| Event | Rank | Mark | By | Meet |
| | | National Elites above. State Elites below | | |
| G-300H | 1 | 44.92 | Stegall, Arianna (2015) (Flour Bluff, TX) | TX 5A Region 4 San Antonio(TX), 2015-05-02(#1) |
| G-300H | 2 | 44.95 | Schulz, Natalie (2016) (Marble Falls, TX) | TX 5A Region 4 San Antonio(TX), 2015-05-02(#2) |
| G-300H | 3 | 45.06 | Lewis, Sarah (2015) (Marble Falls, TX) | TX 5A Region 4 San Antonio(TX), 2015-05-02(#3) |
| G-300H | 4 | 45.20 | Aberegg, Sydney (2016) (Cedar Park, TX) | TX 5A Region 4 San Antonio(TX), 2015-05-02(#4) |
| G-300H | 5 | 46.00 | Rangnow, Lauren (2016) (Victoria East, TX) | TX 5A Region 4 San Antonio(TX), 2015-05-02(#3) |
| G-300H | 6 | 46.43 | Stadler, Hannah (2016) (Boerne Champion, TX) | TX 5A District 27 Tivy(TX), 2015-04-16(#1) |
| G-300H | 7 | 46.46 | Stewart, Jordyn (2015) (Houston, TX) | TX 5A Area 27-28 Judson(TX), 2015-04-23(#1) |
| G-300H | 8 | 46.67 | Daniel, Bailey (2017) (Victoria West, TX) | TX 5A Area 29-30 Alice(TX), 2015-04-25(#2) |
| G-300H | 8 | 46.67 | Johnson, Madi (2017) (Vista Ridge, TX) | TX 5A District 25 Austin(TX), 2015-04-16(#4) |
| G-300H | 10 | 46.86 | Reyes, Alexandria (2015) (San Marcos, TX) | TX 5A District 27 Tivy(TX), 2015-04-16(#2) |
| G-300H | 11 | 47.48 | Rollins, Favianna (2016) (Gregory-Portland, TX) | TX 5A Region 4 San Antonio(TX), 2015-05-02(#8) |
| G-300H | 12 | 47.59 | Lopez, Marissa (2018) (Mercedes, TX) | TX 5A District 32 Donna(TX), 2015-04-18(#1) |
| G-300H | 13 | 47.73 | Wright, Destiny (2016) (Georgetown, TX) | TX 5A District 25 Austin(TX), 2015-04-16(#5) |
| G-300H | 14 | 47.83 | Schlather, Hayley (2018) (San Marcos, TX) | TX 5A Area 27-28 Judson(TX), 2015-04-23(#3) |
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| | | See more performances for G-300H | | |
