| Event | Rank | Mark | By | Meet |
| G-400 | 1 | 55.36 | Warden, Jadsia (2016) (Chapin, TX) | NB Outdoor Nationals(NC), 2015-06-21(#19) |
| | | National Elites above. State Elites below | | |
| G-400 | 2 | 57.49 | Dewey, Monica (2015) (Randall, TX) | TX 5A Region 1 Lubbock(TX), 2015-05-02(#1) |
| G-400 | 3 | 57.51 | Covington, Kiana (2015) (Hanks, TX) | Amarillo Relays(TX), 2015-03-27(#1) |
| G-400 | 4 | 58.13 | Johnson, Corinth (2017) (Burleson, TX) | Luke's FW All-Comers 6-25(TX), 2015-06-25(#1) |
| G-400 | 5 | 58.16 | Underwood, Soren (2017) (Joshua, TX) | TX 5A Region 1 Lubbock(TX), 2015-05-02(#3) |
| G-400 | 6 | 58.93 | Yerby, Hannah (2016) (Canyon, TX) | Canyon Relays(TX), 2015-03-06(#1) |
| G-400 | 7 | 59.19 | Neely, Alexandria (Wyatt, TX) | TX 5A Region 1 Lubbock(TX), 2015-05-02(#3) |
| G-400 | 8 | 59.26 | Brown, Monica (2016) (Centennial, TX) | TX 5A District 8 Burleson(TX), 2015-04-16(#2) |
| G-400 | 9 | 59.29 | Wilson, Izzy (2016) (Canyon, TX) | TX 5A District 3 Dumas(TX), 2015-04-17(#2) |
| G-400 | 10 | 59.32 | Thomas, Makayla (2018) (Randall, TX) | TX 5A District 3 Dumas(TX), 2015-04-17(#3) |
| G-400 | 11 | 59.43 | Jones, Hali (2017) (Crowley, TX) | AAU JO District Southwest(TX), 2015-06-14(#7) |
| G-400 | 12 | 59.67 | Pinkney, Breona (2018) (Jefferson, TX) | USATF JO Border Assn(TX), 2015-06-27(#1) |
| G-400 | 13 | 59.72 | Garcia, Kylee (2015) (Rider, TX) | TX 5A Region 1 Lubbock(TX), 2015-05-02(#5) |
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| | | See more performances for G-400 | | |
