| Event | Rank | Mark | By | Meet |
| G-4x400 | 1 | 3:52.19 | Girls Relay (Lincoln-Way East, IL) | Carol Uhrich Invitational(IL), 2015-05-02(#1) |
| G-4x400 | 2 | 3:52.26 | Girls Relay (Barrington, IL) | IL 3A Girls State Finals(IL), 2015-05-23(#1) |
| G-4x400 | 3 | 3:52.99 | Girls Relay (St. Charles East, IL) | IL 3A Girls State Prelims(IL), 2015-05-22(#1) |
| G-4x400 | 4 | 3:53.32 | Girls Relay (Oak Park-River Forest, IL) | IL 3A Girls State Finals(IL), 2015-05-23(#3) |
| | | National Elites above. State Elites below | | |
| G-4x400 | 5 | 3:56.06 | Girls Relay (Lane Technical, IL) | IL 3A Girls State Prelims(IL), 2015-05-22(#5) |
| G-4x400 | 6 | 3:56.31 | Girls Relay (Hinsdale Central, IL) | IL 3A Girls State Finals(IL), 2015-05-23(#4) |
| G-4x400 | 7 | 3:56.39 | Girls Relay (Mother McAuley, IL) | IL 3A Girls State Prelims(IL), 2015-05-22(#4) |
| G-4x400 | 8 | 3:56.48 | Girls Relay (Bloom Township, IL) | IL 3A Homewood-Flossmoor Girls Sectional(IL), 2015-05-14(#2) |
| G-4x400 | 9 | 3:56.63 | Girls Relay (Downers Grove South, IL) | IL 3A Girls State Prelims(IL), 2015-05-22(#8) |
| G-4x400 | 10 | 3:57.77 | Girls Relay (Belleville East, IL) | IL 3A Girls State Prelims(IL), 2015-05-22(#10) |
| G-4x400 | 11 | 3:58.51 | Girls Relay (York Community, IL) | IL 3A Girls State Prelims(IL), 2015-05-22(#11) |
| G-4x400 | 12 | 3:58.57 | Girls Relay (Danville, IL) | IL 3A Girls State Prelims(IL), 2015-05-22(#12) |
| G-4x400 | 13 | 3:58.68 | Girls Relay (O'Fallon, IL) | Southwest Conference Girls Meet(IL), 2015-05-06(#1) |
| G-4x400 | 14 | 3:58.74 | Girls Relay (Downers Grove North, IL) | IL 3A Downers Grove North Girls Sectional(IL), 2015-05-14(#3) |
| G-4x400 | 15 | 3:58.78 | Girls Relay (Galesburg, IL) | IL 2A Girls State Prelims(IL), 2015-05-22(#2) |
| G-4x400 | 16 | 3:58.87 | Girls Relay (Fremd, IL) | IL 3A Fremd Girls Sectional(IL), 2015-05-15(#2) |
| G-4x400 | 17 | 3:58.98 | Girls Relay (Geneva, IL) | IL 3A St. Charles North Girls Sectional(IL), 2015-05-15(#2) |
| G-4x400 | 18 | 3:59.02 | Girls Relay (Carl Sandburg, IL) | IL 3A Girls State Prelims(IL), 2015-05-22(#14) |
| G-4x400 | 19 | 3:59.68 | Girls Relay (Palatine, IL) | IL 3A Fremd Girls Sectional(IL), 2015-05-15(#3) |
| G-4x400 | 20 | 3:59.76 | Girls Relay (Rock Island, IL) | IL 3A Girls State Prelims(IL), 2015-05-22(#16) |
| G-4x400 | 21 | 3:59.77 | Girls Relay (Yorkville, IL) | IL 3A Girls State Prelims(IL), 2015-05-22(#17) |
| G-4x400 | 22 | 3:59.90 | Girls Relay (Neuqua Valley, IL) | Weber Invitational(IL), 2015-05-01(#1) |
| G-4x400 | 23 | 4:00.12 | Girls Relay (Warren Township, IL) | IL 3A Girls State Prelims(IL), 2015-05-22(#18) |
| G-4x400 | 24 | 4:00.23 | Girls Relay (New Trier Township, IL) | IL 3A Girls State Prelims(IL), 2015-05-22(#19) |
| G-4x400 | 25 | 4:01.34 | Girls Relay (Batavia, IL) | IL 3A St. Charles North Girls Sectional(IL), 2015-05-15(#3) |
