| Event | Rank | Mark | By | Meet |
| B-4x800 | 1 | 7:53.49 | Boys Relay (Carl Sandburg, IL) (US#14) | DGS Mustang Relays(IL), 2015-03-09(#1) |
| B-4x800 | 2 | 7:54.62 | Boys Relay (Glenbard West, IL) (US#18) | WSC-Silver Boys Indoor Conference Meet(IL), 2015-03-21(#1) |
| B-4x800 | 3 | 7:55.42 | Boys Relay (Neuqua Valley, IL) (US#19) | DGS Mustang Relays(IL), 2015-03-09(#2) |
| B-4x800 | 4 | 7:56.29 | Boys Relay (Lyons Township, IL) (US#22) | DGS Mustang Relays(IL), 2015-03-09(#3) |
| B-4x800 | 5 | 7:56.82 | Boys Relay (Downers Grove North, IL) (US#25) | WSC-Silver Boys Indoor Conference Meet(IL), 2015-03-21(#3) |
| B-4x800 | 6 | 7:57.64 | Boys Relay (Lane Technical, IL) (US#28) | DGS Mustang Relays(IL), 2015-03-09(#5) |
| B-4x800 | 7 | 7:59.48 | Boys Relay (Whitney Young, IL) (US#42) | DGS Mustang Relays(IL), 2015-03-09(#6) |
| B-4x800 | 8 | 8:02.62 | Boys Relay (Prospect, IL) (US#58) | Mid Suburban League Indoor Championships(IL), 2015-03-21(#1) |
| B-4x800 | 9 | 8:05.84 | Boys Relay (Cahokia, IL) (US#81) | Illinois Top Times Championships - Class 2A(IL), 2015-03-28(#1) |
| B-4x800 | 10 | 8:07.96 | Boys Relay (Batavia, IL) | Batavia Bulldog Relays(IL), 2015-03-26(#2) |
| B-4x800 | 11 | 8:08.12 | Boys Relay (John Hersey, IL) | Mid Suburban League Indoor Championships(IL), 2015-03-21(#2) |
| B-4x800 | 12 | 8:08.31 | Boys Relay (Hinsdale Central, IL) | DGS Mustang Relays(IL), 2015-03-09(#8) |
| B-4x800 | 13 | 8:08.93 | Boys Relay (Glenbrook North, IL) | Illinois Top Times Championships - Class 3A(IL), 2015-03-28(#1) |
| B-4x800 | 14 | 8:09.22 | Boys Relay (Yorkville, IL) | DGS Mustang Relays(IL), 2015-03-09(#9) |
| B-4x800 | 15 | 8:09.54 | Boys Relay (Loyola Academy, IL) | Illinois Top Times Championships - Class 3A(IL), 2015-03-28(#2) |
| B-4x800 | 16 | 8:09.87 | Boys Relay (Jones College Prep, IL) | Illinois Top Times Championships - Class 3A(IL), 2015-03-28(#3) |
| B-4x800 | 17 | 8:10.95 | Boys Relay (St. Charles East, IL) | DGS Mustang Relays(IL), 2015-03-09(#10) |
| B-4x800 | 18 | 8:10.96 | Boys Relay (Hoffman Estates, IL) | Mid Suburban League Indoor Championships(IL), 2015-03-21(#3) |
| B-4x800 | 19 | 8:11.35 | Boys Relay (Plainfield South, IL) | DGS Mustang Relays(IL), 2015-03-09(#11) |
| | | National Elites above. State Elites below | | |
| B-4x800 | 20 | 8:13.04 | Boys Relay (Marmion Academy, IL) | Illinois Top Times Championships - Class 3A(IL), 2015-03-28(#4) |
| B-4x800 | 21 | 8:13.08 | Boys Relay (Highland, IL) | Illinois Top Times Championships - Class 2A(IL), 2015-03-28(#2) |
| B-4x800 | 22 | 8:13.32 | Boys Relay (St. Charles North, IL) | DGS Mustang Relays(IL), 2015-03-09(#12) |
