| Event | Rank | Mark | By | Meet |
| G-400 | 1 | 54.58 | Chandler, Jackie (2015) (Santa Ynez, CA) (US#46) | CIF-SS Masters Meet(CA), 2015-05-29(#2) |
| G-400 | 2 | 54.85 | Johnson, Sarah (2015) (Oaks Christian, CA) (US#67) | CIF-SS Masters Meet(CA), 2015-05-29(#3) |
| G-400 | 3 | 55.33 | Williams, Lauren Rain (2017) (Oaks Christian, CA) | Westlake at Oaks Christian(CA), 2015-04-23(#1) |
| G-400 | 4 | 55.52 | Wilson, Carolyn (2017) (Oaks Christian, CA) | USATF World Youth Trials(IL), 2015-07-01(#11) |
| | | National Elites above. State Elites below | | |
| G-400 | 5 | 56.91 | Cross, Devyn (2016) (Desert, CA) | CIF-SS Finals(CA), 2015-05-23(#3) |
| G-400 | 6 | 57.55 | Harper, Jayla (2017) (Louisville, CA) | Sunshine League Prelims/Finals(CA), 2015-05-08(#1) |
| G-400 | 7 | 57.60 | Hale, Aliyah (2015) (St. Mary's Academy, CA) | CIF-SS Division 4 Prelims(CA), 2015-05-16(#3) |
| G-400 | 8 | 57.81 | Montgomery, Kayla (2015) (Flintridge Sacred Heart, CA) | Sunshine League Prelims/Finals(CA), 2015-05-08(#2) |
| G-400 | 9 | 57.88 | Putnam, Coco (2016) (Laguna Beach, CA) | CIF-SS Division 4 Prelims(CA), 2015-05-16(#5) |
| G-400 | 10 | 58.05 | Bassay, Farrah (2016) (Hillcrest, CA) | CIF-SS Finals(CA), 2015-05-23(#2) |
| G-400 | 11 | 58.51 | Bryne, Bobbie (2018) (Flintridge Sacred Heart, CA) | CIF-SS Division 4 Prelims(CA), 2015-05-16(#6) |
| G-400 | 12 | 58.92 | Moore, Schuyler (2015) (Oaks Christian, CA) | Agoura at Oaks Christian(CA), 2015-04-16(#2) |
| G-400 | 13 | 58.98 | Daughters, Eleni (2017) (La Salle, CA) | CIF-SS Finals(CA), 2015-05-23(#7) |
| G-400 | 14 | 59.08 | Caldera, Alyssa (2017) (Mission Prep, CA) | PAC 8 League Finals(CA), 2015-05-07(#1) |
| G-400 | 15 | 59.16 | Nolasco, Alexandra (2017) (Santa Ynez, CA) | CIF-SS Division 4 Prelims(CA), 2015-05-16(#10) |
| G-400 | 16 | 59.23 | Barakat, Hannah (2017) (Flintridge Preparatory School, CA) | CIF-SS Division 4 Prelims(CA), 2015-05-16(#11) |
| G-400 | 17 | 59.51 | Hahn, Eden (2017) (St. Bonaventure, CA) | CIF-SS Division 4 Prelims(CA), 2015-05-16(#13) |
| G-400 | 18 | 59.55 | Sullivan, Julia (2017) (Oaks Christian, CA) | Oaks Christian at Thousand Oaks(CA), 2015-04-02(#2) |
| G-400 | 19 | 59.58 | Golden, Madison (2016) (Serra Gardena, CA) | Redondo Nike Invitational(CA), 2015-03-14(#7) |
| G-400 | 20 | 59.68 | Webb, Miah (2015) (Oaks Christian, CA) | Oaks Christian at Thousand Oaks(CA), 2015-04-02(#3) |
| G-400 | 21 | 59.95 | Crowther, Jackie (2015) (Linfield Christian, CA) | Ambassador League Meet #4 (CA), 2015-04-30(#1) |
| G-400 | 22 | 1:00.21 | Serhan, Emily (2016) (Mayfield, CA) | Calvin Christian Small School Invitational(CA), 2015-03-28(#2) |
| G-400 | 23 | 60.34 | Ledesma, Marian (2018) (Valley Christian, CA) | CIF-SS Division 4 Prelims(CA), 2015-05-16(#14) |
| G-400 | 24 | 1:00.48 | Konopliv, Mary (2015) (Marshall Fundamental, CA) | Mission Valley League Finals(CA), 2015-05-08(#1) |
| G-400 | 25 | 60.57 | Williams, Araya (2015) (Pomona Catholic, CA) | Tri County Small School Invitational(CA), 2015-03-14(#1) |
| G-400 | 26 | 1:00.61 | Hogan, Caitlin (2016) (Viewpoint, CA) | Russell Cup(CA), 2015-04-18(#1) |
| G-400 | 27 | 60.88 | Paige, Indira (2016) (Aquinas, CA) | CIF-SS Division 4 Prelims(CA), 2015-05-16(#15) |
| G-400 | 28 | 60.94 | Mckinna-Worrell, Ella (2018) (Malibu, CA) | CIF-SS Division 4 Prelims(CA), 2015-05-16(#16) |
| G-400 | 29 | 1:01.00 | Mendoza, Isabella (Mayfield, CA) | Russell Cup(CA), 2015-04-18(#2) |
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| | | See more performances for G-400 | | |