| G-4x400 | 26 | 4:01.41 | Girls Relay (Oswego East, IL) | IL 3A Girls State Prelims(IL), 2015-05-22(#22) |
| G-4x400 | 27 | 4:01.49 | Girls Relay (Lyons Township, IL) | IL 3A Girls State Prelims(IL), 2015-05-22(#23) |
| G-4x400 | 28 | 4:01.74 | Girls Relay (Loyola Academy, IL) | New Trier Lady Trevian Invitational(IL), 2015-05-02(#1) |
| G-4x400 | 29 | 4:02.56 | Girls Relay (East St. Louis-Senior, IL) | Alton Girls Invitational(IL), 2015-04-23(#2) |
| G-4x400 | 30 | 4:02.87 | Girls Relay (Evanston Township, IL) | John Eakle Invitational(IL), 2015-05-02(#2) |
| G-4x400 | 31 | 4:03.05 | Girls Relay (Schaumburg, IL) | IL 3A St. Charles North Girls Sectional(IL), 2015-05-15(#4) |
| G-4x400 | 32 | 4:03.17 | Girls Relay (Thornwood, IL) | Carol Uhrich Invitational(IL), 2015-05-02(#3) |
| G-4x400 | 33 | 4:03.32 | Girls Relay (Naperville North, IL) | IL 3A Girls State Prelims(IL), 2015-05-22(#25) |
| G-4x400 | 34 | 4:03.57 | Girls Relay (Bloomington, IL) | Urbana Girls Invitational(IL), 2015-05-01(#2) |
| G-4x400 | 35 | 4:03.60 | Girls Relay (Highland Park, IL) | IL 3A Loyola Academy Girls Sectional(IL), 2015-05-14(#3) |
| G-4x400 | 36 | 4:03.90 | Girls Relay (West Aurora, IL) | IL 3A St. Charles North Girls Sectional(IL), 2015-05-15(#5) |
| G-4x400 | 37 | 4:04.07 | Girls Relay (Hononegah, IL) | WWS Girls Tiger Invitational(IL), 2015-05-01(#4) |
| G-4x400 | 38 | 4:04.66 | Girls Relay (Normal Community, IL) | IL 3A O'Fallon Girls Sectional(IL), 2015-05-15(#5) |
| G-4x400 | 39 | 4:04.91 | Girls Relay (Glenwood, IL) | IL 2A Girls State Prelims(IL), 2015-05-22(#13) |
| G-4x400 | 40 | 4:04.93 | Girls Relay (Plainfield South, IL) | IL 3A Naperville North Girls Sectional(IL), 2015-05-14(#4) |
| G-4x400 | 41 | 4:04.94 | Girls Relay (Springfield, IL) | IL 3A O'Fallon Girls Sectional(IL), 2015-05-15(#6) |
| G-4x400 | 42 | 4:05.23 | Girls Relay (Edwardsville, IL) | Southwest Conference Girls Meet(IL), 2015-05-06(#3) |
| G-4x400 | 43 | 4:05.26 | Girls Relay (Libertyville, IL) | IL 3A Fremd Girls Sectional(IL), 2015-05-15(#5) |
| G-4x400 | 44 | 4:05.71 | Girls Relay (Glenbard West, IL) | Bruce Ritter Invitational(IL), 2015-04-17(#5) |
| G-4x400 | 45 | 4:05.88 | Girls Relay (Metea Valley, IL) | IL 3A St. Charles North Girls Sectional(IL), 2015-05-15(#6) |
| G-4x400 | 46 | 4:06.22 | Girls Relay (Hinsdale South, IL) | IL 3A Downers Grove North Girls Sectional(IL), 2015-05-14(#5) |
| G-4x400 | 46 | 4:06.22 | Girls Relay (Cary-Grove Community, IL) | Gus Scott Co-Ed Invitational(IL), 2015-04-17(#2) |
| G-4x400 | 48 | 4:06.35 | Girls Relay (Huntley, IL) | IL 3A Hononegah Girls Sectional(IL), 2015-05-14(#2) |
| G-4x400 | 49 | 4:06.77 | Girls Relay (Lake Forest, IL) | IL 3A Fremd Girls Sectional(IL), 2015-05-15(#6) |
| G-4x400 | 50 | 4:06.78 | Girls Relay (Grant Community, IL) | North Suburban Girls Conference Meet(IL), 2015-05-07(#1) |
