| Event | Rank | Mark | By | Meet |
| G-400 | 1 | 53.49 | Ellis, Brittny (2015) (Warren Township, IL) (US#8) | AAU National Junior Olympics 17-18(IA), 2014-08-02(#1) |
| G-400 | 2 | 53.80 | English, Parker (2014) (Evanston Township, IL) (US#13) | IL 3A Girls State Prelims(IL), 2014-05-23(#1) |
| G-400 | 3 | 55.75 | Shead, Jordan (2014) (St. Charles East, IL) | IL 3A Girls State Prelims(IL), 2014-05-23(#4) |
| | | National Elites above. State Elites below | | |
| G-400 | 4 | 56.56 | Spagnola, Emma (2014) (West Aurora, IL) | USATF Youth Championships (YM/YW)(IN), 2014-06-29(#1) |
| G-400 | 5 | 56.94 | Carr, Simone (2014) (Glenbard North, IL) | IL 3A Girls State Prelims(IL), 2014-05-23(#5) |
| G-400 | 6 | 57.03 | Wilson, Ashleigh (2015) (Minooka Community, IL) | AAU National Junior Olympics 17-18(IA), 2014-08-02(#9) |
| G-400 | 7 | 57.04 | Smith, Christyle (2014) (Bremen, IL) | IL 2A Girls State Finals(IL), 2014-05-24(#4) |
| G-400 | 8 | 57.38 | Rayford, Tamia (2017) (West Aurora, IL) | AAU National Junior Olympics 15-16(IA), 2014-08-02(#10) |
| G-400 | 9 | 57.41 | Ignoffo, Foster (2016) (Geneva, IL) | IL 3A Girls State Finals(IL), 2014-05-24(#6) |
| G-400 | 10 | 57.43 | Frazier, Bertha (2014) (Centennial, IL) | Champaign Central Girls Invitational(IL), 2014-04-26(#2) |
| G-400 | 11 | 57.53 | Ayoola, Ololade (2017) (Lincoln-Way East, IL) | AAU National Junior Olympics 15-16(IA), 2014-08-02(#11) |
| G-400 | 12 | 57.55 | Harris, Morgan (2016) (Oswego East, IL) | AAU National Junior Olympics 17-18(IA), 2014-08-02(#14) |
| G-400 | 13 | 57.57 | Cohn, Hannah (2016) (St. Ignatius, IL) | IL 3A Girls State Prelims(IL), 2014-05-23(#6) |
| G-400 | 14 | 57.66 | Stennis, Charlyncia (2016) (Bolingbrook, IL) | IL 3A Girls State Finals(IL), 2014-05-24(#7) |
| G-400 | 15 | 57.72 | Smart, Tara (2016) (New Trier Township, IL) | USATF National Junior Olympics YM/YW(TX), 2014-07-27(#24) |
| G-400 | 15 | 57.72 | Miller, Samara (2016) (Neuqua Valley, IL) | AAU National Junior Olympics 17-18(IA), 2014-08-02(#17) |
| G-400 | 17 | 57.81 | Jones, Patrice (2014) (Hononegah, IL) | NIC-10 Girls Conference Meet(IL), 2014-05-08(#1) |
| G-400 | 18 | 57.82 | Lewis, Dominique (2015) (Centennial, IL) | IL 2A Girls State Finals(IL), 2014-05-24(#7) |
| G-400 | 19 | 58.15 | Brown, Asia (2016) (Lincoln-Way East, IL) | IL 3A Girls State Prelims(IL), 2014-05-23(#10) |
| G-400 | 20 | 58.19 | Driver, Briana (2015) (Mother McAuley, IL) | John Eakle Invitational(IL), 2014-05-03(#1) |
| G-400 | 21 | 58.33 | Weir, Kierra (2015) (Springfield, IL) | IL 2A Girls State Prelims(IL), 2014-05-23(#8) |
| G-400 | 22 | 58.41 | Coy, Addison (2017) (Barrington, IL) | IL 3A Lake Zurich Girls Sectional(IL), 2014-05-16(#2) |
| G-400 | 23 | 58.44 | Basala, Delaney (2016) (Grant Community, IL) | IL 3A Girls State Prelims(IL), 2014-05-23(#12) |
| G-400 | 24 | 58.57 | Santos, Autumn (2015) (Warren Township, IL) | AAU National Junior Olympics 17-18(IA), 2014-08-02(#28) |