| B-4x800 | 23 | 8:13.61 | Boys Relay (Johnsburg, IL) | Illinois Top Times Championships - Class 2A(IL), 2015-03-28(#3) |
| B-4x800 | 24 | 8:13.74 | Boys Relay (Oak Park-River Forest, IL) | WSC-Silver Boys Indoor Conference Meet(IL), 2015-03-21(#4) |
| B-4x800 | 25 | 8:13.90 | Boys Relay (Barrington, IL) | Rolling Meadows Boys Quad #3(IL), 2015-02-26(#1) |
| B-4x800 | 26 | 8:14.62 | Boys Relay (Niles North, IL) | Illinois Top Times Championships - Class 3A(IL), 2015-03-28(#6) |
| B-4x800 | 27 | 8:17.05 | Boys Relay (York Community, IL) | WSC-Silver Boys Indoor Conference Meet(IL), 2015-03-21(#5) |
| B-4x800 | 28 | 8:17.41 | Boys Relay (St. Ignatius, IL) | DGS Mustang Relays(IL), 2015-03-09(#14) |
| B-4x800 | 29 | 8:17.87 | Boys Relay (Lincoln-Way Central, IL) | Southwest Suburban Boys Indoor Conference Meet(IL), 2015-03-21(#2) |
| B-4x800 | 30 | 8:17.98 | Boys Relay (O'Fallon, IL) | Edwardsville Tiger Indoor Invitational(IL), 2015-03-13(#2) |
| B-4x800 | 31 | 8:18.05 | Boys Relay (Edwardsville, IL) | Edwardsville Tiger Indoor Invitational(IL), 2015-03-13(#3) |
| B-4x800 | 32 | 8:18.71 | Boys Relay (Geneva, IL) | DGS Mustang Relays(IL), 2015-03-09(#16) |
| B-4x800 | 33 | 8:19.65 | Boys Relay (Naperville North, IL) | DuPage Valley Boys Indoor Conference Meet(IL), 2015-03-20(#1) |
| B-4x800 | 33 | 8:19.65 | Boys Relay (Minooka Community, IL) | Lockport Boys Open(IL), 2015-02-28(#1) |
| B-4x800 | 35 | 8:20.83 | Boys Relay (Grayslake Central, IL) | Illinois Top Times Championships - Class 3A(IL), 2015-03-28(#8) |
| B-4x800 | 36 | 8:21.31 | Boys Relay (Plainfield North, IL) | Charleston EIU Boys Invitational - Large Schools(IL), 2015-03-21(#2) |
| B-4x800 | 37 | 8:21.35 | Boys Relay (Metamora, IL) | Illinois Top Times Championships - Class 2A(IL), 2015-03-28(#4) |
| B-4x800 | 38 | 8:21.41 | Boys Relay (Morton, IL) | WSC-Gold Boys Indoor Conference Meet(IL), 2015-03-20(#1) |
| B-4x800 | 39 | 8:21.47 | Boys Relay (Willowbrook, IL) | WSC-Gold Boys Indoor Conference Meet(IL), 2015-03-20(#2) |
| B-4x800 | 40 | 8:21.50 | Boys Relay (New Trier Township, IL) | Niles North Viking Relays(IL), 2015-02-27(#1) |
| B-4x800 | 41 | 8:21.55 | Boys Relay (Evanston Township, IL) | Dan Phillips Relays(IL), 2015-03-13(#1) |
| B-4x800 | 42 | 8:22.05 | Boys Relay (Tolono Unity, IL) | Charleston EIU Boys Invitational - Small Schools(IL), 2015-03-21(#1) |
| B-4x800 | 43 | 8:22.06 | Boys Relay (Burlington Central, IL) | Illinois Top Times Championships - Class 2A(IL), 2015-03-28(#5) |
| B-4x800 | 44 | 8:22.18 | Boys Relay (Rockford Christian, IL) | Nelson Daniels Invitational - Small Schools(WI), 2015-03-20(#1) |
