| Event | Rank | Mark | By | Meet |
| G-400 | 1 | 55.96 | Mencarelli, Jenna (2017) (Westlake, CA) | AAU Junior Olympics National Championships 15-16(VA), 2015-08-08(#3) |
| G-400 | 2 | 56.02 | Gillian, Kennedy (2016) (Mission Viejo, CA) | Arcadia Invitational(CA), 2015-04-11(#2) |
| | | National Elites above. State Elites below | | |
| G-400 | 3 | 56.57 | Tuttle, Ceile (2016) (Fullerton, CA) | CIF-SS Division 2 Prelims(CA), 2015-05-16(#1) |
| G-400 | 4 | 56.71 | Sharp, Maya (2018) (Westlake, CA) | Ventura County Championships(CA), 2015-05-01(#2) |
| G-400 | 5 | 56.93 | Bradford, Lonshay (2015) (Elsinore, CA) | Elsinore at Hemet (CA), 2015-03-18(#1) |
| G-400 | 6 | 57.09 | Bender, Hope (2015) (Newport Harbor, CA) | Orange County Championships(CA), 2015-04-25(#3) |
| G-400 | 7 | 57.28 | Bietsch, Kendall (2015) (Canyon, CA) | CIF-SS Division 2 Prelims(CA), 2015-05-16(#5) |
| G-400 | 8 | 57.37 | Ibekewe, M'Fon (2015) (JW North, CA) | Inland Valley League Finals(CA), 2015-05-06(#2) |
| G-400 | 9 | 57.40 | Walker, Jaylah (2016) (La Sierra, CA) | River Valley League Finals(CA), 2015-05-06(#1) |
| G-400 | 10 | 57.51 | Duquette, Brittney (2015) (Claremont, CA) | Ayala vs Claremont(CA), 2015-03-26(#1) |
| G-400 | 11 | 57.89 | Merriweather, Lonyaa (2018) (Golden Valley, CA) | CIF-SS Division 2 Prelims(CA), 2015-05-16(#2) |
| G-400 | 12 | 57.93 | Houston, Alisa (2016) (Ventura, CA) | Channel League Finals(CA), 2015-05-08(#1) |
| G-400 | 13 | 58.28 | Forbes, Aliyah (2016) (Mater Dei, CA) | Trinity League Prelims(CA), 2015-04-30(#1) |
| G-400 | 14 | 58.40 | Richardson, Tavajia (2016) (Oak Hills, CA) | Mojave River League Finals(CA), 2015-04-29(#1) |
| G-400 | 15 | 58.43 | Saxson, Miracle (2018) (JW North, CA) | CIF-SS Division 2 Prelims(CA), 2015-05-16(#6) |
| G-400 | 16 | 58.53 | Perez, Savanna (2015) (Carter, CA) | CIF-SS Division 1 Prelims(CA), 2015-05-16(#17) |
| G-400 | 17 | 58.60 | Carreras, Angie (2015) (Mater Dei, CA) | Trinity League Prelims(CA), 2015-04-30(#2) |
| G-400 | 18 | 58.66 | O'Connor, Kate (2017) (Tesoro, CA) | Sea View League Prelims/Finals(CA), 2015-05-08(#2) |
| G-400 | 19 | 58.68 | Magnani, Michelle (2016) (Moorpark, CA) | Moorpark at Royal(CA), 2015-04-09(#1) |
| G-400 | 20 | 58.82 | Weisenberger, Devyn (2017) (Rio Mesa, CA) | Thousand Oaks Invitational(CA), 2015-03-21(#1) |
| G-400 | 21 | 58.94 | Anderson, Vanessa (2016) (Apple Valley, CA) | Mojave River League Finals(CA), 2015-04-29(#2) |
| G-400 | 22 | 58.97 | Grigaux, Sophie (2017) (San Juan Hills, CA) | Sea View League Prelims/Finals(CA), 2015-05-08(#2) |
| G-400 | 23 | 58.98 | Robbins, Claire (2016) (Serrano, CA) | Mojave River League Finals(CA), 2015-04-29(#3) |
| G-400 | 24 | 59.00 | Diaz, Misty (2018) (Norwalk, CA) | Suburban League Finals(CA), 2015-05-08(#1) |
| G-400 | 25 | 59.04 | Ngula, Joy (2015) (Vista Del Lago, CA) | Beaumont Cougar Classic(CA), 2015-03-21(#2) |
| G-400 | 26 | 59.14 | Hessler, Whitney (2017) (Mission Viejo, CA) | South Coast League Prelims/Finals(CA), 2015-05-08(#6) |
| G-400 | 27 | 59.17 | Wacker, Amber (2015) (Culver City, CA) | CIF-SS Division 2 Prelims(CA), 2015-05-16(#11) |
| G-400 | 28 | 59.20 | Ciling, Alison (2016) (Murrieta Mesa, CA) | Great Oak vs. Murrieta Mesa(CA), 2015-04-23(#3) |
| G-400 | 29 | 59.45 | Jones, Sasha (2016) (Vista Del Lago, CA) | Inland Empire Championships(CA), 2015-04-25(#3) |
