| Event | Rank | Mark | By | Meet |
| G-4x800 | 1 | 9:25.02 | Girls Relay (Loyola Academy, IL) (US#33) | DGS Mustang Relays(IL), 2015-03-09(#1) |
| G-4x800 | 2 | 9:25.09 | Girls Relay (Fremd, IL) (US#34) | Illinois Top Times Championships - Class 3A(IL), 2015-03-28(#1) |
| G-4x800 | 3 | 9:25.54 | Girls Relay (Downers Grove North, IL) (US#36) | DGS Mustang Relays(IL), 2015-03-09(#2) |
| G-4x800 | 4 | 9:26.70 | Girls Relay (Hoffman Estates, IL) (US#39) | Batavia Bulldog Relays(IL), 2015-03-26(#1) |
| G-4x800 | 5 | 9:26.77 | Girls Relay (Fremd, IL) (US#40) | Mid Suburban League Indoor Championships(IL), 2015-03-21(#1) |
| G-4x800 | 6 | 9:28.59 | Girls Relay (Yorkville, IL) (US#49) | DGS Mustang Relays(IL), 2015-03-09(#3) |
| G-4x800 | 7 | 9:30.87 | Girls Relay (Lane Technical, IL) (US#57) | DGS Mustang Relays(IL), 2015-03-09(#4) |
| G-4x800 | 8 | 9:33.18 | Girls Relay (Naperville North, IL) (US#64) | Illinois Top Times Championships - Class 3A(IL), 2015-03-28(#3) |
| G-4x800 | 9 | 9:33.47 | Girls Relay (Minooka Community, IL) (US#65) | DGS Mustang Relays(IL), 2015-03-09(#5) |
| G-4x800 | 10 | 9:35.96 | Girls Relay (St. Charles East, IL) (US#81) | DGS Mustang Relays(IL), 2015-03-09(#7) |
| G-4x800 | 11 | 9:36.27 | Girls Relay (Glenbard West, IL) (US#82) | WSC-Silver Girls Indoor Conference Meet(IL), 2015-03-20(#1) |
| G-4x800 | 12 | 9:36.31 | Girls Relay (York Community, IL) (US#83) | WSC-Silver Girls Indoor Conference Meet(IL), 2015-03-20(#2) |
| G-4x800 | 13 | 9:36.50 | Girls Relay (Palatine, IL) (US#86) | Emma Fisher Invitational(IL), 2015-03-13(#1) |
| G-4x800 | 14 | 9:41.83 | Girls Relay (Schaumburg, IL) | Illinois Top Times Championships - Class 3A(IL), 2015-03-28(#5) |
| G-4x800 | 15 | 9:42.66 | Girls Relay (Montini Catholic, IL) | Illinois Top Times Championships - Class 2A(IL), 2015-03-28(#1) |
| G-4x800 | 16 | 9:44.63 | Girls Relay (Lincoln-Way Central, IL) | Illinois Top Times Championships - Class 3A(IL), 2015-03-28(#8) |
| G-4x800 | 17 | 9:44.89 | Girls Relay (Geneva, IL) | DGS Mustang Relays(IL), 2015-03-09(#8) |
| G-4x800 | 18 | 9:45.62 | Girls Relay (Downers Grove South, IL) | DGS Mustang Relays(IL), 2015-03-09(#9) |
| | | National Elites above. State Elites below | | |
| G-4x800 | 19 | 9:46.64 | Girls Relay (Oswego, IL) | Illinois Top Times Championships - Class 3A(IL), 2015-03-28(#9) |
| G-4x800 | 20 | 9:46.74 | Girls Relay (Rosary, IL) | Illinois Top Times Championships - Class 2A(IL), 2015-03-28(#2) |
| G-4x800 | 21 | 9:48.69 | Girls Relay (Lyons Township, IL) | DGS Mustang Relays(IL), 2015-03-09(#11) |
| G-4x800 | 22 | 9:49.68 | Girls Relay (Batavia, IL) | Upstate Eight Girls Indoor Conference Meet(IL), 2015-03-21(#1) |
| G-4x800 | 23 | 9:50.50 | Girls Relay (Glenbard East, IL) | DGS Mustang Relays(IL), 2015-03-09(#12) |
| G-4x800 | 24 | 9:50.75 | Girls Relay (Wheaton-Warrenville South, IL) | DuPage Valley Girls Indoor Conference Meet(IL), 2015-03-19(#2) |
