| Event | Rank | Mark | By | Meet |
| B-4x400 | 1 | 3:25.09 | Boys Relay (Neuqua Valley, IL) (US#53) | Proviso West Boys Invitational(IL), 2015-02-28(#1) |
| B-4x400 | 2 | 3:25.16 | Boys Relay (Evanston Township, IL) (US#55) | Illinois Top Times Championships - Class 3A(IL), 2015-03-28(#1) |
| B-4x400 | 3 | 3:26.25 | Boys Relay (East St. Louis-Senior, IL) (US#75) | Charleston EIU Boys Invitational - Large Schools(IL), 2015-03-21(#2) |
| B-4x400 | 4 | 3:26.29 | Boys Relay (Homewood-Flossmoor, IL) (US#77) | Illinois Top Times Championships - Class 3A(IL), 2015-03-28(#2) |
| B-4x400 | 5 | 3:26.98 | Boys Relay (Plainfield Central, IL) (US#83) | Illinois Top Times Championships - Class 3A(IL), 2015-03-28(#3) |
| B-4x400 | 6 | 3:27.13 | Boys Relay (Lakes, IL) (US#85) | Lake Michigan Boys Invitational(WI), 2015-03-21(#1) |
| B-4x400 | 7 | 3:27.56 | Boys Relay (Minooka Community, IL) (US#94) | Illinois Top Times Championships - Class 3A(IL), 2015-03-28(#4) |
| | | National Elites above. State Elites below | | |
| B-4x400 | 8 | 3:28.74 | Boys Relay (Lyons Township, IL) | DGS Mustang Relays(IL), 2015-03-09(#2) |
| B-4x400 | 9 | 3:29.06 | Boys Relay (Grant Community, IL) | Lake Michigan Boys Invitational(WI), 2015-03-21(#3) |
| B-4x400 | 10 | 3:29.12 | Boys Relay (St. Charles East, IL) | DGS Mustang Relays(IL), 2015-03-09(#3) |
| B-4x400 | 11 | 3:29.21 | Boys Relay (Plainfield East, IL) | Illinois Top Times Championships - Class 3A(IL), 2015-03-28(#5) |
| B-4x400 | 12 | 3:29.62 | Boys Relay (Cary-Grove Community, IL) | Illinois Top Times Championships - Class 3A(IL), 2015-03-28(#6) |
| B-4x400 | 13 | 3:29.86 | Boys Relay (Oak Park-River Forest, IL) | WSC-Silver Boys Indoor Conference Meet(IL), 2015-03-21(#1) |
| B-4x400 | 14 | 3:30.44 | Boys Relay (Plainfield South, IL) | DGS Mustang Relays(IL), 2015-03-09(#5) |
| B-4x400 | 15 | 3:30.77 | Boys Relay (Bloomington, IL) | Illinois Top Times Championships - Class 3A(IL), 2015-03-28(#7) |
| B-4x400 | 16 | 3:30.99 | Boys Relay (Zion-Benton Twnshp, IL) | Proviso East Midwest Classic(IL), 2015-03-28(#1) |
| B-4x400 | 17 | 3:31.16 | Boys Relay (Lane Technical, IL) | DGS Mustang Relays(IL), 2015-03-09(#7) |
| B-4x400 | 18 | 3:31.46 | Boys Relay (Glenbard West, IL) | DGS Mustang Relays(IL), 2015-03-09(#8) |
| B-4x400 | 19 | 3:31.49 | Boys Relay (Belleville West, IL) | UK HS Invitational(KY), 2015-02-21(#10) |
| B-4x400 | 20 | 3:31.52 | Boys Relay (Collinsville, IL) | Edwardsville Tiger Indoor Invitational(IL), 2015-03-13(#2) |
| B-4x400 | 20 | 3:31.52 | Boys Relay (Thornton Township, IL) | Southwest Suburban Boys Indoor Conference Meet(IL), 2015-03-21(#2) |
