| Event | Rank | Mark | By | Meet |
| B-400 | 1 | 49.29 | Reed, Keshun (2016) (Martin, TX) (US#53) | Texas A&M HS Indoor Classic(TX), 2014-01-11(#1) |
| B-400 | 2 | 49.60 | Bailey, Michael (2014) (Klein Collins, TX) (US#70) | Texas A&M HS Indoor Classic(TX), 2014-01-11(#2) |
| B-400 | 3 | 49.63 | Stephen, Jamarco (2014) (Clear Brook, TX) (US#74) | Texas A&M HS Indoor Classic(TX), 2014-01-11(#1) |
| B-400 | 4 | 49.64 | Hall, Josh (2014) (Martin, TX) (US#75) | Carl Lewis Invitational(TX), 2014-01-18(#2) |
| B-400 | 5 | 49.70 | Murphy, Drake (2015) (Ball, TX) (US#82) | Texas A&M HS Indoor Classic(TX), 2014-01-11(#2) |
| B-400 | 5 | 49.70 | Mack, Josh (2014) (Giddings, TX) (US#82) | Texas A&M HS Indoor Classic(TX), 2014-01-11(#3) |
| B-400 | 7 | 49.73 | Lacy, Devante (2014) (Klein Oak, TX) (US#85) | Texas A&M HS Indoor Classic(TX), 2014-01-11(#4) |
| B-400 | 8 | 49.81 | Ford, Robert (2014) (Johnson, TX) (US#90) | Texas A&M HS Indoor Classic(TX), 2014-01-11(#3) |
| B-400 | 9 | 50.03 | Pott, Andrew (2014) (Dallas Jesuit, TX) | Texas Tech HS Open(TX), 2014-02-15(#1) |
| B-400 | 9 | 50.03 | Woodard, Lamarques (2014) (Mansfield, TX) | Texas A&M HS Indoor Classic(TX), 2014-01-11(#5) |
| B-400 | 11 | 50.09 | Gordon, Lorenzo (2014) (DeSoto, TX) | Texas A&M HS Indoor Classic(TX), 2014-01-11(#6) |
| B-400 | 12 | 50.15 | Henderson, Roderick (2014) (Dallas Life School, TX) | Arkansas HS Invitational(AR), 2014-01-18(#4) |
| | | National Elites above. State Elites below | | |
| B-400 | 13 | 50.70 | Boudreaux, Bruce (2015) (Westbury Christian, TX) | FBCA Relays(TX), 2014-02-22(#1) |
| B-400 | 14 | 50.79 | Racine, David (Round Rock Christian, TX) | Texas A&M HS Indoor Classic(TX), 2014-01-11(#12) |
| B-400 | 15 | 50.80 | Kirby, Brandon (2014) (Hendrickson, TX) | Texas A&M HS Indoor Classic(TX), 2014-01-11(#13) |
| B-400 | 16 | 50.85 | Lopez, Erin (2014) (Lubbock, TX) | Texas Tech HS Open(TX), 2014-02-15(#2) |
| B-400 | 17 | 50.90 | Guidry, Bryce (2014) (Marshall, TX) | Texas A&M HS Indoor Classic(TX), 2014-01-11(#14) |
| B-400 | 18 | 51.03 | Kerr, Joshua (2014) (Lamar Consolidated, TX) | Texas A&M HS Indoor Classic(TX), 2014-01-11(#16) |
| B-400 | 19 | 51.08 | Thomas, Kentonie (2014) (Unattached, TX) | Texas A&M HS Indoor Classic(TX), 2014-01-11(#17) |
| B-400 | 20 | 51.10 | Satterfield, Riley (2015) (Concordia Lutheran, TX) | Texas A&M HS Indoor Classic(TX), 2014-01-11(#18) |
| B-400 | 21 | 51.11 | Leland, Danny (2015) (Highland Park, TX) | Arkansas HS Invitational(AR), 2014-01-18(#12) |
| B-400 | 22 | 51.14 | Hartley, Jaron (2014) (Westside, TX) | Carl Lewis Invitational(TX), 2014-01-18(#6) |
| B-400 | 23 | 51.17 | Ogle, Carson (2014) (Shallowater, TX) | Texas Tech HS Open(TX), 2014-02-15(#5) |
| B-400 | 24 | 51.18 | Harrison, Bryderick (2014) (Cy-Fair, TX) | Texas A&M HS Indoor Classic(TX), 2014-01-11(#20) |
| B-400 | 25 | 51.33 | Brown, Terry (2015) (Round Rock, TX) | Texas A&M HS Indoor Classic(TX), 2014-01-11(#21) |
| B-400 | 26 | 51.37 | Atkinson, Jared (2016) (Horn, TX) | SPIRE Scholastic Open(OH), 2014-01-17(#3) |
| B-400 | 27 | 51.45 | Gross, Terrance (2014) (Ingleside, TX) | Carl Lewis Invitational(TX), 2014-01-18(#8) |
| B-400 | 28 | 51.65 | Smith, Lafiel (2014) (Lancaster, TX) | Texas A&M HS Indoor Classic(TX), 2014-01-11(#22) |
| B-400 | 28 | 51.65 | Reynolds, Andrew (2014) (Sanford-Fritch, TX) | Texas Tech HS Open(TX), 2014-02-15(#6) |
| B-400 | 30 | 51.70 | Thompson, Kelly (Madison, TX) | Vanderbilt HS Invitational(TN), 2014-02-01(#9) |
| B-400 | 31 | 51.75 | Nobles, Zahir (2014) (Cypress Falls, TX) | Texas A&M HS Indoor Classic(TX), 2014-01-11(#24) |
| B-400 | 32 | 51.77 | Latson, Joel (2015) (Bellaire Episcopal, TX) | Texas A&M HS Indoor Classic(TX), 2014-01-11(#25) |
| B-400 | 32 | 51.77 | Howells, Sydney (2015) (McNeil, TX) | Kevin Dare HS Invitational(PA), 2014-01-25(#1) |
| B-400 | 34 | 51.85 | Lawal, Kamil (2015) (Kinkaid, TX) | Texas A&M HS Indoor Classic(TX), 2014-01-11(#26) |
| B-400 | 35 | 51.90 | Shelmire, Joshua (2016) (Lutheran South, TX) | FBCA Relays(TX), 2014-02-22(#2) |
| B-400 | 35 | 51.90 | Jackson, Demetrius (2015) (New Deal, TX) | Texas Tech HS Open(TX), 2014-02-15(#7) |
| B-400 | 37 | 51.91 | Windham, De'Drian (2014) (Seguin, TX) | Oklahoma HS Indoor #1(OK), 2014-01-31(#2) |
| B-400 | 38 | 51.92 | Alcaraz, Rudy (San Antonio, TX) | Texas A&M HS Indoor Classic(TX), 2014-01-11(#27) |
| B-400 | 39 | 51.95 | Tousant, Marshall (2016) (Allen, TX) | Texas A&M HS Indoor Classic(TX), 2014-01-11(#28) |
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| | | See more performances for B-400 | | |