| G-4x800 | 25 | 9:50.79 | Girls Relay (Naperville Central, IL) | DuPage Valley Girls Indoor Conference Meet(IL), 2015-03-19(#3) |
| G-4x800 | 26 | 9:51.42 | Girls Relay (Plainfield North, IL) | DGS Mustang Relays(IL), 2015-03-09(#13) |
| G-4x800 | 27 | 9:51.51 | Girls Relay (Tolono Unity, IL) | Illinois Top Times Championships - Class 1A(IL), 2015-03-27(#1) |
| G-4x800 | 28 | 9:52.13 | Girls Relay (Lincoln-Way East, IL) | Whitney Young Fast Times Girls Invitational(IL), 2015-03-28(#1) |
| G-4x800 | 29 | 9:52.78 | Girls Relay (Normal University, IL) | Illinois Top Times Championships - Class 2A(IL), 2015-03-28(#3) |
| G-4x800 | 30 | 9:52.97 | Girls Relay (Lake Forest, IL) | DGS Mustang Relays(IL), 2015-03-09(#14) |
| G-4x800 | 31 | 9:54.27 | Girls Relay (Neuqua Valley, IL) | DGS Mustang Relays(IL), 2015-03-09(#15) |
| G-4x800 | 32 | 9:54.28 | Girls Relay (Plainfield South, IL) | Batavia Bulldog Relays(IL), 2015-03-26(#2) |
| G-4x800 | 33 | 9:54.66 | Girls Relay (Glenbrook South, IL) | CSL-South Girls Indoor Conference Meet(IL), 2015-03-19(#1) |
| G-4x800 | 34 | 9:54.98 | Girls Relay (Barrington, IL) | Mid Suburban League Indoor Championships(IL), 2015-03-21(#4) |
| G-4x800 | 35 | 9:56.81 | Girls Relay (St. Ignatius, IL) | DGS Mustang Relays(IL), 2015-03-09(#17) |
| G-4x800 | 36 | 9:56.82 | Girls Relay (Maine South, IL) | CSL-South Girls Indoor Conference Meet(IL), 2015-03-19(#2) |
| G-4x800 | 37 | 9:57.25 | Girls Relay (Wheeling, IL) | Mid Suburban League Indoor Championships(IL), 2015-03-21(#5) |
| G-4x800 | 38 | 9:57.84 | Girls Relay (New Trier Township, IL) | CSL-South Girls Indoor Conference Meet(IL), 2015-03-19(#3) |
| G-4x800 | 39 | 9:58.10 | Girls Relay (Dunlap, IL) | Illinois Top Times Championships - Class 2A(IL), 2015-03-28(#4) |
| G-4x800 | 40 | 9:59.64 | Girls Relay (Mahomet-Seymour, IL) | Charleston EIU Girls Invitational - Large Schools(IL), 2015-03-14(#1) |
| G-4x800 | 41 | 10:00.04 | Girls Relay (Benet Academy, IL) | DGS Mustang Relays(IL), 2015-03-09(#18) |
| G-4x800 | 42 | 10:00.97 | Girls Relay (Hampshire, IL) | Illinois Top Times Championships - Class 2A(IL), 2015-03-28(#6) |
| G-4x800 | 43 | 10:03.59 | Girls Relay (Freeburg Community, IL) | Illinois Top Times Championships - Class 2A(IL), 2015-03-28(#7) |
| G-4x800 | 44 | 10:03.62 | Girls Relay (Prospect, IL) | DGS Mustang Relays(IL), 2015-03-09(#19) |
| G-4x800 | 45 | 10:03.91 | Girls Relay (Carl Sandburg, IL) | DGS Mustang Relays(IL), 2015-03-09(#20) |
| G-4x800 | 46 | 10:03.98 | Girls Relay (Eureka, IL) | Illinois Top Times Championships - Class 1A(IL), 2015-03-27(#2) |
| G-4x800 | 47 | 10:05.31 | Girls Relay (Urbana University, IL) | Urbana Uni Meet #1(IL), 2015-02-11(#1) |
| G-4x800 | 48 | 10:05.76 | Girls Relay (Lockport Township , IL) | Southwest Suburban Girls Indoor Conference Meet(IL), 2015-03-20(#3) |
| G-4x800 | 49 | 10:06.97 | Girls Relay (Marist, IL) | Charleston EIU Girls Invitational - Large Schools(IL), 2015-03-14(#2) |
