| Event | Rank | Mark | By | Meet |
| G-300H | 1 | 43.92 | Hill, Katelyn (2014) (Glenbard South, IL) | IL 2A Girls State Finals(IL), 2014-05-24(#2) |
| G-300H | 2 | 43.93 | Cronin, Grace (2016) (Fenwick, IL) | IL 2A Girls State Finals(IL), 2014-05-24(#3) |
| G-300H | 3 | 43.99 | Buss, Tyra (2014) (Mt. Carmel, IL) | IL 2A Girls State Finals(IL), 2014-05-24(#4) |
| | | National Elites above. State Elites below | | |
| G-300H | 4 | 45.89 | Smith, Taylor (2015) (Mattoon, IL) | Mattoon Girls Invitational(IL), 2014-04-22(#1) |
| G-300H | 5 | 45.92 | Nelson, Amanda (2014) (Rochester, IL) | Jokisch-Gardonne Invitational(IL), 2014-05-03(#1) |
| G-300H | 6 | 46.21 | Phillips, Sariaya (2014) (Brooks College Prep Academy, IL) | IL 2A Girls State Finals(IL), 2014-05-24(#5) |
| G-300H | 7 | 46.28 | Widder, Haley (2015) (Washington Comm, IL) | IL 2A Girls State Finals(IL), 2014-05-24(#6) |
| G-300H | 8 | 46.35 | Salzbrunn, Gianna (2016) (Montini Catholic, IL) | IL 2A Girls State Finals(IL), 2014-05-24(#7) |
| G-300H | 9 | 46.37 | Groom, Tatayana (2014) (Thornridge, IL) | IL 2A Girls State Prelims(IL), 2014-05-23(#5) |
| G-300H | 10 | 46.61 | Hopkins, Emma (2016) (Sacred Heart-Griffin, IL) | Glenwood Titan Co-Ed Invitational(IL), 2014-04-25(#1) |
| G-300H | 11 | 46.88 | Buford, Takyra (2017) (Cahokia, IL) | Lutheran South Invitational(MO), 2014-05-10(#1) |
| G-300H | 12 | 46.91 | Castillo, Jasmine (2016) (Burlington Central, IL) | IL 2A Freeport Girls Sectional(IL), 2014-05-16(#1) |
| G-300H | 13 | 46.96 | Henry, Lunden (2016) (Springfield Southeast, IL) | Central State Eight Girls Conference Meet(IL), 2014-05-08(#1) |
| G-300H | 14 | 47.37 | Trost, Megan (2014) (Civic Memorial, IL) | Mississippi Valley Conf Girls Championships(IL), 2014-05-08(#1) |
| G-300H | 15 | 47.40 | Hocking, Elsie (2015) (Mahomet-Seymour, IL) | IL 2A Mattoon Girls Sectional(IL), 2014-05-15(#3) |
| G-300H | 16 | 47.50 | Edwards, Ninaa (2014) (Rich South, IL) | Oswego East Girls Invitational(IL), 2014-04-19(#1) |
| G-300H | 16 | 47.50 | Tira, Ashleigh (2016) (Sterling, IL) | IL 2A Freeport Girls Sectional(IL), 2014-05-16(#2) |
| G-300H | 18 | 47.55 | Hammer, Abby (2014) (Rosary, IL) | SCC Girls Championships(IL), 2014-05-07(#2) |
| G-300H | 19 | 47.68 | Lukens, Erin (2015) (Herrin, IL) | IL 2A Herrin Girls Sectional(IL), 2014-05-15(#2) |
| G-300H | 20 | 47.73 | Pagan, Elizabeth (2016) (Hampshire, IL) | IL 2A Girls State Prelims(IL), 2014-05-23(#13) |
| G-300H | 21 | 47.84 | Weinrich, Bryce (2015) (Burlington Central, IL) | Big Northern Girls Conf Meet(IL), 2014-05-08(#2) |
| G-300H | 22 | 47.97 | Sledge, Peyton (2014) (Charleston, IL) | Mattoon Girls Invitational(IL), 2014-04-22(#2) |
| G-300H | 23 | 48.03 | Caldwell, Claire (2016) (Monticello, IL) | IL 2A Mattoon Girls Sectional(IL), 2014-05-15(#4) |
| G-300H | 24 | 48.22 | Beattie, Grace (2016) (Woodstock, IL) | IL 2A Woodstock Girls Sectional(IL), 2014-05-15(#2) |
| G-300H | 24 | 48.22 | Graff, Caitlyn (2016) (Hampshire, IL) | Fox Valley Conf Girls Championships(IL), 2014-05-08(#6) |
