| Event | Rank | Mark | By | Meet |
| B-4x100 | 1 | 41.12 | Boys Relay (Cahokia, IL) (US#21) | IL 2A Boys State Finals(IL), 2015-05-30(#1) |
| B-4x100 | 2 | 41.46 | Boys Relay (Phillips Academy, IL) (US#60) | IL 2A Boys State Finals(IL), 2015-05-30(#2) |
| | | National Elites above. State Elites below | | |
| B-4x100 | 3 | 42.01 | Boys Relay (Evergreen Park, IL) | IL 2A Boys State Finals(IL), 2015-05-30(#4) |
| B-4x100 | 4 | 42.24 | Boys Relay (Dunbar Vocational Academy, IL) | IL 3A Boys State Prelims(IL), 2015-05-29(#10) |
| B-4x100 | 5 | 42.57 | Boys Relay (Triad, IL) | IL 2A Boys State Prelims(IL), 2015-05-29(#5) |
| B-4x100 | 6 | 42.70 | Boys Relay (Tolono Unity, IL) | IL 1A Boys State Prelims(IL), 2015-05-28(#1) |
| B-4x100 | 7 | 42.75 | Boys Relay (Mt. Carmel, IL) | IL 2A Robeson Boys Sectional(IL), 2015-05-21(#2) |
| B-4x100 | 8 | 42.85 | Boys Relay (Highland, IL) | IL 2A Lanphier Boys Sectional(IL), 2015-05-22(#1) |
| B-4x100 | 9 | 42.86 | Boys Relay (Rich Central, IL) | Thornton Township Classic(IL), 2015-05-09(#3) |
| B-4x100 | 10 | 42.87 | Boys Relay (Sycamore, IL) | IL 2A Sterling Boys Sectional(IL), 2015-05-22(#1) |
| B-4x100 | 11 | 42.93 | Boys Relay (Hillcrest, IL) | IL 2A Hillcrest Boys Sectional(IL), 2015-05-22(#1) |
| B-4x100 | 12 | 42.96 | Boys Relay (Freeport, IL) | IL 2A Sterling Boys Sectional(IL), 2015-05-22(#2) |
| B-4x100 | 13 | 42.99 | Boys Relay (Kaneland , IL) | IL 2A Sterling Boys Sectional(IL), 2015-05-22(#3) |
| B-4x100 | 14 | 43.04 | Boys Relay (Dixon, IL) | IL 2A Sterling Boys Sectional(IL), 2015-05-22(#4) |
| B-4x100 | 15 | 43.19 | Boys Relay (Vernon Hills, IL) | IL 2A Boys State Prelims(IL), 2015-05-29(#12) |
| B-4x100 | 16 | 43.21 | Boys Relay (Normal University, IL) | IL 2A Macomb Boys Sectional(IL), 2015-05-21(#2) |
| B-4x100 | 17 | 43.23 | Boys Relay (Harrisburg, IL) | IL 2A Boys State Prelims(IL), 2015-05-29(#13) |
| B-4x100 | 18 | 43.30 | Boys Relay (Champaign Central, IL) | IL 2A Boys State Prelims(IL), 2015-05-29(#15) |
| B-4x100 | 19 | 43.40 | Boys Relay (Springfield Southeast, IL) | Springfield Boys City Meet(IL), 2015-05-05(#2) |
| B-4x100 | 20 | 43.41 | Boys Relay (Pontiac, IL) | IL 2A LaSalle-Peru Boys Sectional(IL), 2015-05-22(#1) |
| B-4x100 | 21 | 43.45 | Boys Relay (Sacred Heart-Griffin, IL) | Springfield Boys City Meet(IL), 2015-05-05(#3) |
| B-4x100 | 22 | 43.47 | Boys Relay (Rochester, IL) | IL 2A Lanphier Boys Sectional(IL), 2015-05-22(#3) |
| B-4x100 | 23 | 43.49 | Boys Relay (North Lawndale Charter, IL) | IL 2A Boys State Prelims(IL), 2015-05-29(#17) |
| B-4x100 | 23 | 43.49 | Boys Relay (Jacksonville, IL) | IL 2A Lanphier Boys Sectional(IL), 2015-05-22(#4) |