| B-4x400 | 22 | 3:31.74 | Boys Relay (Belleville East, IL) | Edwardsville Tiger Indoor Invitational(IL), 2015-03-13(#3) |
| B-4x400 | 23 | 3:31.81 | Boys Relay (Metea Valley, IL) | DGS Mustang Relays(IL), 2015-03-09(#9) |
| B-4x400 | 24 | 3:31.99 | Boys Relay (Proviso West, IL) | WSC-Silver Boys Indoor Conference Meet(IL), 2015-03-21(#3) |
| B-4x400 | 25 | 3:32.00 | Boys Relay (Plainfield North, IL) | Plainfield South Boys Invitational #2(IL), 2015-03-14(#1) |
| B-4x400 | 26 | 3:32.11 | Boys Relay (Hinsdale Central, IL) | DGS Mustang Relays(IL), 2015-03-09(#10) |
| B-4x400 | 27 | 3:32.48 | Boys Relay (Wheaton North, IL) | DuPage Valley Boys Indoor Conference Meet(IL), 2015-03-20(#1) |
| B-4x400 | 28 | 3:32.52 | Boys Relay (Downers Grove North, IL) | DGS Mustang Relays(IL), 2015-03-09(#12) |
| B-4x400 | 29 | 3:32.53 | Boys Relay (Batavia, IL) | Batavia Bulldog Relays(IL), 2015-03-26 |
| B-4x400 | 30 | 3:32.88 | Boys Relay (Thornton Fractional North, IL) | Proviso East Midwest Classic(IL), 2015-03-28(#2) |
| B-4x400 | 31 | 3:33.16 | Boys Relay (Whitney Young, IL) | DGS Mustang Relays(IL), 2015-03-09(#13) |
| B-4x400 | 32 | 3:33.20 | Boys Relay (Bolingbrook, IL) | Southwest Suburban Boys Indoor Conference Meet(IL), 2015-03-21(#3) |
| B-4x400 | 33 | 3:33.86 | Boys Relay (Crete-Monee, IL) | Proviso East Midwest Classic(IL), 2015-03-28(#3) |
| B-4x400 | 34 | 3:33.99 | Boys Relay (Carl Sandburg, IL) | Southwest Suburban Boys Indoor Conference Meet(IL), 2015-03-21(#4) |
| B-4x400 | 35 | 3:34.10 | Boys Relay (Bloom Township, IL) | Gene Armer Invitational(IL), 2015-03-21(#2) |
| B-4x400 | 35 | 3:34.10 | Boys Relay (Leyden , IL) | Morton Boys Meet #2(IL), 2015-02-20(#1) |
| B-4x400 | 37 | 3:34.33 | Boys Relay (DeKalb, IL) | NIB-12 Indoor Conference Meet(IL), 2015-03-21(#1) |
| B-4x400 | 38 | 3:34.58 | Boys Relay (Prospect, IL) | Mid Suburban League Indoor Championships(IL), 2015-03-21(#1) |
| B-4x400 | 39 | 3:34.89 | Boys Relay (Barrington, IL) | Mid Suburban League Indoor Championships(IL), 2015-03-21(#2) |
| B-4x400 | 40 | 3:34.90 | Boys Relay (Edwardsville, IL) | Charleston EIU Boys Invitational - Large Schools(IL), 2015-03-21(#5) |
| B-4x400 | 41 | 3:34.99 | Boys Relay (Normal Community West, IL) | Charleston EIU Boys Invitational - Large Schools(IL), 2015-03-21(#6) |
| B-4x400 | 42 | 3:35.11 | Boys Relay (Wheaton-Warrenville South, IL) | DuPage Valley Boys Indoor Conference Meet(IL), 2015-03-20(#2) |
| B-4x400 | 43 | 3:35.24 | Boys Relay (York Community, IL) | York Boys Invitational(IL), 2015-03-06(#1) |
| B-4x400 | 44 | 3:35.48 | Boys Relay (Springfield, IL) | Jacksonville Large School Invitational(IL), 2015-03-06(#2) |
| B-4x400 | 45 | 3:35.72 | Boys Relay (Hoffman Estates, IL) | Mid Suburban League Indoor Championships(IL), 2015-03-21(#3) |
