| Event | Rank | Mark | By | Meet |
| G-400 | 1 | 53.92 | Desrosiers, Briyanna (2014) (North Lawndale Charter, IL) (US#16) | IL 3A Girls State Finals(IL), 2014-05-24(#2) |
| G-400 | 2 | 55.46 | Hudson, Mariya (2017) (Cahokia, IL) (US#100) | Corey Siebert Invitational(MO), 2014-04-19(#1) |
| G-400 | 3 | 56.18 | Duncan, Lexy (2014) (Dixon, IL) | IL 2A Girls State Finals(IL), 2014-05-24(#2) |
| G-400 | 4 | 56.19 | Mcclain, Amanda (2015) (Sullivan, IL) | IL 1A Girls State Finals(IL), 2014-05-24(#1) |
| | | National Elites above. State Elites below | | |
| G-400 | 5 | 56.34 | Sreenan, Nicole (2017) (Kaneland , IL) | IL 2A Girls State Finals(IL), 2014-05-24(#3) |
| G-400 | 6 | 56.60 | Ferguson, Kelsey (2014) (Morgan Park, IL) | IL 2A Girls State Prelims(IL), 2014-05-23(#4) |
| G-400 | 7 | 57.38 | Evans, Dasia (2016) (Rich South, IL) | IL 2A Girls State Finals(IL), 2014-05-24(#6) |
| G-400 | 8 | 57.50 | Meyer, Madison (2016) (Carterville, IL) | IL 1A Girls State Finals(IL), 2014-05-24(#3) |
| G-400 | 9 | 57.55 | Mead, Zoe (2014) (Princeton, IL) | PJS Honor Roll Meet(IL), 2014-05-27(#1) |
| G-400 | 10 | 57.78 | Grieves, Alexis (2016) (Metamora, IL) | PJS Honor Roll Meet(IL), 2014-05-27(#2) |
| G-400 | 11 | 58.30 | Urycki, Gillian (2016) (Metamora, IL) | Mid Illini Girls Conference Meet(IL), 2014-05-08(#1) |
| G-400 | 12 | 58.36 | Liz, Karina (2016) (Aurora Central Catholic, IL) | SCC Girls Championships(IL), 2014-05-07(#1) |
| G-400 | 13 | 58.74 | Minor-Clark, NiaPearl (2014) (De La Salle Institute, IL) | IL 2A De La Salle Girls Sectional(IL), 2014-05-16(#1) |
| G-400 | 14 | 58.83 | Eason, Tyjuana (2015) (Kankakee, IL) | USATF IL JO Championships(IL), 2014-06-22(#2) |
| G-400 | 15 | 58.99 | Mainor, Sharon (2016) (Champaign Central, IL) | USATF Region 7 Junior Olympics(IN), 2014-07-13(#2) |
| G-400 | 16 | 59.13 | Golliday, Charde (2016) (Mount Vernon, IL) | IL 2A Girls State Prelims(IL), 2014-05-23(#9) |
| G-400 | 17 | 59.15 | Collins, Lakonka (2014) (Freeport, IL) | IL 2A Freeport Girls Sectional(IL), 2014-05-16(#3) |
| G-400 | 18 | 59.25 | Griffiths, Emma (2015) (Providence Catholic, IL) | IL 2A Girls State Prelims(IL), 2014-05-23(#11) |
| G-400 | 19 | 59.31 | Henry, Alexis (2016) (Springfield Southeast, IL) | Central State Eight Girls Conference Meet(IL), 2014-05-08(#2) |
| G-400 | 20 | 59.37 | Omoike, Edoise (2017) (Lisle, IL) | IL 1A Girls State Finals(IL), 2014-05-24(#6) |
| G-400 | 21 | 59.47 | Ward, Whitney (2016) (Brooks College Prep Academy, IL) | USATF IL JO Championships(IL), 2014-06-22(#3) |
