| Event | Rank | Mark | By | Meet |
| G-300H | 1 | 42.18 | Bender, Hope (2015) (Newport Harbor, CA) (US#24) | CA State Prelims(CA), 2015-06-05(#5) |
| G-300H | 2 | 42.45 | Webster, Juanita (2015) (Redlands, CA) (US#37) | CIF-SS Finals(CA), 2015-05-23(#1) |
| G-300H | 3 | 43.51 | Walker, Jaylah (2016) (La Sierra, CA) | CIF-SS Finals(CA), 2015-05-23(#3) |
| G-300H | 4 | 44.24 | Kratzberg, Emma (2016) (Newport Harbor, CA) | CIF-SS Finals(CA), 2015-05-23(#4) |
| G-300H | 5 | 44.44 | Teegarden, Olivia (2017) (Mission Viejo, CA) | CIF-SS Finals(CA), 2015-05-23(#5) |
| | | National Elites above. State Elites below | | |
| G-300H | 6 | 44.81 | Tabron, Diamond (2016) (JW North, CA) | Inland Empire Championships(CA), 2015-04-25(#1) |
| G-300H | 7 | 44.83 | Haddock, Krista (2015) (Hemet, CA) | CIF-SS Division 2 Prelims(CA), 2015-05-16(#6) |
| G-300H | 8 | 44.89 | Seaton, Samantha (2017) (Westlake, CA) | CIF-SS Finals(CA), 2015-05-23(#6) |
| G-300H | 9 | 45.03 | Feshbach, Natasha (2016) (Santa Barbara, CA) | CIF-SS Division 2 Prelims(CA), 2015-05-16(#8) |
| G-300H | 10 | 45.13 | Prince, Tamia (2016) (Mayfair, CA) | CIF-SS Division 2 Prelims(CA), 2015-05-16(#9) |
| G-300H | 11 | 45.58 | Reynolds, Shalee (2017) (Glendora, CA) | Palomares League Finals(CA), 2015-05-06(#1) |
| G-300H | 12 | 45.71 | Duarte, Hannah (2016) (Mission Viejo, CA) | Orange County Championships(CA), 2015-04-25(#5) |
| G-300H | 13 | 46.06 | Williams, Xjaedah (2016) (Oak Hills, CA) | CIF-SS Division 2 Prelims(CA), 2015-05-16(#12) |
| G-300H | 14 | 46.34 | Reynolds, Shyann (2017) (Glendora, CA) | CIF-SS Division 2 Prelims(CA), 2015-05-16(#13) |
| G-300H | 15 | 46.35 | Smeltzer, Veronica (2015) (Glendora, CA) | Irvine Invitational(CA), 2015-03-14(#1) |
| G-300H | 16 | 46.37 | Boger, Frankie (2016) (Thousand Oaks, CA) | Ventura County Championships(CA), 2015-05-01(#2) |
| G-300H | 17 | 46.45 | Smith, Gabriella (2018) (La Mirada, CA) | CIF-SS Division 2 Prelims(CA), 2015-05-16(#15) |
| G-300H | 18 | 46.46 | Larson, Shayna (2016) (San Juan Hills, CA) | CIF-SS Division 2 Prelims(CA), 2015-05-16(#16) |
| G-300H | 19 | 46.47 | Jones, Imani (2016) (Colony, CA) | Mt. Baldy League Finals(CA), 2015-05-07(#1) |
| G-300H | 20 | 46.71 | Wilcox, Sidney (2015) (Villa Park, CA) | CIF-SS Division 2 Prelims(CA), 2015-05-16(#18) |
| G-300H | 20 | 46.71 | Boswell, Devorjee (2016) (Colony, CA) | Mt. Baldy League Finals(CA), 2015-05-07(#2) |
| G-300H | 22 | 46.80 | Tristan, Amani (2015) (Northwood, CA) | CIF-SS Division 2 Prelims(CA), 2015-05-16(#19) |
| G-300H | 23 | 46.82 | Arteaga, Sandra (2018) (Serrano, CA) | CIF-SS Division 2 Prelims(CA), 2015-05-16(#20) |
| G-300H | 24 | 46.94 | Corner, Madeline (2016) (Carter, CA) | CIF-SS Division 1 Prelims(CA), 2015-05-16(#14) |
| G-300H | 25 | 47.09 | Sherrod, Kiera (2018) (Rio Mesa, CA) | CIF-SS Division 2 Prelims(CA), 2015-05-16(#23) |
| G-300H | 26 | 47.13 | Gordon, Mackenzie (2016) (Royal, CA) | CIF-SS Division 2 Prelims(CA), 2015-05-16(#24) |
| G-300H | 27 | 47.25 | Mclean, Jada (2018) (Palm Springs, CA) | Inland Empire Championships(CA), 2015-04-25(#2) |
| G-300H | 28 | 47.32 | Nalbandyan, Seanna (2017) (Canyon, CA) | CIF-SS Division 2 Prelims(CA), 2015-05-16(#25) |
| G-300H | 29 | 47.52 | Rouse, Kelsey (2015) (Moorpark, CA) | Oak Park at Moorpark(CA), 2015-04-23(#1) |
| G-300H | 30 | 47.55 | Liu, Kasady (2016) (Beckman, CA) | CIF-SS Division 1 Prelims(CA), 2015-05-16(#18) |
| G-300H | 31 | 47.68 | Osorio, Kaelie (2017) (Murrieta Mesa, CA) | ML King Frosh-Soph Classic(CA), 2015-03-28(#1) |
| G-300H | 32 | 47.72 | Nance, Lorraine (2018) (Temescal Canyon, CA) | Sunbelt League Finals(CA), 2015-05-06(#1) |
| G-300H | 33 | 47.73 | Tasse, Lauren (2015) (Sunny Hills, CA) | CIF-SS Division 2 Prelims(CA), 2015-05-16(#27) |
| G-300H | 34 | 47.74 | Magana, Mario (2015) (Summit, CA) | Mullen Runners Roost Invitational(CO), 2015-04-11(#2) |
| G-300H | 35 | 47.83 | Alamillo, Alexandra (2016) (Rio Mesa, CA) | Pacific View League Prelims/Finals(CA), 2015-05-08(#2) |
| G-300H | 36 | 47.91 | Scott, Katelyn (2016) (Glendora, CA) | Palomares League Finals(CA), 2015-05-06(#3) |
| G-300H | 37 | 47.93 | Fuller, Julianna (2017) (Arroyo Grande, CA) | PAC 8 League Finals(CA), 2015-05-07(#4) |
| | | | | |
| | | | | |
| | | | | |
| | | | | |
| | | See more performances for G-300H | | |