| G-4x400 | 51 | 4:06.99 | Girls Relay (Belleville West, IL) | IL 3A O'Fallon Girls Sectional(IL), 2015-05-15(#7) |
| G-4x400 | 52 | 4:07.77 | Girls Relay (Lockport Township , IL) | Weber Invitational(IL), 2015-05-01(#3) |
| G-4x400 | 53 | 4:07.79 | Girls Relay (Belvidere North, IL) | IL 3A Hononegah Girls Sectional(IL), 2015-05-14(#4) |
| G-4x400 | 54 | 4:07.90 | Girls Relay (Proviso West, IL) | WSC-Silver Girls Conference Meet(IL), 2015-05-09(#5) |
| G-4x400 | 55 | 4:07.95 | Girls Relay (Proviso East, IL) | WSC-Gold Girls Conference Meet(IL), 2015-05-07(#2) |
| G-4x400 | 56 | 4:07.97 | Girls Relay (Grayslake Central, IL) | IL 3A Fremd Girls Sectional(IL), 2015-05-15(#7) |
| G-4x400 | 57 | 4:08.03 | Girls Relay (Oswego, IL) | Southwest Prairie Girls Conference Meet(IL), 2015-05-07(#3) |
| G-4x400 | 58 | 4:08.16 | Girls Relay (Normal Community West, IL) | Bloomington Lady Raider Invitational, 2015-04-17(#5) |
| G-4x400 | 59 | 4:08.55 | Girls Relay (Minooka Community, IL) | Prospect Girls Relays(IL), 2015-04-10(#2) |
| G-4x400 | 59 | 4:08.55 | Girls Relay (Hoffman Estates, IL) | IL 3A St. Charles North Girls Sectional(IL), 2015-05-15(#7) |
| G-4x400 | 61 | 4:09.89 | Girls Relay (Moline, IL) | IL 3A O'Fallon Girls Sectional(IL), 2015-05-15(#9) |
| G-4x400 | 62 | 4:10.17 | Girls Relay (Maine South, IL) | IL 3A Loyola Academy Girls Sectional(IL), 2015-05-14(#5) |
| G-4x400 | 63 | 4:10.18 | Girls Relay (Wheaton-Warrenville South, IL) | IL 3A Glenbard North Girls Sectional(IL), 2015-05-14(#3) |
| G-4x400 | 64 | 4:10.20 | Girls Relay (Homewood-Flossmoor, IL) | New Trier Lady Trevian Invitational(IL), 2015-05-02(#3) |
| G-4x400 | 65 | 4:10.21 | Girls Relay (Crete-Monee, IL) | Southland Ath Girls Conference Meet(IL), 2015-05-06(#2) |
| G-4x400 | 66 | 4:10.31 | Girls Relay (Lincoln-Way North, IL) | SWSC-Red Girls Conference Meet(IL), 2015-05-07(#3) |
| G-4x400 | 67 | 4:10.37 | Girls Relay (Alton, IL) | Collinsville Girls Invitational(IL), 2015-05-01(#4) |
| G-4x400 | 68 | 4:10.39 | Girls Relay (Waubonsie Valley, IL) | Gus Scott Co-Ed Invitational(IL), 2015-04-17(#4) |
| G-4x400 | 69 | 4:10.72 | Girls Relay (Naperville Central, IL) | DuPage Valley Girls Conference Meet(IL), 2015-05-07(#2) |
| G-4x400 | 70 | 4:10.82 | Girls Relay (Wheaton North, IL) | Falcon Blue & Gold Invitational(IL), 2015-04-17(#2) |
| G-4x400 | 71 | 4:11.73 | Girls Relay (Bolingbrook, IL) | SWSC-Blue Girls Conference Meet(IL), 2015-05-07(#3) |
| G-4x400 | 72 | 4:11.81 | Girls Relay (Thornton Township, IL) | SWSC-Red Girls Conference Meet(IL), 2015-05-07(#4) |
| G-4x400 | 73 | 4:12.58 | Girls Relay (Harlem, IL) | Rock Island Girls ABC Invitational(IL), 2015-04-18(#3) |
| G-4x400 | 74 | 4:13.37 | Girls Relay (Lincoln-Way Central, IL) | Lincoln-Way C Lady Knights Invitational(IL), 2015-04-11(#2) |
| G-4x400 | 75 | 4:13.42 | Girls Relay (Wheeling, IL) | Prospect Girls Relays(IL), 2015-04-10(#3) |