| G-400 | 22 | 59.71 | Stricker, Sophie (2016) (Harvard, IL) | IL 2A Girls State Prelims(IL), 2014-05-23(#13) |
| G-400 | 23 | 59.73 | Ricca, Cece (2016) (Notre Dame, IL) | IL 2A Macomb Girls Sectional(IL), 2014-05-15(#1) |
| G-400 | 24 | 59.85 | Hubert, Shaneequa (2016) (Kankakee, IL) | Bloomington Lady Raider Invitational(IL), 2014-04-18(#1) |
| G-400 | 25 | 59.98 | Cobert, Rachel (2016) (Erie-Prophetstown, IL) | Three Rivers Girls Conf Meet(IL), 2014-05-09(#2) |
| G-400 | 26 | 1:00.05 | Niemeier, Hannah (2014) (Civic Memorial, IL) | Mississippi Valley Conf Girls Championships(IL), 2014-05-08(#1) |
| G-400 | 27 | 1:00.09 | Mehta, Twinkle (2015) (Mahomet-Seymour, IL) | IL 2A Girls State Prelims(IL), 2014-05-23(#17) |
| G-400 | 28 | 1:00.11 | Nieves, Tatiana (2015) (Trinity, IL) | IL 2A Girls State Prelims(IL), 2014-05-23(#18) |
| G-400 | 29 | 1:00.15 | Kladar, Kristina (2014) (Boylan Catholic, IL) | NIC-10 Girls Conference Meet(IL), 2014-05-08(#3) |
| G-400 | 30 | 1:00.20 | Smith, Shavona (2016) (Lanphier, IL) | Glenwood Titan Co-Ed Invitational(IL), 2014-04-25(#2) |
| G-400 | 31 | 1:00.21 | Halverson, Miranda (2016) (Richmond-Burton, IL) | McHenry County Championships(IL), 2014-04-25(#2) |
| G-400 | 32 | 1:00.22 | Jamrozek, Maddie (2015) (Montini Catholic, IL) | IL 2A Glenbard South Girls Sectional(IL), 2014-05-16(#1) |
| G-400 | 32 | 1:00.22 | Tranchitella, Haley (2017) (Washington Comm, IL) | IL 2A Macomb Girls Sectional(IL), 2014-05-15(#2) |
| G-400 | 34 | 1:00.25 | Smith, Destiny (2016) (Monmouth-Roseville, IL) | Rockridge Co-Ed Invitational(IL), 2014-04-25(#1) |
| G-400 | 35 | 1:00.27 | Anderson, Becca (2015) (Clinton, IL) | Okaw Valley Girls Conf Meet(IL), 2014-05-09(#3) |
| G-400 | 36 | 1:00.37 | Zaragoza, Sydney (2014) (Rosary, IL) | SCC Girls Championships(IL), 2014-05-07(#2) |
| G-400 | 37 | 1:00.41 | Clevenger, Dallas (2015) (Rock Falls Township, IL) | Silver Streaks Girls Invitational(IL), 2014-04-11(#2) |
| G-400 | 38 | 1:00.46 | Prear, Kelsie (2015) (Morgan Park, IL) | Chicago Public League Championships(IL), 2014-05-10(#4) |
| G-400 | 39 | 1:00.49 | Jones, Shirley (2014) (Springfield Southeast, IL) | Champaign Central Girls Invitational(IL), 2014-04-26(#3) |
| G-400 | 40 | 1:00.54 | Williams, Alyssa (2014) (Frankfort, IL) | IL 2A Herrin Girls Sectional(IL), 2014-05-15(#3) |
| G-400 | 41 | 1:00.55 | Heinzer, Allie (2016) (Kaneland , IL) | Holmes ABC Invitational(IL), 2014-04-19(#1) |
| G-400 | 42 | 1:00.58 | Bruce, Madeline (2017) (Marion, IL) | USATF IL JO Championships(IL), 2014-06-22(#8) |
