| Event | Rank | Mark | By | Meet |
| G-400 | 1 | 55.86 | Griggs, Kierra (2016) (Bloom Township, IL) | IL 3A Girls State Finals(IL), 2015-05-23(#3) |
| | | National Elites above. State Elites below | | |
| G-400 | 2 | 56.93 | Jones, Amber (2016) (Rich South, IL) | USATF Youth National Championships 17-18(IL), 2015-07-05(#2) |
| G-400 | 3 | 1:00.57 | Ramirez, Sullibet (2015) (Bloom Township, IL) | Lockport Girls Invitational(IL), 2015-04-24(#7) |
| G-400 | 4 | 1:01.01 | Woods, Garesia (2017) (Bloom Township, IL) | AAU JO Region 13 Qualifier(IL), 2015-07-05(#5) |
| G-400 | 5 | 1:01.06 | Simmons, Amari (Rich East , IL) | AAU Central District Qualifier(IL), 2015-06-14(#8) |
| G-400 | 6 | 1:01.09 | Jackson, Trenice (2015) (Rich East , IL) | Paul Wallace Classic (IL), 2015-01-01(#12) |
| G-400 | 7 | 1:01.13 | Hollie, Brittany (2017) (Rich South, IL) | USATF Youth National Championships 15-16(IL), 2015-07-05(#9) |
| G-400 | 8 | 1:01.14 | Lee, India (2016) (Rich South, IL) | Oswego East Girls Invitational(IL), 2015-04-18(#7) |
| G-400 | 9 | 1:01.23 | Johnson, Deandra (Crete-Monee, IL) | IL 3A Homewood-Flossmoor Girls Sectional(IL), 2015-05-14(#5) |
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| | | See more performances for G-400 | | |
