| Event | Rank | Mark | By | Meet |
| B-300H | 1 | 37.26 | Sherrard, Fletcher (2015) (Galena Park, TX) (US#29) | TX 5A Region 3 Huntsville(TX), 2015-05-02(#1) |
| B-300H | 2 | 37.40 | Smith, Jeremy (2016) (Marshall, TX) (US#35) | TX 5A District 23 Ft Bend(TX), 2015-04-18(#1) |
| B-300H | 3 | 37.55 | Lattin, Amere (2015) (Marshall, TX) (US#54) | TX 5A District 23 Ft Bend(TX), 2015-04-18(#2) |
| B-300H | 4 | 38.06 | Sheffield, Kendall (2015) (Marshall, TX) | TX 5A District 23 Ft Bend(TX), 2015-04-18(#3) |
| | | National Elites above. State Elites below | | |
| B-300H | 5 | 38.82 | Smith, Quinton (2016) (Temple, TX) | TX 5A Area 17-18 College Station(TX), 2015-04-23(#1) |
| B-300H | 6 | 38.97 | Franklin, Anthony (2015) (Yates, TX) | TX 5A Area 19-20 Houston(TX), 2015-04-23(#1) |
| B-300H | 7 | 39.01 | Herrick, Tyler (2016) (Hutto, TX) | TX 5A Region 3 Huntsville(TX), 2015-05-02(#4) |
| B-300H | 8 | 39.25 | McCall, Fabian (2016) (Huntsville, TX) | TX 5A Area 17-18 College Station(TX), 2015-04-23(#2) |
| B-300H | 9 | 39.67 | Gumms, Marcus (2016) (Elkins, TX) | TX 5A District 23 Ft Bend(TX), 2015-04-18(#4) |
| B-300H | 10 | 39.78 | Robison, Noah (2015) (Barbers Hill, TX) | CE King Relays(TX), 2015-03-13(#1) |
| B-300H | 11 | 39.79 | Derry, Quintin (2016) (Beaumont Central, TX) | TX 5A District 22 Beaumont(TX), 2015-04-15(#1) |
| B-300H | 12 | 39.84 | Lyles, Alan (2015) (Temple, TX) | TX 5A District 17 Hutto(TX), 2015-04-15(#2) |
| B-300H | 13 | 39.87 | Stephens, Grant (2016) (Willis, TX) | TX 5A District 18 College Station(TX), 2015-04-16(#2) |
| B-300H | 14 | 39.93 | Smith, Stephon (2016) (Elgin, TX) | TX 5A Area 17-18 College Station(TX), 2015-04-23(#4) |
| B-300H | 15 | 40.06 | Hunter, Howard (2017) (Beaumont Central, TX) | TX 5A District 22 Beaumont(TX), 2015-04-15(#2) |
| B-300H | 16 | 40.32 | McKinney, Josh (2015) (Santa Fe, TX) | TX 5A District 23 Ft Bend(TX), 2015-04-18(#5) |
| B-300H | 17 | 40.36 | Wallace, Devin (2015) (Kingwood Park, TX) | CE King Relays(TX), 2015-03-13(#3) |
| B-300H | 18 | 40.44 | Franklin, LeRoy (2016) (George Ranch, TX) | TX 5A District 24 Rosenberg(TX), 2015-04-16(#1) |
| B-300H | 19 | 40.91 | Mitchell, Damar'ren (2016) (Magnolia West, TX) | TX 5A Area 19-20 Houston(TX), 2015-04-23(#2) |
| B-300H | 20 | 40.95 | Hantla, Drew (2017) (Magnolia, TX) | TX 5A District 19 Stratford(TX), 2015-04-16(#1) |
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| | | See more performances for B-300H | | |