| B-4x400 | 46 | 3:35.87 | Boys Relay (Fremd, IL) | Mid Suburban League Indoor Championships(IL), 2015-03-21(#4) |
| B-4x400 | 47 | 3:35.99 | Boys Relay (Joliet Central, IL) | Bolingbrook Fast Times Boys Invitational(IL), 2015-03-28(#1) |
| B-4x400 | 48 | 3:36.44 | Boys Relay (Oswego, IL) | Gene Armer Invitational(IL), 2015-03-21(#5) |
| B-4x400 | 49 | 3:36.49 | Boys Relay (West Aurora, IL) | DGS Mustang Relays(IL), 2015-03-09(#15) |
| B-4x400 | 50 | 3:36.50 | Boys Relay (Oswego East, IL) | Batavia Bulldog Relays(IL), 2015-03-26 |
| B-4x400 | 51 | 3:36.86 | Boys Relay (Lake Park, IL) | Proviso West Boys Invitational(IL), 2015-02-28(#7) |
| B-4x400 | 52 | 3:36.96 | Boys Relay (Brother Rice, IL) | Chicago Catholic League Indoor Championships(IL), 2015-03-21(#2) |
| B-4x400 | 52 | 3:36.96 | Boys Relay (O'Fallon, IL) | Edwardsville Tiger Indoor Invitational(IL), 2015-03-13(#6) |
| B-4x400 | 54 | 3:37.19 | Boys Relay (Downers Grove South, IL) | DGS Mustang Relays(IL), 2015-03-09(#16) |
| B-4x400 | 55 | 3:37.20 | Boys Relay (Jones College Prep, IL) | Lake Michigan Boys Invitational(WI), 2015-03-21(#7) |
| B-4x400 | 56 | 3:37.26 | Boys Relay (Centennial, IL) | Big 12 Boys Indoor Conference Meet(IL), 2015-03-10(#2) |
| B-4x400 | 57 | 3:37.36 | Boys Relay (Lincoln-Way North, IL) | Proviso East Midwest Classic(IL), 2015-03-28(#6) |
| B-4x400 | 58 | 3:37.49 | Boys Relay (Niles North, IL) | DGS Mustang Relays(IL), 2015-03-09(#17) |
| B-4x400 | 59 | 3:37.77 | Boys Relay (Naperville Central, IL) | DGS Mustang Relays(IL), 2015-03-09(#18) |
| B-4x400 | 60 | 3:37.99 | Boys Relay (Glenbard North, IL) | DuPage Valley Boys Indoor Conference Meet(IL), 2015-03-20(#1) |
| B-4x400 | 60 | 3:37.99 | Boys Relay (Addison Trail, IL) | WSC-Gold Boys Indoor Conference Meet(IL), 2015-03-20(#1) |
| B-4x400 | 62 | 3:38.11 | Boys Relay (Glenbard East, IL) | DGS Mustang Relays(IL), 2015-03-09(#19) |
| B-4x400 | 63 | 3:38.22 | Boys Relay (Lake Forest, IL) | Batavia Bulldog Relays(IL), 2015-03-26 |
| B-4x400 | 64 | 3:38.27 | Boys Relay (Mundelein Cons, IL) | Lake Michigan Boys Invitational(WI), 2015-03-21(#9) |
| B-4x400 | 65 | 3:38.38 | Boys Relay (St. Charles North, IL) | Upstate Eight Boys Indoor Conference Meet(IL), 2015-03-20(#4) |
| B-4x400 | 66 | 3:38.43 | Boys Relay (Bartlett, IL) | Upstate Eight Boys Indoor Conference Meet(IL), 2015-03-20(#5) |
| B-4x400 | 67 | 3:38.50 | Boys Relay (Conant, IL) | Proviso West Boys Meet #3(IL), 2015-02-20(#1) |
| B-4x400 | 68 | 3:38.74 | Boys Relay (Providence Catholic, IL) | Chicago Catholic League Indoor Championships(IL), 2015-03-21(#3) |