| B-4x800 | 45 | 8:22.20 | Boys Relay (Huntley, IL) | Sycamore Boys Invitational(IL), 2015-03-11(#1) |
| B-4x800 | 46 | 8:22.41 | Boys Relay (Oswego East, IL) | Batavia Bulldog Relays(IL), 2015-03-26(#3) |
| B-4x800 | 47 | 8:22.50 | Boys Relay (Oswego, IL) | Illinois Top Times Championships - Class 3A(IL), 2015-03-28(#10) |
| B-4x800 | 48 | 8:22.90 | Boys Relay (Lincoln-Way North, IL) | Proviso East Midwest Classic(IL), 2015-03-28(#1) |
| B-4x800 | 49 | 8:23.02 | Boys Relay (Glenbard South, IL) | Proviso East Midwest Classic(IL), 2015-03-28(#2) |
| B-4x800 | 50 | 8:23.13 | Boys Relay (Sterling, IL) | Illinois Top Times Championships - Class 2A(IL), 2015-03-28(#6) |
| B-4x800 | 51 | 8:23.52 | Boys Relay (Warren Township, IL) | Lake Michigan Boys Invitational(WI), 2015-03-21(#1) |
| B-4x800 | 52 | 8:23.53 | Boys Relay (Sacred Heart-Griffin, IL) | Illinois Top Times Championships - Class 2A(IL), 2015-03-28(#7) |
| B-4x800 | 53 | 8:24.21 | Boys Relay (Lindblom College Preparatory, IL) | Illinois Top Times Championships - Class 2A(IL), 2015-03-28(#8) |
| B-4x800 | 54 | 8:24.27 | Boys Relay (Kaneland , IL) | DGS Mustang Relays(IL), 2015-03-09(#17) |
| B-4x800 | 55 | 8:25.69 | Boys Relay (Plainfield East, IL) | DGS Mustang Relays(IL), 2015-03-09(#18) |
| B-4x800 | 56 | 8:26.08 | Boys Relay (West Aurora, IL) | DGS Mustang Relays(IL), 2015-03-09(#19) |
| B-4x800 | 57 | 8:26.39 | Boys Relay (Conant, IL) | York Boys Invitational(IL), 2015-03-06(#3) |
| B-4x800 | 58 | 8:26.85 | Boys Relay (Shelbyville, IL) | Charleston EIU Boys Invitational - Small Schools(IL), 2015-03-21(#2) |
| B-4x800 | 59 | 8:27.21 | Boys Relay (Robinson, IL) | Illinois Top Times Championships - Class 1A(IL), 2015-03-27(#2) |
| B-4x800 | 60 | 8:27.29 | Boys Relay (Waubonsie Valley, IL) | Centennial Charger Classic(IL), 2015-03-07(#1) |
| B-4x800 | 61 | 8:27.83 | Boys Relay (Dunlap, IL) | Centennial Charger Classic(IL), 2015-03-07(#2) |
| B-4x800 | 62 | 8:28.12 | Boys Relay (Carlinville, IL) | Illinois Top Times Championships - Class 1A(IL), 2015-03-27(#3) |
| B-4x800 | 63 | 8:28.40 | Boys Relay (Vernon Hills, IL) | Glenbrook North Boys Open (IL), 2015-02-24(#1) |
| B-4x800 | 64 | 8:29.50 | Boys Relay (St. Joseph-Ogden, IL) | Illinois Top Times Championships - Class 1A(IL), 2015-03-27(#5) |
| B-4x800 | 65 | 8:29.79 | Boys Relay (Providence Catholic, IL) | Chicago Catholic League Indoor Championships(IL), 2015-03-21(#2) |
| B-4x800 | 66 | 8:30.41 | Boys Relay (Glenbard East, IL) | DGS Mustang Relays(IL), 2015-03-09(#21) |
| B-4x800 | 67 | 8:30.72 | Boys Relay (Belleville West, IL) | Centennial Charger Classic(IL), 2015-03-07(#4) |
