| Event | Rank | Mark | By | Meet |
| G-800 | 1 | 2:12.22 | O'Brien, Kelly (2016) (Palatine, IL) | Palatine Relays(IL), 2015-05-02(#1) |
| | | National Elites above. State Elites below | | |
| G-800 | 2 | 2:17.05 | Stegmeier, Emily (2017) (Elk Grove, IL) | IL 3A Girls State Prelims(IL), 2015-05-22(#15) |
| G-800 | 3 | 2:17.40 | Finegan, Nora (2016) (Fremd, IL) | Buffalo Grove Girls Invitational(IL), 2015-04-11(#2) |
| G-800 | 4 | 2:18.43 | Gutt, Ali (2015) (Schaumburg, IL) | IL 3A Girls State Prelims(IL), 2015-05-22(#19) |
| G-800 | 5 | 2:19.04 | Lakomski, Natalia (2016) (Conant, IL) | IL 3A Glenbard North Girls Sectional(IL), 2015-05-14(#3) |
| G-800 | 6 | 2:19.15 | Falsey, Erin (2015) (Schaumburg, IL) | Mid Suburban League Girls Championships(IL), 2015-05-08(#2) |
| G-800 | 7 | 2:19.17 | Aguirre, Alondra (2015) (Hoffman Estates, IL) | Metea Valley Girls Invitational(IL), 2015-04-11(#2) |
| G-800 | 8 | 2:19.29 | Wilson, Brooke (2017) (Prospect, IL) | Conant Girls Twilight Invitational(IL), 2015-05-01(#3) |
| G-800 | 9 | 2:20.30 | Dammeier, Hailey (2015) (Wheeling, IL) | MSL-East Girls Divisional Championship(IL), 2015-04-28(#1) |
| G-800 | 10 | 2:20.40 | Burton, Kara (2015) (Palatine, IL) | MSL-West Girls Divisional Championship(IL), 2015-04-28(#3) |
| G-800 | 11 | 2:20.50 | Mala, Aurora (2015) (Wheeling, IL) | Mid Suburban League Girls Championships(IL), 2015-05-08(#3) |
| G-800 | 12 | 2:20.74 | Marasco, Madison (2018) (Schaumburg, IL) | USATF IL Assc JO Championships(IL), 2015-06-28(#3) |
| G-800 | 13 | 2:21.24 | Bergren, Stephanie (2015) (Barrington, IL) | MSL-West Girls Divisional Championship(IL), 2015-04-28(#4) |
| G-800 | 14 | 2:21.70 | Biddle, Meagan (2016) (Hoffman Estates, IL) | Palatine Girls Invitational(IL), 2015-04-25(#1) |
| G-800 | 15 | 2:21.89 | Sanchez, Gabby (2016) (Rolling Meadows, IL) | Mid Suburban League Girls Championships(IL), 2015-05-08(#4) |
| G-800 | 16 | 2:22.10 | Ko, Kaitlyn (2016) (Buffalo Grove, IL) | Buffalo Grove Girls Invitational(IL), 2015-04-11(#3) |
| G-800 | 17 | 2:22.23 | Getschman, Hannah (2015) (Prospect, IL) | IL 3A Glenbard North Girls Sectional(IL), 2015-05-14(#5) |
| G-800 | 18 | 2:22.75 | Fugiel, Michelle (2016) (John Hersey, IL) | Mid Suburban League Girls Championships(IL), 2015-05-08(#5) |
| G-800 | 19 | 2:23.21 | Buckstaff, Anna (2017) (Palatine, IL) | Mid Suburban League Girls Championships(IL), 2015-05-08(#6) |
| G-800 | 20 | 2:23.36 | Kubinski, Lauren (2018) (Schaumburg, IL) | WWS Girls Tiger Invitational(IL), 2015-05-01(#9) |
| G-800 | 21 | 2:23.86 | Cropsey, Lauren (2015) (Barrington, IL) | MSL-West Girls Divisional Championship(IL), 2015-04-28(#5) |
| G-800 | 22 | 2:24.50 | Lechowicz, Sam (2016) (Palatine, IL) | Palatine Girls Triangular(IL), 2015-04-14(#2) |
| G-800 | 23 | 2:24.51 | Long, Jocelyn (2018) (Barrington, IL) | Homewood-Flossmoor Girls Invitational(IL), 2015-04-11(#1) |
| G-800 | 24 | 2:24.83 | Yosif, Sabina (2016) (Palatine, IL) | Bruce Ritter Invitational(IL), 2015-04-17(#10) |
| G-800 | 25 | 2:24.95 | Prabhu, Reena (2016) (Hoffman Estates, IL) | Conant Girls Twilight Invitational(IL), 2015-05-01(#1) |
| G-800 | 26 | 2:25.15 | Ciardiello, Lauren (2017) (Fremd, IL) | Rock Island Girls ABC Invitational(IL), 2015-04-18(#2) |
| G-800 | 27 | 2:25.56 | Stankiewicz, Izzeh (2017) (Palatine, IL) | IL 3A Fremd Girls Sectional(IL), 2015-05-15(#9) |
| G-800 | 28 | 2:25.98 | Marasigan, Michelle (2015) (Conant, IL) | Conant Girls Twilight Invitational(IL), 2015-05-01(#2) |
| G-800 | 29 | 2:26.26 | Nunez, Yazmin (2015) (Hoffman Estates, IL) | Conant Girls Twilight Invitational(IL), 2015-05-01(#5) |
| G-800 | 30 | 2:26.48 | Oehler-O'Sullivan, Claire (2018) (Fremd, IL) | IL 3A Fremd Girls Sectional(IL), 2015-05-15(#11) |
| G-800 | 31 | 2:27.00 | Schackelton, Valarie (2017) (Schaumburg, IL) | Willowbrook Girls Invitational(IL), 2015-04-11(#1) |
| G-800 | 32 | 2:27.06 | Caffe, Lauren (2018) (Barrington, IL) | IL 3A Fremd Girls Sectional(IL), 2015-05-15(#12) |
| G-800 | 33 | 2:27.26 | Ratusz, Alanna (2017) (John Hersey, IL) | Mid Suburban League Girls Championships(IL), 2015-05-08(#12) |
| G-800 | 34 | 2:27.58 | Prahbu, Reena (2016) (Hoffman Estates, IL) | Barrington Girls Invitational(IL), 2015-04-17(#5) |
| G-800 | 35 | 2:27.89 | Vaccaro, Racheal (2018) (Schaumburg, IL) | WWS Girls Tiger Invitational(IL), 2015-05-01(#21) |
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