| G-4x800 | 50 | 10:07.37 | Girls Relay (PORTA, IL) | Illinois Top Times Championships - Class 1A(IL), 2015-03-27(#3) |
| G-4x800 | 51 | 10:07.80 | Girls Relay (Mattoon, IL) | Charleston EIU Girls Invitational - Large Schools(IL), 2015-03-14(#3) |
| G-4x800 | 52 | 10:09.24 | Girls Relay (Oswego East, IL) | Batavia Bulldog Relays(IL), 2015-03-26(#5) |
| G-4x800 | 53 | 10:09.49 | Girls Relay (Glenbard South, IL) | DGS Mustang Relays(IL), 2015-03-09(#21) |
| G-4x800 | 54 | 10:09.89 | Girls Relay (Fenwick, IL) | DGS Mustang Relays(IL), 2015-03-09(#22) |
| G-4x800 | 55 | 10:12.38 | Girls Relay (Monmouth-Roseville, IL) | Illinois Top Times Championships - Class 2A(IL), 2015-03-28(#8) |
| G-4x800 | 56 | 10:12.57 | Girls Relay (Boylan Catholic, IL) | Illinois Top Times Championships - Class 2A(IL), 2015-03-28(#9) |
| G-4x800 | 57 | 10:13.09 | Girls Relay (McHenry, IL) | Bergeson Co-Ed Invitational(IL), 2015-03-14(#1) |
| G-4x800 | 58 | 10:13.29 | Girls Relay (Edwardsville, IL) | Gene Armer Invitational(IL), 2015-03-21(#3) |
| G-4x800 | 59 | 10:14.45 | Girls Relay (Hinsdale Central, IL) | WSC-Silver Girls Indoor Conference Meet(IL), 2015-03-20(#5) |
| G-4x800 | 60 | 10:14.66 | Girls Relay (Sterling, IL) | Sterling Indoor Invitational(IL), 2015-03-28(#1) |
| G-4x800 | 61 | 10:15.11 | Girls Relay (Danville, IL) | West Lafayette HSR Qualifier(IN), 2015-03-12(#3) |
| G-4x800 | 62 | 10:15.73 | Girls Relay (Sacred Heart-Griffin, IL) | Illinois Top Times Championships - Class 2A(IL), 2015-03-28(#10) |
| G-4x800 | 63 | 10:15.84 | Girls Relay (Kaneland , IL) | DGS Mustang Relays(IL), 2015-03-09(#24) |
| G-4x800 | 64 | 10:15.99 | Girls Relay (St. Charles North, IL) | Upstate Eight Girls Indoor Conference Meet(IL), 2015-03-21(#5) |
| G-4x800 | 65 | 10:17.77 | Girls Relay (Conant, IL) | Mid Suburban League Indoor Championships(IL), 2015-03-21(#6) |
| G-4x800 | 66 | 10:17.97 | Girls Relay (Whitney Young, IL) | DGS Mustang Relays(IL), 2015-03-09(#26) |
| G-4x800 | 67 | 10:18.88 | Girls Relay (University, IL) | Illinois Top Times Championships - Class 1A(IL), 2015-03-27(#4) |
| G-4x800 | 68 | 10:19.29 | Girls Relay (Joliet West, IL) | Plainfield North Girls Relays(IL), 2015-02-27(#2) |
| G-4x800 | 69 | 10:19.58 | Girls Relay (Wheaton North, IL) | DGS Mustang Relays(IL), 2015-03-09(#27) |
| G-4x800 | 70 | 10:20.18 | Girls Relay (Galesburg, IL) | Galesburg Silver Streak Invitational(IL), 2015-03-21(#3) |
| G-4x800 | 71 | 10:20.85 | Girls Relay (Thornwood, IL) | DGS Mustang Relays(IL), 2015-03-09(#28) |
| G-4x800 | 72 | 10:21.44 | Girls Relay (Cary-Grove Community, IL) | Glenbard South Girls Quad(IL), 2015-02-21(#1) |
| G-4x800 | 73 | 10:22.04 | Girls Relay (Aurora Central Catholic, IL) | Byron Indoor Classic(IL), 2015-03-21(#2) |
| G-4x800 | 74 | 10:22.30 | Girls Relay (Willowbrook, IL) | Driscoll Invitational(IL), 2015-02-13(#2) |
| G-4x800 | 75 | 10:23.11 | Girls Relay (Lincoln-Way West, IL) | Southwest Suburban Girls Indoor Conference Meet(IL), 2015-03-20(#5) |
