| Event | Rank | Mark | By | Meet |
| | | National Elites above. State Elites below | | |
| G-400 | 1 | 57.86 | Coy, Addison (2017) (Barrington, IL) | Mid Suburban League Girls Championships(IL), 2015-05-08(#1) |
| G-400 | 2 | 58.84 | Iginla, Basirat (2015) (Palatine, IL) | Palatine Relays(IL), 2015-05-02(#1) |
| G-400 | 3 | 59.10 | Mclaurin, Kelsey (2017) (Barrington, IL) | Barrington Girls Invitational(IL), 2015-04-17(#3) |
| G-400 | 4 | 59.29 | Finegan, Nora (2016) (Fremd, IL) | Mid Suburban League Girls Championships(IL), 2015-05-08(#2) |
| G-400 | 5 | 59.39 | O'Brien, Kelly (2016) (Palatine, IL) | MSL-West Girls Divisional Championship(IL), 2015-04-28(#1) |
| G-400 | 6 | 59.71 | Cossio, Anna (2016) (Barrington, IL) | Palatine Relays(IL), 2015-05-02(#3) |
| G-400 | 7 | 1:00.40 | Karwiec, Edyta (2015) (Hoffman Estates, IL) | Conant Girls Twilight Invitational(IL), 2015-05-01(#1) |
| G-400 | 7 | 1:00.40 | Piotrowski, Julia (2018) (Barrington, IL) | IL 3A Fremd Girls Sectional(IL), 2015-05-15(#4) |
| G-400 | 9 | 1:01.20 | Bonney, Katie (2017) (Hoffman Estates, IL) | Barrington Girls Invitational(IL), 2015-04-17(#7) |
| G-400 | 10 | 1:01.40 | Rabs, Rebecca (2016) (Buffalo Grove, IL) | IL 3A Fremd Girls Sectional(IL), 2015-05-15(#5) |
| G-400 | 11 | 1:01.61 | Centeno, Maggy (2018) (Schaumburg, IL) | WWS Girls Tiger Invitational(IL), 2015-05-01(#8) |
| G-400 | 12 | 1:01.72 | Pola, Nadine (Schaumburg, IL) | IL 3A St. Charles North Girls Sectional(IL), 2015-05-15(#8) |
| G-400 | 13 | 1:01.74 | Schackelton, Valarie (2017) (Schaumburg, IL) | WWS Girls Tiger Invitational(IL), 2015-05-01(#10) |
| G-400 | 14 | 1:01.94 | Cropsey, Lauren (2015) (Barrington, IL) | Homewood-Flossmoor Girls Invitational(IL), 2015-04-11(#1) |
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| | | See more performances for G-400 | | |