| B-4x400 | 69 | 3:38.85 | Boys Relay (West Chicago, IL) | Upstate Eight Boys Indoor Conference Meet(IL), 2015-03-20(#6) |
| B-4x400 | 70 | 3:39.03 | Boys Relay (Shepard, IL) | Bolingbrook Fast Times Boys Invitational(IL), 2015-03-28(#3) |
| B-4x400 | 71 | 3:39.28 | Boys Relay (Auburn, IL) | Rockford Auburn Boys Indoor Invitational(IL), 2015-02-07(#2) |
| B-4x400 | 72 | 3:39.46 | Boys Relay (Geneva, IL) | Upstate Eight Boys Indoor Conference Meet(IL), 2015-03-20(#7) |
| B-4x400 | 73 | 3:39.52 | Boys Relay (Lockport Township , IL) | Southwest Suburban Boys Indoor Conference Meet(IL), 2015-03-21(#5) |
| B-4x400 | 74 | 3:39.70 | Boys Relay (Glenbrook North, IL) | CSL-North Boys Indoor Conference Meet(IL), 2015-03-20(#1) |
| B-4x400 | 75 | 3:39.81 | Boys Relay (Jefferson, IL) | Rockford Auburn Boys Indoor Invitational(IL), 2015-02-07(#3) |
| B-4x400 | 76 | 3:39.83 | Boys Relay (Marmion Academy, IL) | Gene Armer Invitational(IL), 2015-03-21(#11) |
| B-4x400 | 77 | 3:39.96 | Boys Relay (Buffalo Grove, IL) | Mid Suburban League Indoor Championships(IL), 2015-03-21(#5) |
| B-4x400 | 78 | 3:40.02 | Boys Relay (Galesburg, IL) | Rockford Auburn Boys Indoor Invitational(IL), 2015-02-07(#4) |
| B-4x400 | 79 | 3:40.16 | Boys Relay (Glenwood, IL) | Normal West Boys Invitational(IL), 2015-02-28(#5) |
| B-4x400 | 80 | 3:40.26 | Boys Relay (Proviso East, IL) | DGS Mustang Relays(IL), 2015-03-09(#21) |
| B-4x400 | 81 | 3:40.30 | Boys Relay (Palatine, IL) | Mid Suburban League Indoor Championships(IL), 2015-03-21(#6) |
| B-4x400 | 82 | 3:40.60 | Boys Relay (J Sterling Morton, IL) | Proviso East Boys Meet #2(IL), 2015-02-11(#1) |
| B-4x400 | 83 | 3:40.61 | Boys Relay (Rolling Meadows, IL) | Mid Suburban League Indoor Championships(IL), 2015-03-21(#7) |
| B-4x400 | 84 | 3:40.89 | Boys Relay (Harry D Jacobs, IL) | Fox Valley Boys Indoor Conference Meet(IL), 2015-03-18(#1) |
| B-4x400 | 85 | 3:40.95 | Boys Relay (Naperville North, IL) | Batavia Bulldog Relays(IL), 2015-03-26 |
| B-4x400 | 86 | 3:41.26 | Boys Relay (Waubonsie Valley, IL) | Upstate Eight Boys Indoor Conference Meet(IL), 2015-03-20(#10) |
| B-4x400 | 87 | 3:41.30 | Boys Relay (Yorkville, IL) | DGS Mustang Relays(IL), 2015-03-09(#25) |
| B-4x400 | 87 | 3:41.30 | Boys Relay (Maine East, IL) | CSL-North Boys Indoor Conference Meet(IL), 2015-03-20(#2) |
| B-4x400 | 89 | 3:41.41 | Boys Relay (St. Ignatius, IL) | DGS Mustang Relays(IL), 2015-03-09(#27) |
| B-4x400 | 90 | 3:41.71 | Boys Relay (New Trier Township, IL) | CSL-South Boys Indoor Conference Meet(IL), 2015-03-20(#2) |
| B-4x400 | 91 | 3:42.00 | Boys Relay (Deerfield, IL) | CSL-North Boys Indoor Conference Meet(IL), 2015-03-20(#3) |
| B-4x400 | 92 | 3:42.05 | Boys Relay (Warren Township, IL) | Lake Michigan Boys Invitational(WI), 2015-03-21(#13) |
