| Event | Rank | Mark | By | Meet |
| | | National Elites above. State Elites below | | |
| G-300H | 1 | 45.15 | Heitzmann, Kasey (2014) (Victoria East, TX) | TX 4A Region 4 San Antonio(TX), 2014-04-26(#2) |
| G-300H | 2 | 45.32 | Stegall, Arianna (2015) (Flour Bluff, TX) | TX 4A Region 4 San Antonio(TX), 2014-04-26(#3) |
| G-300H | 3 | 45.64 | Lewis, Sarah (2015) (Marble Falls, TX) | Fredericksburg Wicker Relays(TX), 2014-03-22(#2) |
| G-300H | 4 | 45.83 | Schulz, Natalie (2016) (Marble Falls, TX) | Marble Falls Relays(TX), 2014-03-27(#3) |
| G-300H | 5 | 45.98 | Kaminski, Tivi (Alamo Heights, TX) | TX 4A Area 27-28 Steele(TX), 2014-04-17(#2) |
| G-300H | 6 | 46.45 | Stadler, Hannah (2016) (Boerne Champion, TX) | TX 4A Area 27-28 Steele(TX), 2014-04-17(#3) |
| G-300H | 7 | 46.53 | Daniel, Bailey (2017) (Victoria West, TX) | TX 4A Area 29-30 Gregory-Portland(TX), 2014-04-16(#2) |
| G-300H | 8 | 46.91 | Lopez, Clara (2014) (Kennedy, TX) | TX 4A Area 29-30 Gregory-Portland(TX), 2014-04-16(#3) |
| G-300H | 9 | 47.14 | Reyes, Alexandria (2015) (San Marcos, TX) | Wagner T-Bird Relays(TX), 2014-04-03(#3) |
| G-300H | 10 | 47.26 | Rangnow, Lauren (2016) (Victoria East, TX) | TX 4A District 30 - Gregory-Portland(TX), 2014-04-10(#2) |
| G-300H | 11 | 47.34 | Moorhead, Ana (2014) (East View, TX) | Rouse Relays(TX), 2014-03-28(#2) |
| G-300H | 12 | 47.36 | Solis, Leanna (2014) (Gregory-Portland, TX) | TX 4A Area 29-30 Gregory-Portland(TX), 2014-04-16(#4) |
| G-300H | 13 | 47.42 | Nash, Jordan (2015) (Medina Valley, TX) | Joshua Relays(TX), 2014-03-22(#2) |
| G-300H | 14 | 47.58 | Schmidt, Cassidy (2015) (Lockhart, TX) | NB Canyon Relays(TX), 2014-04-04(#2) |
| G-300H | 15 | 47.66 | Lopez, Corrie (Flour Bluff, TX) | TX 4A Region 4 San Antonio(TX), 2014-04-26(#10) |
| G-300H | 16 | 47.92 | Johnson, Madi (2017) (Vista Ridge, TX) | TX 4A District 25 Austin(TX), 2014-04-10(#4) |
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| | | See more performances for G-300H | | |