| B-4x800 | 68 | 8:30.85 | Boys Relay (Monticello, IL) | Charleston EIU Boys Invitational - Large Schools(IL), 2015-03-21(#4) |
| B-4x800 | 69 | 8:30.90 | Boys Relay (Deerfield, IL) | Plainfield South Boys Invitational #1(IL), 2015-02-21(#1) |
| B-4x800 | 70 | 8:30.92 | Boys Relay (Payton College Preparatory, IL) | Nelson Daniels Classic - Large Schools(WI), 2015-03-21(#3) |
| B-4x800 | 71 | 8:31.18 | Boys Relay (Mahomet-Seymour, IL) | Normal West Boys Invitational(IL), 2015-02-28(#2) |
| B-4x800 | 72 | 8:31.62 | Boys Relay (Champaign Central, IL) | Big 12 Boys Indoor Conference Meet(IL), 2015-03-10(#1) |
| B-4x800 | 73 | 8:31.74 | Boys Relay (Saint Viator, IL) | Lake Michigan Boys Invitational(WI), 2015-03-21(#3) |
| B-4x800 | 74 | 8:31.78 | Boys Relay (Downers Grove South, IL) | DGS Mustang Relays(IL), 2015-03-09(#23) |
| B-4x800 | 75 | 8:32.56 | Boys Relay (Mundelein Cons, IL) | Lake Michigan Boys Invitational(WI), 2015-03-21(#4) |
| B-4x800 | 76 | 8:32.70 | Boys Relay (Palatine, IL) | Mid Suburban League Indoor Championships(IL), 2015-03-21(#5) |
| B-4x800 | 77 | 8:33.06 | Boys Relay (Hinsdale South, IL) | WSC-Gold Boys Indoor Conference Meet(IL), 2015-03-20(#3) |
| B-4x800 | 78 | 8:33.26 | Boys Relay (East St. Louis-Senior, IL) | Edwardsville Tiger Indoor Invitational(IL), 2015-03-13(#4) |
| B-4x800 | 79 | 8:33.86 | Boys Relay (Wheaton-Warrenville South, IL) | DuPage Valley Boys Indoor Conference Meet(IL), 2015-03-20(#2) |
| B-4x800 | 80 | 8:33.95 | Boys Relay (Springfield, IL) | Charleston EIU Boys Invitational - Large Schools(IL), 2015-03-21(#5) |
| B-4x800 | 81 | 8:34.31 | Boys Relay (Romeoville, IL) | Bolingbrook Fast Times Boys Invitational(IL), 2015-03-28(#1) |
| B-4x800 | 82 | 8:34.87 | Boys Relay (DeKalb, IL) | NIB-12 Indoor Conference Meet(IL), 2015-03-21(#2) |
| B-4x800 | 83 | 8:35.00 | Boys Relay (Highland Park, IL) | Deerfield / Highland Park Boys Dual (IL), 2015-03-14(#1) |
| B-4x800 | 84 | 8:35.01 | Boys Relay (Belleville East, IL) | Charleston EIU Boys Invitational - Large Schools(IL), 2015-03-21(#7) |
| B-4x800 | 85 | 8:36.01 | Boys Relay (McHenry, IL) | Lake Michigan Boys Invitational(WI), 2015-03-21(#6) |
| B-4x800 | 86 | 8:36.08 | Boys Relay (Belvidere North, IL) | NIC-10 Boys Indoor Conference Meet(IL), 2015-03-18(#1) |
| B-4x800 | 87 | 8:36.22 | Boys Relay (Bloom Township, IL) | DGS Mustang Relays(IL), 2015-03-09(#24) |
| B-4x800 | 88 | 8:36.28 | Boys Relay (Oak Lawn Comm, IL) | Argo Boys Open(IL), 2015-03-19(#1) |
| B-4x800 | 89 | 8:36.51 | Boys Relay (Waukegan , IL) | Dan Phillips Relays(IL), 2015-03-13(#3) |