| G-400 | 25 | 58.62 | Jones, Aleasha (2014) (O'Fallon, IL) | O'Fallon Girls Invitational(IL), 2014-04-18(#1) |
| G-400 | 26 | 58.67 | Davis, Imani (2016) (Lane Technical, IL) | IL 3A St. Ignatius Girls Sectional(IL), 2014-05-15(#3) |
| G-400 | 27 | 58.71 | Hackbarth, Michaela (2016) (Downers Grove South, IL) | IL 3A Downers Grove South Girls Sectional(IL), 2014-05-16(#2) |
| G-400 | 28 | 58.78 | Swanepoel, Lisa (2016) (Bradley-Bourbonnais, IL) | Manteno All-Area Invitational(IL), 2014-04-25(#1) |
| G-400 | 29 | 58.79 | Nevins, Mary (2015) (Glenbard West, IL) | WSC-Silver Conf Girls Championships(IL), 2014-05-08(#1) |
| G-400 | 30 | 58.83 | Martel, Alex (2014) (Lane Technical, IL) | Chicago Public League Championships(IL), 2014-05-10(#3) |
| G-400 | 31 | 58.88 | Mickens, Aliyah (2017) (Homewood-Flossmoor, IL) | NB Outdoor Nationals - Freshman(NC), 2014-06-14(#7) |
| G-400 | 32 | 58.90 | Giuliano, Kayla (2014) (Harry D Jacobs, IL) | IL 3A Girls State Prelims(IL), 2014-05-23(#14) |
| G-400 | 33 | 58.92 | Rogers, Janile (2014) (Minooka Community, IL) | Minooka Girls Invitational(IL), 2014-04-17(#1) |
| G-400 | 34 | 58.94 | Sullivan, Madeline (2016) (Hinsdale Central, IL) | IL 3A Girls State Prelims(IL), 2014-05-23(#15) |
| G-400 | 35 | 58.96 | Martin, Dana (Marist, IL) | Smith and Benson Relays(GA), 2014-03-22(#1) |
| G-400 | 36 | 58.97 | Burton, Taylor (2014) (Willowbrook, IL) | IL 3A Girls State Prelims(IL), 2014-05-23(#16) |
| G-400 | 37 | 59.06 | O'Grady, Dana (2014) (Lincoln-Way East, IL) | IL 3A Girls State Prelims(IL), 2014-05-23(#18) |
| G-400 | 37 | 59.06 | Broughton, Antoinette (2015) (Homewood-Flossmoor, IL) | AAU Region 13 Qualifier(IL), 2014-06-29(#5) |
| G-400 | 39 | 59.15 | Abdur-Rafia, Norma (2016) (Oak Park-River Forest, IL) | Red Devilette Invitational(IL), 2014-04-19(#1) |
| G-400 | 40 | 59.22 | Driscoll, Tina (2014) (Huntley, IL) | IL 3A DeKalb Girls Sectional(IL), 2014-05-15(#2) |
| G-400 | 41 | 59.23 | Nwoko, Chisom (2016) (Oak Park-River Forest, IL) | Red Devilette Invitational(IL), 2014-04-19(#2) |
| G-400 | 42 | 59.24 | Ruiz, Jazzmin (2014) (Bloom Township, IL) | Midwest Prep Invitational(IN), 2014-04-19(#4) |
| G-400 | 43 | 59.26 | Swaenapoel, Lisa (2016) (Bradley-Bourbonnais, IL) | Urbana Girls Invitational(IL), 2014-05-02(#1) |
| G-400 | 44 | 59.38 | Kieser, Lindsey (2015) (Normal Community West, IL) | Bloomington Honor Roll Meet(IL), 2014-05-27(#2) |
| G-400 | 45 | 59.40 | Chmelik, Elizabeth (2015) (St. Charles East, IL) | AAU Region 13 Qualifier(IL), 2014-06-29(#6) |
| G-400 | 46 | 59.51 | Welch, Kylie (2017) (Bloomington, IL) | Bloomington Honor Roll Meet(IL), 2014-05-27(#3) |
| G-400 | 47 | 59.52 | Wells, Chasz (2015) (Shepard, IL) | USATF IL JO Championships(IL), 2014-06-22(#4) |
| G-400 | 48 | 59.54 | Hall, Imani (2016) (Danville, IL) | News Gazette Honor Roll Meet(IL), 2014-05-19(#1) |
| G-400 | 49 | 59.62 | Spencer, Raissa (2016) (Libertyville, IL) | IL 3A Lake Zurich Girls Sectional(IL), 2014-05-16(#3) |
