| Event | Rank | Mark | By | Meet |
| G-SP | 261 | 33-07.00 | Davis, Brittany (2015) (Oswego East, IL) | Neuqua Valley Girls Invitational(IL), 2015-04-24(#7) |
| G-SP | 261 | 33-07.00 | Johnson, Tai (Glenbard South, IL) | Metro Suburban West Girls Conference Meet(IL), 2015-05-09(#1) |
| G-SP | 261 | 33-07.00 | Wiley, Mykayla (Thornton Fractional South, IL) | IL 3A Homewood-Flossmoor Girls Sectional(IL), 2015-05-14(#10) |
| G-SP | 261 | 33-07.00 | West, Delia (2015) (St. Ignatius, IL) | IL 3A St. Ignatius Girls Sectional(IL), 2015-05-14(#4) |
| G-SP | 265 | 33-06.75 | Bray, Mackenzie (2018) (Glenwood, IL) | Glenwood Co-Ed Titan Invitational(IL), 2015-04-24(#1) |
| G-SP | 266 | 33-06.50 | Kennedy, Jenna (2016) (Freeburg Community, IL) | O'Fallon Girls Invitational(IL), 2015-04-17(#9) |
| G-SP | 267 | 33-06.25 | Stegbauer, Sarah (2018) (Dixon, IL) | Sterling Night Relays(IL), 2015-05-01(#3) |
| G-SP | 268 | 33-06.00 | Healy, Samantha (2017) (Batavia, IL) | Kane County Girls Championships(IL), 2015-04-30(#3) |
| G-SP | 268 | 33-06.00 | Gastel, Sophie (2017) (Boylan Catholic, IL) | IL 2A Galena Girls Sectional(IL), 2015-05-15(#9) |
| G-SP | 268 | 33-06.00 | Fischer, Carly (2016) (Genoa-Kingston, IL) | IL 2A Galena Girls Sectional(IL), 2015-05-15(#8) |
| G-SP | 268 | 33-06.00 | Pineau, Hannah (2015) (Anna-Jonesboro, IL) | IL 1A Fairfield Girls Sectional(IL), 2015-05-15(#4) |
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