| B-4x100 | 25 | 43.50 | Boys Relay (Ridgewood Comm, IL) | IL 2A Fenwick Boys Sectional(IL), 2015-05-21(#2) |
| B-4x100 | 26 | 43.57 | Boys Relay (Mendota, IL) | IL 2A LaSalle-Peru Boys Sectional(IL), 2015-05-22(#2) |
| B-4x100 | 27 | 43.58 | Boys Relay (Metamora, IL) | IL 2A Macomb Boys Sectional(IL), 2015-05-21(#3) |
| B-4x100 | 28 | 43.59 | Boys Relay (Mascoutah, IL) | Mississippi Valley Boys Conference Meet(IL), 2015-05-13(#2) |
| B-4x100 | 29 | 43.62 | Boys Relay (Lanphier, IL) | IL 2A Lanphier Boys Sectional(IL), 2015-05-22(#5) |
| B-4x100 | 30 | 43.70 | Boys Relay (Burlington Central, IL) | Mike VanDeever Invitational(IL), 2015-04-18(#1) |
| B-4x100 | 31 | 43.71 | Boys Relay (Mattoon, IL) | IL 2A Boys State Prelims(IL), 2015-05-29(#19) |
| B-4x100 | 32 | 43.77 | Boys Relay (St. Rita, IL) | Jim Arnold Classic(IL), 2015-05-02(#6) |
| B-4x100 | 33 | 43.81 | Boys Relay (Thornridge, IL) | IL 2A Hillcrest Boys Sectional(IL), 2015-05-22(#3) |
| B-4x100 | 33 | 43.81 | Boys Relay (Rich East , IL) | IL 2A Hillcrest Boys Sectional(IL), 2015-05-22(#3) |
| B-4x100 | 35 | 43.88 | Boys Relay (Plano, IL) | IL 2A LaSalle-Peru Boys Sectional(IL), 2015-05-22(#3) |
| B-4x100 | 36 | 43.90 | Boys Relay (Erie-Prophetstown, IL) | IL 2A Sterling Boys Sectional(IL), 2015-05-22(#5) |
| B-4x100 | 37 | 43.94 | Boys Relay (Montini Catholic, IL) | Gary Johnson Bulldog Relays(IL), 2015-04-11(#4) |
| B-4x100 | 38 | 43.95 | Boys Relay (Reed-Custer, IL) | IL 1A Seneca Boys Sectional(IL), 2015-05-22(#1) |
| B-4x100 | 39 | 43.99 | Boys Relay (Morgan Park, IL) | CPS Boys Varsity Trials(IL), 2015-05-06(#3) |
| B-4x100 | 40 | 44.02 | Boys Relay (Rantoul, IL) | Okaw Valley Boys Conference Meet(IL), 2015-05-12(#3) |
| B-4x100 | 41 | 44.04 | Boys Relay (Princeton, IL) | IL 2A LaSalle-Peru Boys Sectional(IL), 2015-05-22(#4) |
| B-4x100 | 42 | 44.06 | Boys Relay (Marian Catholic, IL) | IL 2A Hillcrest Boys Sectional(IL), 2015-05-22(#5) |
| B-4x100 | 42 | 44.06 | Boys Relay (Canton, IL) | PJS Honor Roll Meet(IL), 2015-05-26(#1) |
| B-4x100 | 44 | 44.12 | Boys Relay (Urban Prep Englewood, IL) | IL 2A Robeson Boys Sectional(IL), 2015-05-21(#3) |
| B-4x100 | 45 | 44.16 | Boys Relay (Johnsburg, IL) | IL 2A Boys State Prelims(IL), 2015-05-29(#24) |
| B-4x100 | 46 | 44.18 | Boys Relay (Pecatonica, IL) | IL 1A Byron Boys Sectional(IL), 2015-05-22(#2) |
| B-4x100 | 47 | 44.19 | Boys Relay (Dunlap, IL) | Dunlap Co-Ed Relays(IL), 2015-01-01(#2) |
| B-4x100 | 48 | 44.22 | Boys Relay (Johnson College Prep, IL) | CPS Boys Varsity Trials(IL), 2015-05-06(#6) |
| B-4x100 | 49 | 44.26 | Boys Relay (Urbana, IL) | IL 2A Mattoon Boys Sectional(IL), 2015-05-21(#5) |