| G-400 | 50 | 59.67 | Bertram, Kathyrn (2015) (Lake Forest, IL) | IL 3A Lake Zurich Girls Sectional(IL), 2014-05-16(#4) |
| G-400 | 51 | 59.69 | Moravec, Emma (2017) (Downers Grove North, IL) | IL 3A Downers Grove South Girls Sectional(IL), 2014-05-16(#4) |
| G-400 | 51 | 59.69 | Jones, Khristian (2015) (Plainfield North, IL) | IL 3A Girls State Prelims(IL), 2014-05-23(#21) |
| G-400 | 53 | 59.73 | Urbancik, Stephanie (2014) (Downers Grove North, IL) | Bruce Ritter Invitational(IL), 2014-04-17(#2) |
| G-400 | 54 | 59.80 | Berge, Morgan (2016) (Guilford, IL) | NIC-10 Girls Conference Meet(IL), 2014-05-08(#2) |
| G-400 | 55 | 59.86 | King, D.J. (Hinsdale South, IL) | Skylands Conference Championship(NJ), 2014-05-06(#5) |
| G-400 | 56 | 59.87 | Griggs, Kierra (2016) (Bloom Township, IL) | Lockport Girls Invitational(IL), 2014-04-25(#1) |
| G-400 | 57 | 59.92 | Banuelos, Lynette (2016) (Addison Trail, IL) | WSC-Gold Conf Girls Championships(IL), 2014-05-08(#2) |
| G-400 | 58 | 59.93 | Hartman, Allison (2014) (Harlem, IL) | Harlem Girls Invitational(IL), 2014-04-26(#1) |
| G-400 | 59 | 59.96 | Chmelik, Allison (2015) (St. Charles East, IL) | Carol Koszola Invitational(IL), 2014-04-26(#2) |
| G-400 | 60 | 1:00.07 | Post, Alyssa (2014) (Waubonsie Valley, IL) | UEC Girls Conference Championships(IL), 2014-05-08(#3) |
| G-400 | 61 | 1:00.09 | Smith, Kameesha (2017) (Thornwood, IL) | USATF IL JO Championships(IL), 2014-06-22(#7) |
| G-400 | 62 | 1:00.10 | Funches, Raquel (2017) (Mother McAuley, IL) | AAU Region 13 Qualifier(IL), 2014-06-29(#4) |
| G-400 | 63 | 1:00.14 | Mcnamee, Nijia (2015) (Belleville West, IL) | Triad Lady Knight Invitational(IL), 2014-04-11(#1) |
| G-400 | 64 | 1:00.15 | Strohaker, Kathleen (2017) (St. Charles East, IL) | IL 3A Metea Valley Girls Sectional(IL), 2014-05-15(#5) |
| G-400 | 65 | 1:00.19 | Marias, Megan (2014) (Lincoln-Way East, IL) | Glenbard South Lady Raider Invitational(IL), 2014-04-17(#1) |
| G-400 | 66 | 1:00.22 | Napper, Gabrielle (Belvidere North, IL) | IL 3A DeKalb Girls Sectional(IL), 2014-05-15(#6) |
| G-400 | 67 | 60.23 | Petro, Rachel (2016) (Downers Grove South, IL) | WSC-Gold Conf Girls Championships(IL), 2014-05-08(#3) |
| G-400 | 68 | 1:00.23 | Horberg, Kenzie (2016) (Highland Park, IL) | CSL-North Girls Conf Meet(IL), 2014-05-09(#1) |
| G-400 | 69 | 1:00.25 | Thorpe, Kiera (2015) (Highland Park, IL) | CSL-North Girls Conf Meet(IL), 2014-05-09(#2) |
| G-400 | 70 | 1:00.29 | Finegan, Nora (2016) (Fremd, IL) | MSL-West Division Girls Championships(IL), 2014-04-29(#2) |
| G-400 | 71 | 1:00.37 | Richardson, Raytoria (2014) (Joliet Central, IL) | IL 3A Minooka Girls Sectional(IL), 2014-05-15(#3) |
| G-400 | 72 | 1:00.38 | Iginla, Basirat (2015) (Palatine, IL) | Palatine Relays(IL), 2014-05-03(#1) |
| G-400 | 72 | 1:00.38 | Mussallem, Hannah (2015) (Amos Alonzo Stagg, IL) | IL 3A Downers Grove South Girls Sectional(IL), 2014-05-16(#5) |
