| Event | Rank | Mark | By | Meet |
| | | National Elites above. State Elites below | | |
| G-400 | 1 | 56.50 | Strong, Anna (2013) (Walther Christian, IL) | IL 2A Girls State Prelims(IL), 2013-05-17(#2) |
| G-400 | 2 | 56.60 | Wright, Rayanne (2013) (Clifton Central, IL) | IL 1A Girls State Finals(IL), 2013-05-18(#1) |
| G-400 | 3 | 57.51 | Marry, Miranda (2014) (Fisher, IL) | USATF National Junior Olympics - YM/YW(NC), 2013-07-24(#29) |
| G-400 | 4 | 58.02 | Strong, Arra (2013) (Walther Christian, IL) | IL 2A Girls State Prelims(IL), 2013-05-17(#9) |
| G-400 | 5 | 58.20 | Fairman, Sophie (2013) (Staunton, IL) | IL 1A Girls State Finals(IL), 2013-05-18(#3) |
| G-400 | 6 | 58.35 | Jump, Jessica (2013) (Metro-East Lutheran, IL) | IL 1A Girls State Prelims(IL), 2013-05-16(#3) |
| G-400 | 7 | 58.42 | Rhea, Katelyn (2014) (Camp Point Central, IL) | IL 1A Girls State Finals(IL), 2013-05-18(#4) |
| G-400 | 8 | 58.66 | Rhodes, Rachel (2014) (Williamsville, IL) | IL 1A Girls State Prelims(IL), 2013-05-16(#4) |
| G-400 | 9 | 58.85 | Holland, Tessa (2015) (Fieldcrest, IL) | IL 1A Girls State Prelims(IL), 2013-05-16(#7) |
| G-400 | 10 | 59.11 | Keith, Sophie (2016) (Pinckneyville Comm, IL) | IL 1A Girls State Finals(IL), 2013-05-18(#7) |
| G-400 | 11 | 1:00.17 | Plotner, Toria (2013) (Jamaica, IL) | Tuscola Open(IL), 2013-04-22(#2) |
| G-400 | 12 | 1:00.33 | Monier, Courtney (2016) (Leroy, IL) | News-Gazette Honor Roll Meet(IL), 2013-05-13(#1) |
| G-400 | 13 | 1:00.45 | Zimmer, Maddison (2013) (Delavan, IL) | IL 1A Girls State Prelims(IL), 2013-05-16(#11) |
| G-400 | 14 | 1:00.53 | Stuedemann, Willow (2016) (Seneca, IL) | IL 1A Girls State Prelims(IL), 2013-05-16(#13) |
| G-400 | 15 | 1:00.85 | Reed, Megan (2016) (Cambridge, IL) | IL 1A Girls State Prelims(IL), 2013-05-16(#14) |
| G-400 | 16 | 1:00.91 | Adams, Mykel (2013) (Seton Academy, IL) | IL 1A Girls State Prelims(IL), 2013-05-16(#15) |
| G-400 | 17 | 1:00.96 | Jokisch, Katie (2016) (Wesclin, IL) | IL 1A Girls State Prelims(IL), 2013-05-16(#16) |
| G-400 | 18 | 1:00.97 | Race, Ashley (2013) (Pleasant Plains, IL) | IL 1A Girls State Prelims(IL), 2013-05-16(#17) |
| G-400 | 19 | 1:01.05 | Helton, Charlene (2016) (Marquette, IL) | Rochester Co-Ed Invitational(IL), 2013-04-20(#2) |
| G-400 | 20 | 1:01.07 | Jackson, Challen (2016) (Byron, IL) | IL 1A Girls State Prelims(IL), 2013-05-16(#19) |
| G-400 | 21 | 1:01.18 | Weichman, Megan (2015) (Teutopolis, IL) | IL 1A Girls State Prelims(IL), 2013-05-16(#20) |
| G-400 | 22 | 1:01.22 | Bristow, Elizabeth (2015) (St. Thomas More, IL) | IL 1A Girls State Prelims(IL), 2013-05-16(#21) |
| G-400 | 23 | 1:01.24 | Johnson, Ellie (2013) (North Macoupin, IL) | Sangamo Conference Co-Ed(IL), 2013-04-30(#3) |
| G-400 | 24 | 1:01.78 | Beard, Tegan (2014) (Cumberland, IL) | IL 1A Newton Girls Sectional(IL), 2013-05-10(#2) |
| G-400 | 25 | 1:01.88 | Mifflin, Brandy (2013) (Christopher, IL) | IL 1A Girls State Prelims(IL), 2013-05-16(#24) |
| G-400 | 26 | 1:01.97 | Kereta, Amanda (2015) (Henry-Senachwine, IL) | PJS Honor Roll Meet(IL), 2013-05-22(#5) |
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| | | See more performances for G-400 | | |