| G-4x400 | 76 | 4:13.64 | Girls Relay (St. Ignatius, IL) | WWS Girls Tiger Invitational(IL), 2015-05-01(#13) |
| G-4x400 | 77 | 4:13.78 | Girls Relay (Harry D Jacobs, IL) | Gus Scott Co-Ed Invitational(IL), 2015-04-17(#5) |
| G-4x400 | 78 | 4:14.13 | Girls Relay (Plainfield East, IL) | Hunt Invitational(IL), 2015-04-30(#1) |
| G-4x400 | 79 | 4:14.32 | Girls Relay (Whitney Young, IL) | New Trier Lady Trevian Invitational(IL), 2015-05-02(#6) |
| G-4x400 | 80 | 4:14.36 | Girls Relay (Joliet Central, IL) | Bruce Ritter Invitational(IL), 2015-04-17(#8) |
| G-4x400 | 81 | 4:14.41 | Girls Relay (Lakes, IL) | IL 3A Fremd Girls Sectional(IL), 2015-05-15(#8) |
| G-4x400 | 82 | 4:15.77 | Girls Relay (Addison Trail, IL) | WSC-Gold Girls Conference Meet(IL), 2015-05-07(#4) |
| G-4x400 | 83 | 4:15.92 | Girls Relay (Prospect, IL) | Bruce Ritter Invitational(IL), 2015-04-17(#9) |
| G-4x400 | 84 | 4:15.99 | Girls Relay (Crystal Lake South, IL) | Jennifer Kearns Invitational(IL), 2015-04-11(#2) |
| G-4x400 | 85 | 4:16.23 | Girls Relay (Kenwood Academy, IL) | IL 3A Girls State Prelims(IL), 2015-05-22(#34) |
| G-4x400 | 86 | 4:16.25 | Girls Relay (Joliet West, IL) | SWSC-Blue Girls Conference Meet(IL), 2015-05-07(#5) |
| G-4x400 | 87 | 4:16.28 | Girls Relay (Taft, IL) | IL 3A Loyola Academy Girls Sectional(IL), 2015-05-14(#6) |
| G-4x400 | 88 | 4:16.49 | Girls Relay (Mundelein Cons, IL) | North Suburban Girls Conference Meet(IL), 2015-05-07(#7) |
| G-4x400 | 89 | 4:16.61 | Girls Relay (Lake Zurich, IL) | IL 3A Fremd Girls Sectional(IL), 2015-05-15(#9) |
| G-4x400 | 90 | 4:16.99 | Girls Relay (J Sterling Morton, IL) | WSC-Gold Girls Conference Meet(IL), 2015-05-07(#5) |
| G-4x400 | 91 | 4:17.57 | Girls Relay (Grayslake North, IL) | IL 3A Fremd Girls Sectional(IL), 2015-05-15(#10) |
| G-4x400 | 92 | 4:17.67 | Girls Relay (McHenry, IL) | Crystal Lake Central Girls Invitational(IL), 2015-04-17(#1) |
| G-4x400 | 93 | 4:17.71 | Girls Relay (South Elgin, IL) | IL 3A St. Charles North Girls Sectional(IL), 2015-05-15(#8) |
| G-4x400 | 94 | 4:17.73 | Girls Relay (West Chicago, IL) | Glenbard South Lady Raider Invitational(IL), 2015-04-17(#3) |
| G-4x400 | 95 | 4:17.74 | Girls Relay (Simeon Career Academy, IL) | IL 3A Lyons Township Girls Sectional(IL), 2015-05-15(#3) |
| G-4x400 | 96 | 4:17.88 | Girls Relay (Glenbard East, IL) | Upstate Eight Girls Conference Meet(IL), 2015-05-07(#7) |
| G-4x400 | 97 | 4:18.10 | Girls Relay (Glenbard North, IL) | DuPage Valley Girls Conference Meet(IL), 2015-05-07(#5) |
| G-4x400 | 98 | 4:19.11 | Girls Relay (Leyden , IL) | IL 3A Glenbard North Girls Sectional(IL), 2015-05-14(#6) |
| G-4x400 | 99 | 4:19.35 | Girls Relay (Dundee-Crown, IL) | Kane County Girls Championships(IL), 2015-04-30(#9) |
| G-4x400 | 100 | 4:19.57 | Girls Relay (United Township, IL) | Sterling Night Relays(IL), 2015-05-01(#7) |
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