| G-400 | 30 | 59.50 | Smith, Celine (2015) (Mission Viejo, CA) | Orange County Championships(CA), 2015-04-25(#11) |
| G-400 | 31 | 59.55 | Taite, Taylor (2015) (Murrieta Mesa, CA) | Great Oak vs. Murrieta Mesa(CA), 2015-04-23(#4) |
| G-400 | 32 | 59.64 | Ferguson, Desha (2015) (Oak Hills, CA) | Oak Hills vs Serrano(CA), 2015-04-08(#2) |
| G-400 | 33 | 59.67 | Robinson, London (Colony, CA) | USATF JO Southwest Assn(TX), 2015-06-20(#10) |
| G-400 | 34 | 59.68 | Haffar, Jasmine (2015) (Simi Valley, CA) | ASICS Mt. Carmel Invitational(CA), 2015-03-28(#13) |
| G-400 | 35 | 59.79 | Carrillo, Naomi (2015) (Moorpark, CA) | Oak Park at Moorpark(CA), 2015-04-23(#1) |
| G-400 | 36 | 59.81 | Fults, Paige (2016) (Newport Harbor, CA) | Irvine Invitational(CA), 2015-03-14(#5) |
| G-400 | 37 | 59.86 | Arco, Taylor (2016) (Mission Viejo, CA) | South Coast League Prelims/Finals(CA), 2015-05-08(#7) |
| G-400 | 38 | 59.92 | Palmer, Bria (2015) (JW North, CA) | Monrovia Wildcats Relays (CA), 2015-03-14(#2) |
| G-400 | 39 | 59.97 | Robinson, Kylie (2018) (Claremont, CA) | Palomares League Finals(CA), 2015-05-06(#2) |
| G-400 | 40 | 59.99 | Vissman, Lauren (2017) (San Juan Hills, CA) | San Juan Hills - Friday Night Lights(CA), 2015-03-06(#1) |
| G-400 | 41 | 1:00.07 | Courseault, Brie (2016) (Sultana, CA) | South Pasadena Tiger Invitational(CA), 2015-04-10(#8) |
| G-400 | 42 | 1:00.11 | Marks, Brystal (2018) (Canyon, CA) | Crestview League Prelims/Finals(CA), 2015-05-08(#1) |
| G-400 | 43 | 1:00.14 | Augustus, Destinee (2016) (Culver City, CA) | Ocean League Prelims/Finals(CA), 2015-05-04(#2) |
| G-400 | 44 | 1:00.18 | Campbell, Mikayla (2018) (Oak Hills, CA) | Inland Empire Championships(CA), 2015-04-25(#3) |
| G-400 | 45 | 60.21 | Smiggs, Sydney (2015) (Mission Viejo, CA) | South Coast League Prelims/Finals(CA), 2015-05-08(#8) |
| G-400 | 46 | 60.26 | Goldrod, Sarah (2017) (Moorpark, CA) | Oak Park at Moorpark(CA), 2015-04-23(#2) |
| G-400 | 47 | 60.43 | Davis, Aija (2018) (Colony, CA) | CIF-SS Division 2 Prelims(CA), 2015-05-16(#18) |
| G-400 | 48 | 1:00.50 | Phillips, Brenna (2015) (Redlands East Valley, CA) | Beaumont Cougar Classic(CA), 2015-03-21(#4) |
| G-400 | 49 | 60.53 | Crowley, Allison (2015) (Redlands, CA) | CIF-SS Division 2 Prelims(CA), 2015-05-16(#19) |
| G-400 | 50 | 1:00.56 | Kelley, Emani (2015) (Ventura, CA) | Buchanan West Coast Relays(CA), 2015-04-18(#5) |
| G-400 | 51 | 1:00.60 | Nalbandyan, Seanna (2017) (Canyon, CA) | Foothill League Finals(CA), 2015-05-07(#3) |
| G-400 | 52 | 1:00.62 | Smith, Skylar (2018) (Tesoro, CA) | Sea View League Prelims/Finals(CA), 2015-05-08(#5) |
| G-400 | 53 | 60.63 | Hall, Hannah (2016) (Villa Park, CA) | Orange County Championships(CA), 2015-04-25(#16) |
| G-400 | 54 | 60.74 | Gonzalez, Angela (2016) (Mater Dei, CA) | Trinity League Prelims(CA), 2015-04-30(#6) |
| G-400 | 55 | 1:00.81 | Little, Makayla (2015) (Patriot, CA) | River Valley League Finals(CA), 2015-05-06(#3) |
| G-400 | 56 | 60.82 | Oefeleian, Meagan (2017) (Woodbridge, CA) | Beach Cities Invitational(CA), 2015-03-28(#10) |
| G-400 | 57 | 60.93 | Klusman, Kayla (2018) (Thousand Oaks, CA) | Ventura County Championships(CA), 2015-05-01(#10) |
| G-400 | 58 | 1:00.94 | Mellor, Emily (2016) (Thousand Oaks, CA) | Thousand Oaks Invitational(CA), 2015-03-21(#2) |
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