| Event | Rank | Mark | By | Meet |
| G-300H | 1 | 44.04 | Robertson, Dae Dae (2016) (Rockdale, TX) | TX 3A Region 3 Baylor(TX), 2015-05-02(#1) |
| | | National Elites above. State Elites below | | |
| G-300H | 2 | 44.68 | Jost, Saegan (2017) (Wall, TX) | TX 3A Region 1 Abilene(TX), 2015-05-02(#1) |
| G-300H | 3 | 44.87 | Washington, Chyna (2016) (Brady, TX) | TX 3A Region 1 Abilene(TX), 2015-05-02(#2) |
| G-300H | 4 | 45.05 | Nash, Jordan (2015) (Grandview, TX) | TX 3A State Meet(TX), 2015-05-16(#1) |
| G-300H | 5 | 45.21 | Cano, Elena (2016) (Alpine, TX) | TX 3A Region 1 Abilene(TX), 2015-05-02(#3) |
| G-300H | 6 | 45.22 | Waggoner, Andrea (2017) (George West, TX) | TX 3A Region 4 Converse(TX), 2015-05-02(#1) |
| G-300H | 7 | 45.49 | Yeager, Caylee (2016) (Mcgregor, TX) | TX 3A Region 3 Baylor(TX), 2015-05-02(#2) |
| G-300H | 8 | 45.55 | Smith, Kylah (2015) (Life Red Oak, TX) | TX 3A Area 11-12 Rio Vista(TX), 2015-04-22(#1) |
| G-300H | 9 | 45.61 | Baker, Shanecia (2015) (Chapel Hill, TX) | TX 4A Region 2 Commerce(TX), 2015-05-02(#2) |
| G-300H | 9 | 45.61 | Melvin, Sharday (2016) (Early, TX) | TX 3A Region 1 Abilene(TX), 2015-05-02(#2) |
| G-300H | 11 | 45.86 | Schneider, Riley (2017) (Rice Consolidated, TX) | TX 3A Region 4 Converse(TX), 2015-05-02(#2) |
| G-300H | 12 | 46.22 | Smith, Lanique (2016) (Stanton, TX) | TX 3A Region 1 Abilene(TX), 2015-05-02(#5) |
| G-300H | 13 | 46.36 | Schiller, Kamrynn (2015) (West, TX) | TX 3A Region 3 Baylor(TX), 2015-05-02(#3) |
| G-300H | 13 | 46.36 | Ellis, Mallorie (2015) (Brownfield, TX) | TX 3A Region 1 Abilene(TX), 2015-05-02(#6) |
| G-300H | 15 | 46.47 | Walker, Kyla (2015) (Franklin, TX) | TX 3A Region 3 Baylor(TX), 2015-05-02(#4) |
| G-300H | 16 | 46.77 | Wright, Clara (2015) (Banquete, TX) | TX 3A Region 4 Converse(TX), 2015-05-02(#3) |
| G-300H | 17 | 46.91 | Adkins, Breanna (2015) (Gunter, TX) | TX 3A Region 2 Whitehouse(TX), 2015-05-02(#2) |
| G-300H | 18 | 46.93 | McAnear, Laiken (2018) (Glen Rose, TX) | TX 3A Region 2 Whitehouse(TX), 2015-05-02(#3) |
| G-300H | 19 | 47.06 | Brogger, Lauren (2015) (Industrial, TX) | TX 3A Region 4 Converse(TX), 2015-05-02(#4) |
| G-300H | 20 | 47.18 | Donsbach, Lauren (2016) (Stockdale, TX) | TX 3A Region 4 Converse(TX), 2015-05-02(#5) |
| G-300H | 21 | 47.20 | Farrar, Holly (2016) (River Road, TX) | TX 3A Region 1 Abilene(TX), 2015-05-02(#7) |
| G-300H | 22 | 47.60 | Redding, Logan (2016) (Winnsboro, TX) | TX 3A Region 2 Whitehouse(TX), 2015-05-02(#4) |
| G-300H | 23 | 47.66 | Williams, Cayenne (2017) (Shallowater, TX) | TX 3A Area 1-2 Tulia(TX), 2015-04-23(#1) |
| G-300H | 24 | 47.75 | Tislow, Casey (2017) (Goliad, TX) | TX 3A Area 27-28 Altair(TX), 2015-04-22(#3) |
| G-300H | 25 | 47.79 | Tetmeyer, Harmony (2015) (Pilot Point, TX) | TX 3A Region 2 Whitehouse(TX), 2015-05-02(#5) |
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| | | See more performances for G-300H | | |