| G-400 | 74 | 1:00.50 | Letz, Renee (2015) (Carl Sandburg, IL) | IL 3A Downers Grove South Girls Sectional(IL), 2014-05-16(#6) |
| G-400 | 75 | 1:00.53 | Dodd, Adina (2014) (Proviso West, IL) | IL 3A Lyons Township Girls Sectional(IL), 2014-05-16(#1) |
| G-400 | 76 | 1:00.60 | Mccloughan, Janie (2015) (Geneva, IL) | Mike Van Deever Invitational(IL), 2014-04-19(#2) |
| G-400 | 76 | 1:00.60 | Thomas, Brittany (2014) (Bloom Township, IL) | USATF IL JO Championships(IL), 2014-06-22(#7) |
| G-400 | 78 | 1:00.67 | Kelly, Sarah (2014) (Loyola Academy, IL) | GCAC Championships(IL), 2014-05-10(#3) |
| G-400 | 79 | 60.76 | Hoel, Kailey (2016) (Hinsdale South, IL) | WSC-Gold Conf Girls Championships(IL), 2014-05-08(#4) |
| G-400 | 80 | 1:00.80 | Smith, Loucreasha (2014) (Crete-Monee, IL) | SAC Girls Conference Meet(IL), 2014-05-07(#3) |
| G-400 | 81 | 1:00.88 | Sirvinskas, Julia (2016) (Maine South, IL) | CSL-South Girls Conf Meet(IL), 2014-05-08(#3) |
| G-400 | 82 | 1:00.91 | Althoff, Nicky (2016) (Hononegah, IL) | NIC-10 Girls Conference Meet(IL), 2014-05-08(#5) |
| G-400 | 83 | 1:00.92 | Smyles, Jasmine (2016) (Prosser Career Academy, IL) | Chicago Public League Championships(IL), 2014-05-10(#5) |
| G-400 | 84 | 1:01.00 | Divis, Mariah (2014) (Minooka Community, IL) | IL 3A Minooka Girls Sectional(IL), 2014-05-15(#5) |
| G-400 | 85 | 1:01.01 | Taylor, Kearra (2016) (Evanston Township, IL) | IL 3A Niles West Girls Sectional(IL), 2014-05-15(#3) |
| G-400 | 86 | 1:01.02 | Nozime, Dana (2015) (Grant Community, IL) | IL 3A DeKalb Girls Sectional(IL), 2014-05-15(#7) |
| G-400 | 87 | 1:01.04 | Delaurentis, Rianna (2017) (Barrington, IL) | Barrington Girls Invitational(IL), 2014-04-17(#1) |
| G-400 | 88 | 1:01.10 | Simo, Emily (2014) (York Community, IL) | Homewood-Flossmoor Girls Invitational(IL), 2014-04-12(#3) |
| G-400 | 89 | 1:01.11 | Freeman, Achante (2017) (Plainfield Central, IL) | Southwest Prairie Conference Girls Me(IL), 2014-05-08(#2) |
| G-400 | 90 | 1:01.16 | Rudnick, Faith (2014) (Lincoln-Way Central, IL) | Minooka Girls Invitational(IL), 2014-04-17(#3) |
| G-400 | 90 | 1:01.16 | Kelley, Sarah (2014) (Loyola Academy, IL) | Glenbrook South Girls Invitational(IL), 2014-04-25(#1) |
| G-400 | 90 | 1:01.16 | Fuller, Jessica (2014) (Lyons Township, IL) | WSC-Silver Conf Girls Championships(IL), 2014-05-08(#6) |
| G-400 | 93 | 1:01.20 | Adams, Corrin (2014) (St. Charles East, IL) | Gus Scott Co-Ed Invitational(IL), 2014-04-17(#2) |
| G-400 | 94 | 1:01.22 | Blackmon, Dasia (2014) (Thornton Fractional North, IL) | John Eakle Invitational(IL), 2014-05-03(#3) |
| G-400 | 95 | 1:01.27 | Hamor, Katie (2015) (Lyons Township, IL) | IL 3A Lyons Township Girls Sectional(IL), 2014-05-16(#2) |
| G-400 | 96 | 1:01.28 | Wallace, Kyndall (2016) (Lincoln-Way East, IL) | USATF IL JO Championships(IL), 2014-06-22(#10) |
| G-400 | 97 | 1:01.32 | Hoover, Mariah (2016) (Rock Island, IL) | Homewood-Flossmoor Girls Invitational(IL), 2014-04-12(#4) |
