| Event | Rank | Mark | By | Meet |
| G-300H | 1 | 40.73 | Graham, Jasmyne (2015) (Eleanor Roosevelt, CA) (US#1) | CA State Finals(CA), 2015-06-06(#1) |
| G-300H | 2 | 42.20 | Robinson, Shante (2017) (Mira Costa, CA) (US#26) | CA State Finals(CA), 2015-06-06(#5) |
| G-300H | 3 | 43.63 | Pedrani, Paula (2016) (El Toro, CA) | CIF-SS Finals(CA), 2015-05-23(#3) |
| G-300H | 4 | 44.04 | Avila, Malia (2017) (Walnut, CA) | CIF-SS Finals(CA), 2015-05-23(#4) |
| G-300H | 5 | 44.10 | Bernard-Joseph, Breanna (2018) (Eleanor Roosevelt, CA) | CIF-SS Division 1 Prelims(CA), 2015-05-16(#2) |
| G-300H | 5 | 44.10 | Anderson, Shae (2017) (Santiago, CA) | ML King vs Corona(CA), 2015-04-08(#1) |
| G-300H | 7 | 44.34 | Amarasekara, Dilini (2016) (Etiwanda, CA) | Roosevelt Invitational and Distance Carnival(CA), 2015-03-28(#1) |
| G-300H | 8 | 44.49 | Sutton, April (2015) (Centennial, CA) | CIF-SS Division 1 Prelims(CA), 2015-05-16(#5) |
| | | National Elites above. State Elites below | | |
| G-300H | 9 | 45.29 | Bernard, Breanna (Eleanor Roosevelt, CA) | Mt. SAC Relays(CA), 2015-04-18(#5) |
| G-300H | 10 | 45.40 | Welsh, Hana (2016) (Highland, CA) | Golden League Prelims/Finals(CA), 2015-05-06(#1) |
| G-300H | 11 | 45.83 | Bennyworth, Riley (2016) (Edison, CA) | Sunset League Prelims(CA), 2015-05-01(#1) |
| G-300H | 12 | 45.89 | Oliveira, Flora (2017) (Alta Loma, CA) | CIF-SS Division 1 Prelims(CA), 2015-05-16(#8) |
| G-300H | 13 | 45.97 | Hamlin, Kristen (2015) (Redondo Union, CA) | Bay League Finals(CA), 2015-05-08(#2) |
| G-300H | 14 | 46.03 | Weaver, Leighana (2015) (M.L.King Jr., CA) | ML King vs Roosevelt(CA), 2015-04-22(#2) |
| G-300H | 15 | 46.31 | Pelle, Sherrice (2015) (Millikan, CA) | Moore League Finals(CA), 2015-05-08(#1) |
| G-300H | 16 | 46.42 | Barilla, Catherine (2015) (Los Osos, CA) | Baseline League Finals(CA), 2015-05-08(#2) |
| G-300H | 17 | 46.45 | Ainsworth, Je'Neal (2015) (Long Beach Poly, CA) | CIF-SS Division 1 Prelims(CA), 2015-05-16(#10) |
| G-300H | 18 | 46.65 | Stevenson, Ciynamon (2016) (Great Oak, CA) | Great Oak at Poway (CA), 2015-03-05(#2) |
| G-300H | 19 | 46.67 | Thompson, Jennifer (2016) (Dana Hills, CA) | Dana Hills vs Trabuco Hills(CA), 2015-04-23(#1) |
| G-300H | 20 | 46.68 | Phinney, Sammie (2015) (Crescenta Valley, CA) | CIF-SS Division 1 Prelims(CA), 2015-05-16(#11) |
| G-300H | 21 | 46.71 | Frank, Sarah Ann (2018) (M.L.King Jr., CA) | Big VIII League Prelims(CA), 2015-05-05(#5) |
| G-300H | 22 | 46.76 | Bochard, Kira (2017) (Burbank, CA) | Pacific League Prelims/Finals(CA), 2015-05-08(#1) |