| B-4x800 | 90 | 8:37.11 | Boys Relay (Fenton, IL) | Metro Suburban Boys Conference Meet(IL), 2015-03-17(#1) |
| B-4x800 | 91 | 8:37.25 | Boys Relay (University of Chicago Lab School, IL) | Chicago U-High Meet #3(IL), 2015-03-13(#2) |
| B-4x800 | 92 | 8:37.32 | Boys Relay (Cary-Grove Community, IL) | Nelson Daniels Classic - Large Schools(WI), 2015-03-21(#6) |
| B-4x800 | 93 | 8:37.64 | Boys Relay (Rochester, IL) | Jersey Winter Thaw Invitational(IL), 2015-03-14(#3) |
| B-4x800 | 94 | 8:38.00 | Boys Relay (Warren Township, IL) | Glenbrook South Boys Meet #3(IL), 2015-03-13(#1) |
| B-4x800 | 95 | 8:38.05 | Boys Relay (Hononegah, IL) | NIC-10 Boys Indoor Conference Meet(IL), 2015-03-18(#2) |
| B-4x800 | 96 | 8:38.12 | Boys Relay (Metea Valley, IL) | Upstate Eight Boys Indoor Conference Meet(IL), 2015-03-20(#4) |
| B-4x800 | 97 | 8:38.16 | Boys Relay (Harry D Jacobs, IL) | Fox Valley Boys Indoor Conference Meet(IL), 2015-03-18(#1) |
| B-4x800 | 98 | 8:38.50 | Boys Relay (Addison Trail, IL) | WSC-Gold Boys Indoor Conference Meet(IL), 2015-03-20(#4) |
| B-4x800 | 99 | 8:38.90 | Boys Relay (Lincoln-Way West, IL) | Lincoln-Way Central Co-Ed Invitational(IL), 2015-03-07(#3) |
| B-4x800 | 100 | 8:39.03 | Boys Relay (Crystal Lake South, IL) | Antioch D117 Invitational(IL), 2015-02-28(#4) |
| B-4x800 | 101 | 8:39.69 | Boys Relay (Normal Community West, IL) | Big 12 Boys Indoor Conference Meet(IL), 2015-03-10(#2) |
| B-4x800 | 102 | 8:39.73 | Boys Relay (Dwight, IL) | Illinois Top Times Championships - Class 1A(IL), 2015-03-27(#6) |
| B-4x800 | 103 | 8:39.84 | Boys Relay (Galesburg, IL) | Sterling First Chance Invitational(IL), 2015-03-14(#2) |
| B-4x800 | 104 | 8:39.99 | Boys Relay (Granite City, IL) | Homewood - Flossmoor Co-Ed Invitational(IL), 2015-03-07(#2) |
| B-4x800 | 105 | 8:40.41 | Boys Relay (Naperville Central, IL) | DuPage Valley Boys Indoor Conference Meet(IL), 2015-03-20(#3) |
| B-4x800 | 106 | 8:40.54 | Boys Relay (Marist, IL) | ICOPS Championships(IL), 2015-03-01(#3) |
| B-4x800 | 107 | 8:40.70 | Boys Relay (Tolono Unity, IL) | Urbana Uni Meet #3(IL), 2015-03-11(#1) |
| B-4x800 | 107 | 8:40.70 | Boys Relay (Normal University, IL) | Urbana Uni Meet #3(IL), 2015-03-11(#1) |
| B-4x800 | 109 | 8:41.00 | Boys Relay (Fremd, IL) | Glenbrook South Boys Meet #2(IL), 2015-02-20(#2) |
| B-4x800 | 110 | 8:41.09 | Boys Relay (Thornridge, IL) | Bolingbrook Fast Times Boys Invitational(IL), 2015-03-28(#2) |
| B-4x800 | 111 | 8:41.21 | Boys Relay (Taylorville, IL) | Charleston EIU Boys Invitational - Large Schools(IL), 2015-03-21(#10) |
| B-4x800 | 112 | 8:41.81 | Boys Relay (Plainfield Central, IL) | Bolingbrook Fast Times Boys Invitational(IL), 2015-03-28(#3) |
