| Event | Rank | Mark | By | Meet |
| G-300H | 1 | 42.80 | Amadu, Friddaus (2015) (Kingwood Park, TX) (US#56) | Texas Relays(TX), 2015-03-28(#4) |
| G-300H | 2 | 43.22 | Young, Akuira (2015) (Tomball Memorial, TX) (US#82) | TX 5A State Meet(TX), 2015-05-15(#3) |
| G-300H | 3 | 44.31 | Wright, Selena (2016) (Elgin, TX) | TX 5A District 17 Hutto(TX), 2015-04-15(#1) |
| G-300H | 4 | 44.49 | Dobson, Ashlyn (2016) (Barbers Hill, TX) | TAAF Games of Texas(TX), 2015-08-02(#1) |
| | | National Elites above. State Elites below | | |
| G-300H | 5 | 45.35 | Hatton, Jaelin (2015) (Marshall, TX) | TX 5A District 23 Ft Bend(TX), 2015-04-18(#1) |
| G-300H | 6 | 45.70 | Miller, Toni (2016) (Humble, TX) | TX 5A District 21 Barbers Hill(TX), 2015-04-15(#3) |
| G-300H | 7 | 46.28 | Orzabal, Gabbi (2015) (College Station, TX) | TX 5A District 18 College Station(TX), 2015-04-16(#1) |
| G-300H | 8 | 46.31 | Dore, Drewan (2015) (Hutto, TX) | TX 5A Region 3 Huntsville(TX), 2015-05-02(#3) |
| G-300H | 9 | 46.45 | Golden, Miranda (2018) (Bryan, TX) | TX 5A Region 3 Huntsville(TX), 2015-05-02(#4) |
| G-300H | 10 | 46.50 | Beckmeyer, Alyse (2018) (Waller, TX) | TX 5A Region 3 Huntsville(TX), 2015-05-02(#5) |
| G-300H | 11 | 46.86 | Young, Taylor (2015) (Rudder, TX) | TX 5A District 18 College Station(TX), 2015-04-16(#3) |
| G-300H | 12 | 46.94 | Cheek, Chelsea (2016) (Lee, TX) | TX 5A Region 3 Huntsville(TX), 2015-05-02(#5) |
| G-300H | 13 | 47.13 | Hathaway, Jacquelyn (2015) (Manor, TX) | TX 5A Region 3 Huntsville(TX), 2015-05-02(#6) |
| G-300H | 14 | 47.14 | Soto, Ivanna (2015) (Kingwood Park, TX) | CL Hanna Gator Relays(TX), 2015-03-07(#5) |
| G-300H | 15 | 47.33 | Hathaway, Jackie (2015) (Manor, TX) | TX 5A Area 17-18 College Station(TX), 2015-04-23(#5) |
| G-300H | 16 | 47.46 | Thomas, Alexis (2017) (George Ranch, TX) | TX 5A District 24 Rosenberg(TX), 2015-04-16(#1) |
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| | | See more performances for G-300H | | |