| G-300H | 22 | 46.76 | Pham, Davina (2016) (Fountain Valley, CA) | UVU HS Invitational(UT), 2015-03-28(#2) |
| G-300H | 24 | 46.82 | Washington, Corinne (2016) (Wilson, CA) | Reedley Invitational(CA), 2015-05-01(#1) |
| G-300H | 25 | 46.95 | Lyles, Lanaya (2015) (Silverado, CA) | CIF-SS Division 2 Prelims(CA), 2015-05-16(#22) |
| G-300H | 26 | 47.03 | Wodzynski, Pierson (2017) (Redondo Union, CA) | CIF-SS Division 1 Prelims(CA), 2015-05-16(#15) |
| G-300H | 27 | 47.21 | Joseph, Dehjiah (2016) (Vista Murrieta, CA) | Vista Murrieta at Murrieta Mesa(CA), 2015-04-16(#1) |
| G-300H | 28 | 47.26 | Burgos, Giselle (2015) (El Rancho, CA) | CIF-SS Division 1 Prelims(CA), 2015-05-16(#17) |
| G-300H | 29 | 47.28 | Apodaca, Nicole (2015) (Edison, CA) | Sunset League Finals(CA), 2015-05-07(#4) |
| G-300H | 30 | 47.47 | Oguejiofor, Adaugo (2017) (West Ranch, CA) | Foothill League Finals(CA), 2015-05-07(#1) |
| G-300H | 31 | 47.57 | Barrett, Constance (2018) (El Toro, CA) | South Coast League Prelims/Finals(CA), 2015-05-08(#1) |
| G-300H | 32 | 47.65 | Davis, Kyli (2016) (Vista Murrieta, CA) | ASICS Mt. Carmel Invitational(CA), 2015-03-28(#12) |
| G-300H | 33 | 47.73 | Dyer, Danae (2018) (Temecula Valley, CA) | Temecula vs Paloma Valley vs Linfield Christian(CA), 2015-03-05(#1) |
| G-300H | 34 | 47.76 | Walls, Genesis (2017) (Rancho Verde, CA) | Rancho Verde vs Canyon Springs vs Valley View(CA), 2015-04-09(#1) |
| G-300H | 35 | 47.79 | Annino, Isabel (2015) (Arcadia, CA) | ASICS Mt. Carmel Invitational(CA), 2015-03-28(#14) |
| G-300H | 36 | 47.80 | Kumano, Ayla (2015) (Aliso Niguel, CA) | South Coast League Prelims/Finals(CA), 2015-05-08(#5) |
| G-300H | 37 | 47.83 | Carnahan, Brooke (2017) (Chino Hills, CA) | Baseline League Finals(CA), 2015-05-08(#3) |
| G-300H | 38 | 47.88 | Ferguson, Mya (2018) (Wilson, CA) | Reedley Invitational(CA), 2015-05-01(#5) |
| G-300H | 39 | 47.90 | Ann, Sarah (2018) (M.L.King Jr., CA) | Rancho Bernardo Bronco Invitational(CA), 2015-03-14(#5) |
| G-300H | 40 | 47.91 | Warner, Chianne (2017) (William J. Pete Knight, CA) | Golden League Prelims/Finals(CA), 2015-05-06(#2) |
| G-300H | 41 | 47.94 | Mata, Pi'Ilani (2016) (Los Alamitos, CA) | Beach Cities Invitational(CA), 2015-03-28(#6) |
| G-300H | 42 | 47.95 | Smith, Kennedy (2018) (Upland, CA) | California Relays(CA), 2015-03-21(#4) |
| G-300H | 43 | 47.98 | Mckeown, Tara (2017) (Newbury Park, CA) | Ventura County Championships(CA), 2015-05-01(#5) |
| G-300H | 44 | 48.00 | Covington, Nicole (2015) (Cypress, CA) | Orange County Championships(CA), 2015-04-25(#11) |
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| | | See more performances for G-300H | | |
