andrews, Jostyn (2016) (Skyline, TX) | Jesuit-Sheaner Relays(TX), 2014-03-22(#6) |
| B-400 | 27 | 49.97 | Mosigisi, Malik (Lakeview Centennial, TX) | TX 5A Region 2 Waco(TX), 2014-04-26(#11) |
| B-400 | 28 | 52.34 | Eggins, S. (2016) (Naaman Forest, TX) | Mascoutah Boys Invitational(IL), 2014-04-25(#3) |
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