| G-400 | 97 | 1:01.32 | Hughes, Brion (2016) (Waubonsie Valley, IL) | AAU Central District Championships(IL), 2014-06-15(#3) |
| G-400 | 99 | 1:01.37 | Pettgrew, Abriana (2015) (Auburn, IL) | IL 3A DeKalb Girls Sectional(IL), 2014-05-15(#8) |
| G-400 | 100 | 1:01.39 | Eccher, Athena (2014) (O'Fallon, IL) | St. Clair County Girls Championships(IL), 2014-04-30(#2) |
| G-400 | 101 | 1:01.48 | Boudreau, Alaina (2014) (Bradley-Bourbonnais, IL) | Urbana Girls Invitational(IL), 2014-05-02(#3) |
| G-400 | 102 | 1:01.50 | Schwartz, Caily (2015) (York Community, IL) | Homewood-Flossmoor Girls Invitational(IL), 2014-04-12(#5) |
| G-400 | 103 | 1:01.52 | Gowgiel, Madeline (2015) (Carl Sandburg, IL) | IL 3A Downers Grove South Girls Sectional(IL), 2014-05-16(#8) |
| G-400 | 104 | 1:01.53 | Sunkett, Taylor (2014) (Belleville East, IL) | IL 3A Rock Island Girls Sectional(IL), 2014-05-16(#3) |
| G-400 | 105 | 1:01.61 | Winters, Aaliyah (2015) (Streamwood, IL) | IL 3A Metea Valley Girls Sectional(IL), 2014-05-15(#6) |
| G-400 | 106 | 1:01.64 | Dussard, Shayan (2014) (Hoffman Estates, IL) | MSL-West Division Girls Championships(IL), 2014-04-29(#3) |
| G-400 | 107 | 1:01.66 | Wahrman, Allison (2016) (Glenbard North, IL) | DuPage Valley Conf Girls Meet(IL), 2014-05-08(#3) |
| G-400 | 107 | 1:01.66 | Tauke, Kirsten (2014) (Rock Island, IL) | IL 3A Rock Island Girls Sectional(IL), 2014-05-16(#4) |
| G-400 | 109 | 1:01.75 | Cropsey, Lauren (2015) (Barrington, IL) | Palatine Relays(IL), 2014-05-03(#2) |
| G-400 | 110 | 1:01.76 | Isom, Kayla (2017) (Lockport Township , IL) | IL 3A Downers Grove South Girls Sectional(IL), 2014-05-16(#1) |
| G-400 | 111 | 1:01.78 | Reese, Taliah (2017) (O'Fallon, IL) | Collinsville Girls Invitational(IL), 2014-05-02(#1) |
| G-400 | 112 | 1:01.81 | Wilson, Chelsee (2014) (Grayslake North, IL) | Ram Girls Invitational(IL), 2014-04-17(#2) |
| G-400 | 113 | 1:01.83 | Lockwood, Anna (2015) (Prairie Ridge, IL) | IL 3A DeKalb Girls Sectional(IL), 2014-05-15(#9) |
| G-400 | 114 | 1:01.86 | Taylor, Leah (2017) (Normal University, IL) | Corn Belt Conference Meet(IL), 2014-05-09(#2) |
| G-400 | 115 | 1:01.87 | Scott, Jazmann (2014) (Zion-Benton Twnshp, IL) | IL 3A Lake Zurich Girls Sectional(IL), 2014-05-16(#6) |
| G-400 | 116 | 1:01.90 | Moore, Tatiana (2016) (Waubonsie Valley, IL) | Metea Valley Girls Invitational(IL), 2014-04-12(#2) |
| G-400 | 117 | 1:01.92 | Snyder, Sydney (2017) (Moline, IL) | Western Big 6 Girls Conf Meet(IL), 2014-05-09(#2) |
| G-400 | 118 | 1:01.93 | Guppy, Ella (2016) (Naperville North, IL) | DuPage Valley Conf Girls Meet(IL), 2014-05-08(#4) |
| G-400 | 119 | 1:01.99 | Mitchell, Kymyenna (2015) (East St. Louis-Senior, IL) | IL 3A Rock Island Girls Sectional(IL), 2014-05-16(#6) |
| G-400 | 120 | 1:02.00 | Ecker, Gracie (2017) (Normal Community West, IL) | IL 3A Rock Island Girls Sectional(IL), 2014-05-16(#7) |
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