| G-4x800 | 76 | 10:23.15 | Girls Relay (Bolingbrook, IL) | Southwest Suburban Girls Indoor Conference Meet(IL), 2015-03-20(#6) |
| G-4x800 | 77 | 10:24.39 | Girls Relay (Bloom Township, IL) | Gene Armer Invitational(IL), 2015-03-21(#4) |
| G-4x800 | 78 | 10:24.45 | Girls Relay (Glenwood, IL) | Jacksonville Large School Invitational(IL), 2015-03-06(#1) |
| G-4x800 | 79 | 10:24.52 | Girls Relay (Huntley, IL) | Gary Egler Girls Invitational(IL), 2015-03-17(#2) |
| G-4x800 | 80 | 10:25.30 | Girls Relay (Mother McAuley, IL) | Emma Fisher Invitational(IL), 2015-03-13(#3) |
| G-4x800 | 81 | 10:25.43 | Girls Relay (St. Teresa, IL) | Decatur St. Teresa Invitational(IL), 2015-03-04(#2) |
| G-4x800 | 82 | 10:25.50 | Girls Relay (Jones College Prep, IL) | Nelson Daniels Classic - Large Schools(WI), 2015-03-21(#4) |
| G-4x800 | 83 | 10:27.17 | Girls Relay (Elk Grove, IL) | Mid Suburban League Indoor Championships(IL), 2015-03-21(#8) |
| G-4x800 | 84 | 10:27.30 | Girls Relay (Deer Creek Mackinaw, IL) | Illinois Top Times Championships - Class 1A(IL), 2015-03-27(#5) |
| G-4x800 | 85 | 10:28.34 | Girls Relay (Monticello, IL) | Charleston EIU Girls Invitational - Large Schools(IL), 2015-03-14(#6) |
| G-4x800 | 86 | 10:28.68 | Girls Relay (Olympia, IL) | Gene Armer Invitational(IL), 2015-03-21(#5) |
| G-4x800 | 87 | 10:28.73 | Girls Relay (Hinsdale South, IL) | WSC-Gold Girls Indoor Conference Meet(IL), 2015-03-20(#2) |
| G-4x800 | 88 | 10:28.81 | Girls Relay (Libertyville, IL) | Rockford Auburn Girls Indoor Invitational(IL), 2015-02-21(#1) |
| G-4x800 | 89 | 10:29.16 | Girls Relay (O'Fallon, IL) | SIU Girls HS Invitational(IL), 2015-03-06(#1) |
| G-4x800 | 90 | 10:29.67 | Girls Relay (Pleasant Plains, IL) | Illinois Top Times Championships - Class 1A(IL), 2015-03-27(#6) |
| G-4x800 | 91 | 10:29.93 | Girls Relay (Normal Community, IL) | Big 12 Girls Indoor Conference Meet(IL), 2015-03-09(#2) |
| G-4x800 | 92 | 10:30.09 | Girls Relay (St. Joseph-Ogden, IL) | Illinois Top Times Championships - Class 1A(IL), 2015-03-27(#7) |
| G-4x800 | 93 | 10:30.13 | Girls Relay (Williamsville, IL) | Illinois Top Times Championships - Class 1A(IL), 2015-03-27(#8) |
| G-4x800 | 94 | 10:32.06 | Girls Relay (University of Chicago Lab School, IL) | Dolphin Flyer Invitational(IL), 2015-02-28(#2) |
| G-4x800 | 95 | 10:32.07 | Girls Relay (Lemont, IL) | Lemont Indoor Invitational(IL), 2015-03-21(#1) |
| G-4x800 | 96 | 10:32.18 | Girls Relay (Hononegah, IL) | NIC-10 Girls Indoor Conference Meet(IL), 2015-03-19(#2) |
| G-4x800 | 97 | 10:32.60 | Girls Relay (Rolling Meadows, IL) | John Davis Relays(IL), 2015-02-27(#3) |
| G-4x800 | 98 | 10:32.90 | Girls Relay (Normal Community West, IL) | Big 12 Girls Indoor Conference Meet(IL), 2015-03-09(#3) |
| G-4x800 | 98 | 10:32.90 | Girls Relay (Clifton Central, IL) | Illinois Top Times Championships - Class 1A(IL), 2015-03-27(#9) |
