| Event | Rank | Mark | By | Meet |
| G-300H | 1 | 41.47 | Hill, Morganne (2015) (Liberty, CA) (US#7) | CA State Finals(CA), 2015-06-06(#4) |
| | | National Elites above. State Elites below | | |
| G-300H | 2 | 45.19 | Malone, A'Jai (2015) (Bakersfield, CA) | CIF-CE Masters(CA), 2015-05-23(#2) |
| G-300H | 3 | 45.76 | Gallien, Laci (2015) (California City, CA) | Cal City at Rosamond(CA), 2015-04-16(#1) |
| G-300H | 4 | 46.06 | Omawahleh, Dhakiya (2015) (Selma, CA) | CIF-CE Masters(CA), 2015-05-23(#3) |
| G-300H | 5 | 46.37 | Slayton, Riley (2018) (Liberty, CA) | CIF-CE Masters(CA), 2015-05-23(#4) |
| G-300H | 6 | 46.93 | Walker, Cheyanne (2015) (Golden West, CA) | West Yosemite League(CA), 2015-05-08(#1) |
| G-300H | 7 | 47.06 | Romanini, Mikaela (2017) (Bakersfield, CA) | Reedley Invitational(CA), 2015-05-01(#2) |
| G-300H | 8 | 47.14 | Hamilton, Damaris (2015) (Clovis West, CA) | Sanger Metric Classic(CA), 2015-04-24(#1) |
| G-300H | 9 | 47.25 | Espe, Elyse (Yosemite, CA) | CIF-CE Sierra-Sequoia Area Championships(CA), 2015-05-13(#2) |
| G-300H | 10 | 47.50 | Namey, Alexis (2015) (Tehachapi, CA) | Gary Adams Invitational(CA), 2015-04-10(#1) |
| G-300H | 11 | 47.53 | Poole, Andee (2018) (Sanger, CA) | CIF-CE Central Area Championships(CA), 2015-05-13(#1) |
| G-300H | 12 | 47.80 | Hernandez, Dominique (2018) (Tulare Western, CA) | CIF-CE Central Area Championships(CA), 2015-05-13(#2) |
| G-300H | 13 | 47.86 | Kozlowski, Rebecca (2015) (El Diamante, CA) | West Yosemite League(CA), 2015-05-08(#2) |
| G-300H | 14 | 47.91 | Mahlum, Remington (2016) (Buchanan, CA) | Tri-River Athletic Conference Finals(CA), 2015-05-07(#1) |
| G-300H | 15 | 48.00 | Budwig, Jayme (2016) (Fowler, CA) | CIF-CE Masters(CA), 2015-05-23(#6) |
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| | | See more performances for G-300H | | |
