| Event | Rank | Mark | By | Meet |
| G-400 | 1 | 55.12 | Miller, Samara (2016) (Neuqua Valley, IL) (US#86) | Paul Wallace Classic (IL), 2015-01-01(#1) |
| | | National Elites above. State Elites below | | |
| G-400 | 2 | 56.95 | Hargrave, Tashee (2016) (Neuqua Valley, IL) | USATF JO Region 7 Qualifier(IL), 2015-07-12(#3) |
| G-400 | 3 | 59.52 | Dwyer, Dana (2017) (Waubonsie Valley, IL) | Upstate Eight Girls Conference Meet(IL), 2015-05-07(#7) |
| G-400 | 4 | 59.66 | Suggs, Keina (2016) (Glenbard North, IL) | DuPage Valley Girls Conference Meet(IL), 2015-05-07(#1) |
| G-400 | 5 | 1:00.05 | Allie, Saffilla (2018) (Naperville North, IL) | Gus Scott Co-Ed Invitational(IL), 2015-04-17(#1) |
| G-400 | 6 | 1:00.69 | Hughes, Brion (2016) (Waubonsie Valley, IL) | Gus Scott Co-Ed Invitational(IL), 2015-04-17(#2) |
| G-400 | 7 | 1:01.10 | Nottke, Beatrice (2016) (Wheaton North, IL) | DuPage Valley Girls Conference Meet(IL), 2015-05-07(#3) |
| G-400 | 8 | 1:01.81 | Jachimiec, Grace (2016) (Metea Valley, IL) | Upstate Eight Girls Conference Meet(IL), 2015-05-07(#15) |
| G-400 | 9 | 1:01.83 | Hernandez, Nicki (2017) (Metea Valley, IL) | Upstate Eight Girls Conference Meet(IL), 2015-05-07(#16) |
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| | | See more performances for G-400 | | |