| G-300H | 26 | 48.23 | Robinson, Sarah (2017) (LaSalle-Peru, IL) | PJS Honor Roll Meet(IL), 2014-05-27(#4) |
| G-300H | 27 | 48.27 | Lewis, Raynesha (2016) (Cahokia, IL) | Centralia Annies Invitational(IL), 2014-04-11(#2) |
| G-300H | 28 | 48.29 | Witzke, Morgan (Clinton, IL) | Okaw Valley Girls Conf Meet(IL), 2014-05-09(#2) |
| G-300H | 29 | 48.33 | Getz, Leah (2017) (Morton, IL) | PJS Honor Roll Meet(IL), 2014-05-27(#6) |
| G-300H | 30 | 48.36 | Wiegand, Micaela (2016) (Eureka, IL) | PJS Honor Roll Meet(IL), 2014-05-27(#7) |
| G-300H | 31 | 48.44 | Smith, Taylor (2015) (Rockford Christian, IL) | Rockford Christian Invitational(IL), 2014-04-26(#1) |
| G-300H | 32 | 48.46 | Steppe, Jaclynn (2014) (Effingham, IL) | Newton Girls Invitational(IL), 2014-05-05(#3) |
| G-300H | 33 | 48.52 | Wall, Malone (2014) (Waterloo, IL) | IL 2A Herrin Girls Sectional(IL), 2014-05-15(#3) |
| G-300H | 34 | 48.53 | Bouie, Khydeshia (2015) (North Lawndale Charter, IL) | Chicago Public League Championships(IL), 2014-05-10(#3) |
| G-300H | 35 | 48.66 | Riedy, Loren (2014) (Benet Academy, IL) | Weber Invitational(IL), 2014-05-02(#1) |
| G-300H | 35 | 48.66 | Ness, Emily (2016) (Sandwich Community, IL) | Interstate 8 Conference Meet(IL), 2014-05-08(#2) |
| G-300H | 37 | 48.67 | Wise, Anna (2015) (Geneseo, IL) | Rock Island Girls ABC Invitational(IL), 2014-04-19(#3) |
| G-300H | 38 | 48.80 | Walker, Taylor (2014) (Marian Catholic, IL) | East Suburban Catholic League Girls Meet(IL), 2014-05-07(#2) |
| G-300H | 39 | 48.83 | Ward, Whitney (2016) (Brooks College Prep Academy, IL) | Larry Roland Girls Invitational(IL), 2014-04-08(#1) |
| G-300H | 40 | 48.89 | Bakarich, Tyler (2014) (Triad, IL) | Mississippi Valley Conf Girls Championships(IL), 2014-05-08(#2) |
| G-300H | 41 | 48.91 | Evans, Isreal (2015) (Peoria, IL) | IL 2A Macomb Girls Sectional(IL), 2014-05-15(#4) |
| G-300H | 42 | 49.16 | Cladwell, Claire (2016) (Monticello, IL) | Shelbyville Girls Open(IL), 2014-04-11(#2) |
| G-300H | 43 | 49.20 | Kramer, Brianna (2014) (Genoa-Kingston, IL) | IL 2A Freeport Girls Sectional(IL), 2014-05-16(#4) |
| G-300H | 44 | 49.29 | Jones, Emma (2015) (Benet Academy, IL) | IL 3A Downers Grove South Girls Sectional(IL), 2014-05-16(#1) |
| G-300H | 45 | 49.44 | Bowman, Mollie (2014) (Sullivan, IL) | Redskin Invitational(IL), 2014-05-06(#2) |
| G-300H | 46 | 49.59 | Day, Madi (2016) (Morton, IL) | Mid Illini Girls Conference Meet(IL), 2014-05-08(#4) |
| G-300H | 47 | 49.63 | Arana, Marisela (2014) (Freeport, IL) | NIC-10 Girls Conference Meet(IL), 2014-05-08(#3) |
| G-300H | 48 | 49.69 | Ellis, Ceaira (2017) (Freeport, IL) | IL 2A Freeport Girls Sectional(IL), 2014-05-16(#5) |
| G-300H | 49 | 49.84 | Marrs, Alyssa (Reed-Custer, IL) | IL 1A Seneca Girls Sectional(IL), 2014-05-16(#3) |
| G-300H | 50 | 49.91 | Edwards, Lilia (2015) (Sycamore, IL) | IL 2A Freeport Girls Sectional(IL), 2014-05-16(#6) |
| G-300H | 51 | 49.97 | Mccain, Lauren (2015) (Mattoon, IL) | Mattoon Girls Invitational(IL), 2014-04-22(#5) |
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