| Event | Rank | Mark | By | Meet |
| B-400 | 1 | 46.81 | Champlin, Steven (2014) (Medina Valley, TX) (US#15) | TX 4A State Meet(TX), 2014-05-09(#1) |
| B-400 | 2 | 46.95 | Platt, Chris (2014) (Willis, TX) (US#23) | TX 4A State Meet(TX), 2014-05-09(#2) |
| B-400 | 3 | 47.48 | London, Wil (2015) (Waco, TX) (US#56) | TAAF Games of Texas(TX), 2014-08-03(#1) |
| B-400 | 4 | 47.64 | Deadmon, Bryce (2015) (Ridge Point, TX) (US#69) | AAU Club Championships(FL), 2014-07-13(#1) |
| B-400 | 5 | 47.75 | Wesley, Alex (2014) (Wylie, TX) (US#77) | TX 4A Region 2 Arlington(TX), 2014-04-26(#1) |
| B-400 | 6 | 47.78 | Age, Eric (2015) (Lancaster, TX) (US#83) | TX 4A Region 2 Arlington(TX), 2014-04-26(#2) |
| B-400 | 7 | 48.04 | Murphy, Drake (2015) (Ball, TX) | TX 4A Region 3 Huntsville(TX), 2014-04-26(#3) |
| | | National Elites above. State Elites below | | |
| B-400 | 8 | 48.23 | Allison, Champion (2017) (George Ranch, TX) | AAU National Junior Olympics 17-18(IA), 2014-08-02(#4) |
| B-400 | 9 | 48.39 | Nowak, Jake (2015) (Vandegrift, TX) | TX 4A Region 4 San Antonio(TX), 2014-04-26(#2) |
| B-400 | 10 | 48.40 | Henderson, D'Onte (Seguin, TX) | TX 4A Region 4 San Antonio(TX), 2014-04-26(#3) |
| B-400 | 11 | 48.47 | Windham, De'Drian (2014) (Seguin, TX) | TX 4A Area 15-16 Whitehouse(TX), 2014-04-17(#2) |
| B-400 | 12 | 48.55 | Gonzalez, Brian (2016) (Bel Air, TX) | TX 5A District 1 El Paso(TX), 2014-04-11(#1) |
| B-400 | 12 | 48.55 | Luke, William (2014) (Ft Worth Southwest, TX) | Arlington Jerry Griffin Invite(TX), 2014-02-15(#1) |
| B-400 | 14 | 48.67 | Hollis, Jordan (2017) (Red Oak, TX) | USATF Region 12 Junior Olympics(TX), 2014-07-12(#3) |
| B-400 | 15 | 48.94 | Marquez, Isaac (2015) (Azle, TX) | TX 4A Region 1 Abilene(TX), 2014-04-26(#2) |
| B-400 | 16 | 48.97 | Patino, File (2014) (PSJA, TX) | Weslaco Meet of Champions(TX), 2014-03-22(#1) |
| B-400 | 17 | 49.05 | Crenshaw, Demarcus (Timberview, TX) | TX 5A District 7 DeSoto(TX), 2014-04-09(#1) |
| B-400 | 18 | 49.06 | Hamlin, Dartez (2016) (Burges, TX) | EP Parkland Invitational(TX), 2014-03-29(#1) |
| B-400 | 19 | 49.08 | Palmer, Isaiah (2017) (Liberty, TX) | TX 4A Region 2 Arlington(TX), 2014-04-26(#4) |
| B-400 | 20 | 49.20 | Joe, Lorenzo (2014) (Cooper, TX) | TX 5A District 2 Lubbock(TX), 2014-04-11(#1) |
| B-400 | 21 | 49.21 | Robinson, Anfernee (2014) (Lancaster, TX) | Jesuit-Sheaner Relays(TX), 2014-03-22(#3) |
| B-400 | 22 | 49.24 | Fuller, Aaron (2016) (Lovejoy, TX) | TX 4A Region 2 Arlington(TX), 2014-04-26(#5) |
| B-400 | 23 | 49.31 | Terry, Philip (2014) (Randall, TX) | TX 4A Region 1 Abilene(TX), 2014-04-26(#3) |
| B-400 | 24 | 49.32 | Kelly, Anthoula (2014) (Galena Park, TX) | TX 4A District 24 Goose Creek(TX), 2014-04-10(#2) |
| B-400 | 25 | 49.33 | Mills, Gerald (2015) (Marshall, TX) | Golden West Invitational(CA), 2014-06-28(#8) |
| B-400 | 26 | 49.34 | Mullings, Terrance (2017) (Hillcrest, TX) | AAU National Junior Olympics 17-18(IA), 2014-08-02(#11) |
| B-400 | 27 | 49.39 | Johnson, Sam (2015) (Hanks, TX) | TX 4A Region 1 Abilene(TX), 2014-04-26(#4) |
| B-400 | 27 | 49.39 | Landez, Sean (2015) (Sharyland, TX) | TX 5A Area 29-30 Weslaco(TX), 2014-04-17(#1) |
| B-400 | 29 | 49.47 | Guidry, Bryce (2014) (Marshall, TX) | Rice Victor Lopez Classic(TX), 2014-03-29(#4) |
| B-400 | 30 | 49.53 | Gonzales, Joey (Plainview, TX) | TX 4A Region 1 Abilene(TX), 2014-04-26(#5) |
| B-400 | 30 | 49.53 | Jobe, Deandre (2014) (Lee, TX) | Clear Lake Invitational (TX), 2014-02-14(#1) |
| B-400 | 32 | 49.58 | Ajanga, Sydney (2014) (Marshall, TX) | TX 4A Region 2 Arlington(TX), 2014-04-26(#5) |
| B-400 | 33 | 49.74 | Lorenzo, Joe (2014) (Cooper, TX) | Rouse Relays(TX), 2014-03-28(#2) |
| B-400 | 33 | 49.74 | Castillo, Vince (2015) (Donna, TX) | Brownsville Sams Invitational(TX), 2014-02-15(#1) |
| B-400 | 35 | 49.80 | Ford, Deante (2015) (Ridge Point, TX) | TX 4A Area 21-22 Houston(TX), 2014-04-17(#2) |
| B-400 | 36 | 49.82 | Leonce, Pj (2014) (Lee, TX) | TX 4A District 24 Goose Creek(TX), 2014-04-10(#4) |
| B-400 | 37 | 49.86 | Deboskie, Julian (McKinney North, TX) | USATF JO Southwest Assn(TX), 2014-06-21(#8) |
| B-400 | 38 | 49.90 | Brooks, LD (2016) (Manor, TX) | TX 4A Region 3 Huntsville(TX), 2014-04-26(#5) |
| B-400 | 39 | 49.97 | Solis, Francisco (2014) (Roy Miller, TX) | TX 4A Area 31-32 Weslaco(TX), 2014-04-17(#2) |
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