| G-400 | 43 | 1:00.61 | Thompson, Alex (2015) (University of Chicago Lab School, IL) | IL 2A Girls State Prelims(IL), 2014-05-23(#22) |
| G-400 | 44 | 1:00.67 | Silge, Emily (14) (Carmel Catholic, IL) | USATF IL JO Championships(IL), 2014-06-22(#9) |
| G-400 | 45 | 1:00.75 | Snyders, Anne (2017) (Jersey Comm, IL) | Mississippi Valley Conf Girls Championships(IL), 2014-05-08(#2) |
| G-400 | 46 | 1:00.88 | Schultz, Lauren (2014) (Richwoods, IL) | IL 2A Macomb Girls Sectional(IL), 2014-05-15(#3) |
| G-400 | 47 | 1:01.27 | Jarvis, Aimee (2017) (Hampshire, IL) | Fox Valley Conf Girls Championships(IL), 2014-05-08(#3) |
| G-400 | 48 | 1:01.28 | Anderson, Dominque (2017) (Il Mathematics & Science Academy, IL) | Matt Wulf Invitational(IL), 2014-04-17(#2) |
| G-400 | 49 | 1:01.29 | Mcgee, Jakyra (North Lawndale Charter, IL) | Midwest Prep Invitational(IN), 2014-04-19(#6) |
| G-400 | 50 | 1:01.31 | Blohm, Taylor (2015) (Glenbard South, IL) | MSC Girls Conf Meet(IL), 2014-05-09(#1) |
| G-400 | 51 | 1:01.33 | Bagwell, Nicole (2017) (Tolono Unity, IL) | IL 1A St. Joseph-Ogden Girls Sectional(IL), 2014-05-16(#1) |
| G-400 | 52 | 1:01.34 | Hinds, Jerrie (2016) (Westinghouse Career Academy, IL) | Chicago Public League Championships(IL), 2014-05-10(#6) |
| G-400 | 53 | 1:01.40 | Carter, Mattie (2014) (Greenville, IL) | South Central Girls Conference Meet(IL), 2014-05-06(#1) |
| G-400 | 54 | 1:01.50 | Wesley, Destiny (2015) (Thornridge, IL) | Carol Urich Invitational(IL), 2014-05-03(#3) |
| G-400 | 55 | 1:01.51 | Zacharias, Morgan (2015) (Reed-Custer, IL) | Manteno All-Area Invitational(IL), 2014-04-25(#3) |
| G-400 | 56 | 1:01.69 | Roach, Maeve (Nazareth Academy, IL) | IL 2A Glenbard South Girls Sectional(IL), 2014-05-16(#3) |
| G-400 | 57 | 1:01.88 | Chamberlain, Sabrina (2016) (Sterling, IL) | NIB-12 Girls Conference Meet(IL), 2014-05-09(#4) |
| G-400 | 58 | 1:01.90 | Perrero, Megan (2015) (Mahomet-Seymour, IL) | Corn Belt Conference Meet(IL), 2014-05-09(#3) |
| G-400 | 59 | 1:01.91 | Houska, Hannah (2014) (Monticello, IL) | Piatt Macon County Invitational(IL), 2014-04-22(#1) |
| G-400 | 60 | 1:01.92 | Drab, Elizabeth (2017) (Saint Viator, IL) | IL 2A Woodstock Girls Sectional(IL), 2014-05-15(#3) |
| G-400 | 61 | 1:01.93 | Pagel, Kelly (2015) (Pontiac, IL) | Metamora Co-Ed Invitational(IL), 2014-04-12(#3) |
| G-400 | 62 | 1:01.97 | Olson, Melanie (2016) (Providence Catholic, IL) | Lockport Girls Invitational(IL), 2014-04-25(#6) |
| G-400 | 63 | 1:01.98 | Preacely, Ryan (2014) (Johnson College Prep, IL) | NLCP Girls Invitational(IL), 2014-04-11(#3) |
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