| B-4x800 | 113 | 8:41.88 | Boys Relay (Crystal Lake Central, IL) | Byron Indoor Classic(IL), 2015-03-21(#1) |
| B-4x800 | 114 | 8:42.42 | Boys Relay (Byron, IL) | Illinois Top Times Championships - Class 1A(IL), 2015-03-27(#8) |
| B-4x800 | 115 | 8:43.97 | Boys Relay (Dundee-Crown, IL) | Antioch D117 Invitational(IL), 2015-02-28(#5) |
| B-4x800 | 116 | 8:44.07 | Boys Relay (Lockport Township , IL) | Southwest Suburban Boys Indoor Conference Meet(IL), 2015-03-21(#4) |
| B-4x800 | 117 | 8:44.28 | Boys Relay (Grayslake North, IL) | Antioch D117 Invitational(IL), 2015-02-28(#6) |
| B-4x800 | 118 | 8:45.22 | Boys Relay (Chicago Christian, IL) | Metro Suburban Boys Conference Meet(IL), 2015-03-17(#2) |
| B-4x800 | 119 | 8:45.98 | Boys Relay (Rochelle, IL) | NIB-12 Indoor Conference Meet(IL), 2015-03-21(#3) |
| B-4x800 | 120 | 8:46.07 | Boys Relay (Nashville Comm, IL) | Charleston EIU Boys Invitational - Small Schools(IL), 2015-03-21(#5) |
| B-4x800 | 121 | 8:46.45 | Boys Relay (Moline, IL) | Sterling Indoor Invitational(IL), 2015-03-28(#1) |
| B-4x800 | 122 | 8:46.52 | Boys Relay (Benet Academy, IL) | ICOPS Championships(IL), 2015-03-01(#5) |
| B-4x800 | 123 | 8:46.78 | Boys Relay (Centralia, IL) | SIU Boys HS Invitational(IL), 2015-03-07(#3) |
| B-4x800 | 124 | 8:47.01 | Boys Relay (Joliet West, IL) | Joliet West Boys Invitational(IL), 2015-02-28(#3) |
| B-4x800 | 125 | 8:47.66 | Boys Relay (Sycamore, IL) | NIB-12 Indoor Conference Meet(IL), 2015-03-21(#4) |
| B-4x800 | 126 | 8:47.71 | Boys Relay (Mount Vernon, IL) | SIU Boys HS Invitational(IL), 2015-03-07(#4) |
| B-4x800 | 127 | 8:47.74 | Boys Relay (Glenbrook South, IL) | CSL-South Boys Indoor Conference Meet(IL), 2015-03-20(#3) |
| B-4x800 | 128 | 8:47.81 | Boys Relay (Homewood-Flossmoor, IL) | Southwest Suburban Boys Indoor Conference Meet(IL), 2015-03-21(#5) |
| B-4x800 | 129 | 8:47.89 | Boys Relay (Mattoon, IL) | Charleston EIU Boys Invitational - Large Schools(IL), 2015-03-21(#11) |
| B-4x800 | 130 | 8:47.98 | Boys Relay (Conant, IL) | Mid Suburban League Indoor Championships(IL), 2015-03-21(#6) |
| B-4x800 | 131 | 8:49.50 | Boys Relay (Winnebago, IL) | Sterling Newman Invitational(IL), 2015-03-06(#2) |
| B-4x800 | 132 | 8:49.57 | Boys Relay (Harlem, IL) | Byron Indoor Classic(IL), 2015-03-21(#2) |
| B-4x800 | 133 | 8:49.89 | Boys Relay (Aurora Central Catholic, IL) | Byron Indoor Classic(IL), 2015-03-21(#3) |
| B-4x800 | 134 | 8:50.00 | Boys Relay (Libertyville, IL) | Niles North Viking Relays(IL), 2015-02-27(#3) |
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