| B-4x100 | 50 | 44.28 | Boys Relay (Roxana, IL) | IL 2A Lanphier Boys Sectional(IL), 2015-05-22(#6) |
| B-4x100 | 51 | 44.37 | Boys Relay (MacArthur, IL) | IL 2A Mattoon Boys Sectional(IL), 2015-05-21(#6) |
| B-4x100 | 51 | 44.37 | Boys Relay (Illinois Valley Central, IL) | Roger Washburn Invitational(IL), 2015-05-01(#2) |
| B-4x100 | 53 | 44.50 | Boys Relay (Tinley Park, IL) | IL 2A Hillcrest Boys Sectional(IL), 2015-05-22(#6) |
| B-4x100 | 54 | 44.51 | Boys Relay (Manual, IL) | Lanphier Boys Open(IL), 2015-04-11(#1) |
| B-4x100 | 55 | 44.52 | Boys Relay (Carmel Catholic, IL) | IL 2A Richmond-Burton Boys Sectional(IL), 2015-05-22(#3) |
| B-4x100 | 56 | 44.57 | Boys Relay (King, IL) | IL 2A Robeson Boys Sectional(IL), 2015-05-21(#6) |
| B-4x100 | 57 | 44.58 | Boys Relay (Glenbard South, IL) | IL 2A Fenwick Boys Sectional(IL), 2015-05-21(#3) |
| B-4x100 | 58 | 44.60 | Boys Relay (Mount Vernon, IL) | Mascoutah Boys Military Classic(IL), 2015-04-24(#4) |
| B-4x100 | 59 | 44.61 | Boys Relay (Carbondale Comm, IL) | South Seven Boys Conference Meet(IL), 2015-05-15(#2) |
| B-4x100 | 60 | 44.65 | Boys Relay (Robeson, IL) | CPS Boys Varsity Trials(IL), 2015-05-06(#8) |
| B-4x100 | 61 | 44.74 | Boys Relay (Nazareth Academy, IL) | IL 2A Fenwick Boys Sectional(IL), 2015-05-21(#4) |
| B-4x100 | 62 | 44.77 | Boys Relay (Lisle, IL) | IL 1A Lisle Boys Sectional(IL), 2015-05-22(#4) |
| B-4x100 | 63 | 44.78 | Boys Relay (Sterling, IL) | IL 2A Sterling Boys Sectional(IL), 2015-05-22(#8) |
| B-4x100 | 64 | 44.85 | Boys Relay (Harvard, IL) | IL 2A Richmond-Burton Boys Sectional(IL), 2015-05-22(#4) |
| B-4x100 | 65 | 44.90 | Boys Relay (Herrin, IL) | Southern Illinois River to River Boys Conference Meet(IL), 2015-05-14(#2) |
| B-4x100 | 66 | 44.91 | Boys Relay (Antioch, IL) | IL 2A Richmond-Burton Boys Sectional(IL), 2015-05-22(#5) |
| B-4x100 | 67 | 44.92 | Boys Relay (Genoa-Kingston, IL) | IL 2A Sterling Boys Sectional(IL), 2015-05-22(#9) |
| B-4x100 | 67 | 44.92 | Boys Relay (Columbia, IL) | Cahokia Conference Championships(IL), 2015-05-06(#2) |
| B-4x100 | 67 | 44.92 | Boys Relay (Mt. Zion, IL) | St. Joseph-Ogden Spartan Classic(IL), 2015-05-01(#5) |
| B-4x100 | 70 | 44.93 | Boys Relay (Peoria, IL) | Metamora / Peoria Boys Dual(IL), 2015-04-02(#2) |
| B-4x100 | 71 | 44.94 | Boys Relay (Benton, IL) | Southern Illinois River to River Boys Conference Meet(IL), 2015-05-14(#3) |
| B-4x100 | 72 | 44.98 | Boys Relay (Woodstock North, IL) | IL 2A Richmond-Burton Boys Sectional(IL), 2015-05-22(#6) |
| B-4x100 | 73 | 44.99 | Boys Relay (Elmwood Park, IL) | IL 2A Fenwick Boys Sectional(IL), 2015-05-21(#5) |
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