| B-4x400 | 93 | 3:42.22 | Boys Relay (Conant, IL) | Mid Suburban League Indoor Championships(IL), 2015-03-21(#8) |
| B-4x400 | 94 | 3:42.40 | Boys Relay (Highland Park, IL) | CSL-North Boys Indoor Conference Meet(IL), 2015-03-20(#4) |
| B-4x400 | 95 | 3:42.52 | Boys Relay (Thornwood, IL) | Bolingbrook Fast Times Boys Invitational(IL), 2015-03-28(#4) |
| B-4x400 | 96 | 3:42.68 | Boys Relay (Willowbrook, IL) | WSC-Gold Boys Indoor Conference Meet(IL), 2015-03-20(#3) |
| B-4x400 | 97 | 3:42.71 | Boys Relay (Loyola Academy, IL) | ICOPS Championships(IL), 2015-03-01(#4) |
| B-4x400 | 98 | 3:42.80 | Boys Relay (Hononegah, IL) | Hononegah Boys Opener(IL), 2015-02-24(#1) |
| B-4x400 | 99 | 3:43.07 | Boys Relay (Normal Community, IL) | Gene Armer Invitational(IL), 2015-03-21(#14) |
| B-4x400 | 100 | 3:43.11 | Boys Relay (Niles West, IL) | CSL-South Boys Indoor Conference Meet(IL), 2015-03-20(#3) |
| B-4x400 | 101 | 3:43.27 | Boys Relay (Glenbrook South, IL) | CSL-South Boys Indoor Conference Meet(IL), 2015-03-20(#4) |
| B-4x400 | 102 | 3:43.32 | Boys Relay (Schaumburg, IL) | Mid Suburban League Indoor Championships(IL), 2015-03-21(#9) |
| B-4x400 | 103 | 3:43.35 | Boys Relay (Granite City, IL) | Edwardsville Tiger Indoor Invitational(IL), 2015-03-13(#11) |
| B-4x400 | 104 | 3:43.50 | Boys Relay (Payton College Preparatory, IL) | Nelson Daniels Classic - Large Schools(WI), 2015-03-21(#11) |
| B-4x400 | 104 | 3:43.50 | Boys Relay (Maine South, IL) | CSL-South Boys Indoor Conference Meet(IL), 2015-03-20(#5) |
| B-4x400 | 106 | 3:43.71 | Boys Relay (Libertyville, IL) | Lake Michigan Boys Invitational(WI), 2015-03-21(#16) |
| B-4x400 | 107 | 3:44.20 | Boys Relay (Lincoln-Way Central, IL) | Lincoln-Way Central Co-Ed Invitational(IL), 2015-03-07(#1) |
| B-4x400 | 108 | 3:44.26 | Boys Relay (Lincoln-Way Central, IL) | Homewood-Flossmoor Boys Quad #3(IL), 2015-03-10(#1) |
| B-4x400 | 109 | 3:44.28 | Boys Relay (Grayslake Central, IL) | Antioch D117 Invitational(IL), 2015-02-28(#2) |
| B-4x400 | 110 | 3:44.29 | Boys Relay (McHenry, IL) | Bergeson Co-Ed Invitational(IL), 2015-03-14(#3) |
| B-4x400 | 111 | 3:44.34 | Boys Relay (Riverside-Brookfield, IL) | Proviso East Midwest Classic(IL), 2015-03-28(#12) |
| B-4x400 | 112 | 3:44.53 | Boys Relay (Belvidere North, IL) | NIC-10 Boys Indoor Conference Meet(IL), 2015-03-18(#1) |
| B-4x400 | 113 | 3:44.70 | Boys Relay (John Hersey, IL) | Glenbrook South Boys Meet #2(IL), 2015-02-20(#1) |
| B-4x400 | 114 | 3:44.97 | Boys Relay (Wheeling, IL) | Mid Suburban League Indoor Championships(IL), 2015-03-21(#10) |
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