| G-4x800 | 100 | 10:33.90 | Girls Relay (Reed-Custer, IL) | Illinois Top Times Championships - Class 1A(IL), 2015-03-27(#10) |
| G-4x800 | 101 | 10:34.32 | Girls Relay (Rock Falls Township, IL) | Sterling Indoor Invitational(IL), 2015-03-28(#2) |
| G-4x800 | 102 | 10:34.51 | Girls Relay (Metea Valley, IL) | Upstate Eight Girls Indoor Conference Meet(IL), 2015-03-21(#6) |
| G-4x800 | 103 | 10:34.90 | Girls Relay (Northside Prep, IL) | CPS Indoor Meet - Group A(IL), 2015-03-22(#1) |
| G-4x800 | 104 | 10:35.41 | Girls Relay (Moline, IL) | Steve Coffman Invitational(IL), 2015-02-27(#3) |
| G-4x800 | 105 | 10:36.92 | Girls Relay (Mather, IL) | CPS Indoor Meet - Group A(IL), 2015-03-22(#2) |
| G-4x800 | 106 | 10:36.96 | Girls Relay (Aurora Christian, IL) | Illinois Top Times Championships - Class 1A(IL), 2015-03-27(#11) |
| G-4x800 | 107 | 10:37.77 | Girls Relay (Springfield, IL) | Decatur St. Teresa Invitational(IL), 2015-03-04(#3) |
| G-4x800 | 108 | 10:38.54 | Girls Relay (Homewood-Flossmoor, IL) | Southwest Suburban Girls Indoor Conference Meet(IL), 2015-03-20(#8) |
| G-4x800 | 109 | 10:39.23 | Girls Relay (Carmel Catholic, IL) | DGS Mustang Relays(IL), 2015-03-09(#30) |
| G-4x800 | 110 | 10:39.70 | Girls Relay (Grant Community, IL) | Maine East Girls Quad(IL), 2015-02-18(#1) |
| G-4x800 | 111 | 10:40.19 | Girls Relay (Streamwood, IL) | Hononegah Girls Classic(IL), 2015-03-07(#2) |
| G-4x800 | 112 | 10:41.20 | Girls Relay (Lakes, IL) | Wheeling Wildcat Relays(IL), 2015-02-28(#1) |
| G-4x800 | 113 | 10:41.30 | Girls Relay (Wheaton Academy, IL) | Wheaton North Girls Meet #2(IL), 2015-02-21(#2) |
| G-4x800 | 114 | 10:41.81 | Girls Relay (Rock Island, IL) | Quad Cities Indoor Invitational(IL), 2015-03-04(#1) |
| G-4x800 | 115 | 10:42.36 | Girls Relay (Crystal Lake South, IL) | Nelson Daniels Classic - Large Schools(WI), 2015-03-21(#9) |
| G-4x800 | 116 | 10:44.75 | Girls Relay (Springfield Lutheran, IL) | Jacksonville Small School Invitational(IL), 2015-03-07(#3) |
| G-4x800 | 117 | 10:44.88 | Girls Relay (Oak Park-River Forest, IL) | Proviso West Panther Valentine Relays(IL), 2015-02-14(#6) |
| G-4x800 | 118 | 10:45.01 | Girls Relay (Washington Comm, IL) | Bloomington Lady Raider Invitational(IL), 2015-03-07(#4) |
| G-4x800 | 119 | 10:45.50 | Girls Relay (Dixon, IL) | Sterling Gold Medal Meet(IL), 2015-03-07(#1) |
| G-4x800 | 120 | 10:46.00 | Girls Relay (Niles West, IL) | Glenbrook South Girls Quad #1(IL), 2015-02-10(#1) |
| G-4x800 | 121 | 10:46.07 | Girls Relay (Highland, IL) | Charleston EIU Girls Invitational - Large Schools(IL), 2015-03-14(#7) |
| G-4x800 | 122 | 10:47.05 | Girls Relay (Woodstock, IL) | Sycamore Lady Spartan Invitational(IL), 2015-03-10(#1) |
| G-4x800 | 123 | 10:47.40 | Girls Relay (Lincoln-Way North, IL) | Lincoln-Way Cup Invitational(IL), 2015-02-27(#2) |
| G-4x800 | 124 | 10:47.63 | Girls Relay (Mount Vernon, IL) | Charleston EIU Girls Invitational - Large Schools(IL), 2015-03-14(#8) |
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