| Event | Rank | Mark | By | Meet |
| G-400 | 1 | 57.82 | Marry, Miranda (2014) (Fisher, IL) (US#85) | Arkansas HS Invitational(AR), 2014-01-18(#4) |
| | | National Elites above. State Elites below | | |
| G-400 | 2 | 1:00.15 | Pace, Andrea (2017) (Clifton Central, IL) | Illinois Top Times Championships - Class 1A(IL), 2014-03-28(#4) |
| G-400 | 3 | 1:00.45 | Helton, Charlene (2016) (Marquette, IL) | Jacksonville Small School Invitational(IL), 2014-03-08(#1) |
| G-400 | 4 | 1:00.59 | Rhodes, Rachel (2014) (Williamsville, IL) | Illinois Top Times Championships - Class 1A(IL), 2014-03-28(#5) |
| G-400 | 5 | 1:00.68 | Mundekis, Cassie (2015) (Midwest Central, IL) | Charleston HS Girls Invitational - Small Schools(IL), 2014-03-15(#1) |
| G-400 | 6 | 1:01.46 | Holland, Tessa (2015) (Fieldcrest, IL) | Sterling First Chance Meet(IL), 2014-03-15(#1) |
| G-400 | 7 | 1:02.04 | Reed, Megan (2016) (Cambridge, IL) | Illinois Top Times Championships - Class 1A(IL), 2014-03-28(#7) |
| G-400 | 8 | 1:02.25 | Bindel, Sarah (2014) (Chester, IL) | Illinois Top Times Championships - Class 1A(IL), 2014-03-28(#8) |
| G-400 | 9 | 1:03.68 | Carlson, Annie (2016) (Westmont, IL) | U-High Invitational #2(IL), 2014-03-07(#2) |
| G-400 | 10 | 1:03.86 | Harshbarger, Randa (2014) (St. Thomas More, IL) | Illinois Top Times Championships - Class 1A(IL), 2014-03-28(#10) |
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| | | See more performances for G-400 | | |
