| Event | Rank | Mark | By | Meet |
| | | National Elites above. State Elites below | | |
| G-300H | 1 | 45.72 | Mccloughan, Janie (2015) (Geneva, IL) | IL 3A Girls State Prelims(IL), 2015-05-22(#10) |
| G-300H | 2 | 46.53 | Kerndl, Angela (2015) (Glenbard East, IL) | IL 3A Glenbard North Girls Sectional(IL), 2015-05-14(#1) |
| G-300H | 3 | 46.93 | Mcnichols, Casey (2017) (St. Charles East, IL) | IL 3A St. Charles North Girls Sectional(IL), 2015-05-15(#2) |
| G-300H | 4 | 47.32 | Schilb, Hannah (2016) (St. Charles North, IL) | Mike VanDeever Invitational(IL), 2015-04-18(#4) |
| G-300H | 5 | 47.64 | Glas, Jessica (2016) (St. Charles East, IL) | IL 3A St. Charles North Girls Sectional(IL), 2015-05-15(#3) |
| G-300H | 6 | 49.09 | Ginsberg, Claire (Geneva, IL) | IL 3A St. Charles North Girls Sectional(IL), 2015-05-15(#6) |
| G-300H | 7 | 49.54 | Orozco, Isabella (2016) (Larkin, IL) | Upstate Eight Girls Conference Meet(IL), 2015-05-07(#8) |
| G-300H | 8 | 49.57 | Duncan, Jasmin (2016) (South Elgin, IL) | IL 3A St. Charles North Girls Sectional(IL), 2015-05-15(#8) |
| G-300H | 9 | 49.58 | Andrews, Rajiah (2017) (West Aurora, IL) | IL 3A St. Charles North Girls Sectional(IL), 2015-05-15(#9) |
| G-300H | 10 | 49.92 | Doster, Sarah (Streamwood, IL) | IL 3A St. Charles North Girls Sectional(IL), 2015-05-15(#10) |
| G-300H | 11 | 49.95 | Reed, Georgia (2018) (Geneva, IL) | Mike VanDeever Invitational(IL), 2015-04-18(#6) |
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| | | See more performances for G-300H | | |
