| Event | Rank | Mark | By | Meet |
| | | National Elites above. State Elites below | | |
| B-400 | 104 | 53.28 | Davis, Jaelen (2016) (De La Salle Institute, IL) | Chicago Catholic League Indoor Championships(IL), 2015-03-21(#5) |
| B-400 | 105 | 53.29 | Smith, Martin (Naperville North, IL) | DuPage Valley Boys Indoor Conference Meet(IL), 2015-03-20(#4) |
| B-400 | 106 | 53.31 | Hoover, Christian (2015) (Homewood-Flossmoor, IL) | Homewood-Flossmoor Boys Quad #2(IL), 2015-02-21(#1) |
| B-400 | 107 | 53.36 | Agee, Jacobi (2016) (Bloom Township, IL) | Proviso East Midwest Classic(IL), 2015-03-28(#6) |
| B-400 | 108 | 53.39 | Bello, Anthony (2016) (Homewood-Flossmoor, IL) | Homewood-Flossmoor Boys Quad #2(IL), 2015-02-21(#2) |
| B-400 | 109 | 53.40 | Bauer, Chris (Urbana University, IL) | Urbana Uni Meet #4(IL), 2015-03-18(#1) |
| B-400 | 110 | 53.41 | Immke, Josh (2015) (Normal Community West, IL) | Normal West Boys Invitational(IL), 2015-02-28(#4) |
| B-400 | 111 | 53.44 | Session, William (2016) (Belleville East, IL) | Charleston EIU Boys Invitational - Large Schools(IL), 2015-03-21(#7) |
| B-400 | 111 | 53.44 | O'Donnell, Brendan (2016) (Huntley, IL) | Sycamore Boys Invitational(IL), 2015-03-11(#1) |
| B-400 | 113 | 53.46 | Stine, Connor (2015) (Olympia, IL) | Normal West Boys Invitational(IL), 2015-02-28(#5) |
| B-400 | 114 | 53.48 | Cook, Disaun (2015) (Morton, IL) | WSC-Gold Boys Indoor Conference Meet(IL), 2015-03-20(#5) |
| B-400 | 115 | 53.50 | Riggs, Grant (2015) (Highland, IL) | Jersey Winter Thaw Invitational(IL), 2015-03-14(#2) |
| B-400 | 116 | 53.52 | Elms, Nick (2016) (Conant, IL) | Mid Suburban League Indoor Championships(IL), 2015-03-21(#4) |
| B-400 | 116 | 53.52 | Carthen, Jerry (2015) (Clark, IL) | CPS Indoor Meet - Group C(IL), 2015-03-22(#1) |
| B-400 | 116 | 53.52 | Taylor, Mike (2018) (Downers Grove North, IL) | WSC-Silver Boys Indoor Conference Meet(IL), 2015-03-21(#1) |
| B-400 | 119 | 53.56 | Strode, Tyler (2015) (Lanphier, IL) | Normal West Boys Invitational(IL), 2015-02-28(#6) |
| B-400 | 119 | 53.56 | Pointer, Colfay (2016) (Rochelle, IL) | NIB-12 Indoor Conference Meet(IL), 2015-03-21(#2) |
| B-400 | 121 | 53.57 | Crim, Corbin (2016) (Harrisburg, IL) | UK HS Invitational(KY), 2015-02-21(#29) |
| B-400 | 122 | 53.58 | Rieke, Jaxon (2015) (Eureka, IL) | Illinois Top Times Championships - Class 1A(IL), 2015-03-27(#5) |
| B-400 | 122 | 53.58 | Gage, Brandon (2017) (Oak Park-River Forest, IL) | WSC-Silver Boys Indoor Conference Meet(IL), 2015-03-21(#1) |
| B-400 | 124 | 53.61 | Hardaway, Nate (Cahokia, IL) | Arkansas HS Invitational(AR), 2015-01-17(#66) |
| B-400 | 125 | 53.67 | Mogorovic, Jakob (2016) (Lyons Township, IL) | WSC-Silver Boys Indoor Conference Meet(IL), 2015-03-21(#3) |
| B-400 | 125 | 53.67 | Rinaldi, Phil (2016) (Lincoln-Way Central, IL) | Southwest Suburban Boys Indoor Conference Meet(IL), 2015-03-21(#8) |
| B-400 | 127 | 53.68 | Hagene, Kyle (2016) (Sparta, IL) | Illinois Top Times Championships - Class 1A(IL), 2015-03-27(#6) |
| B-400 | 127 | 53.68 | Perry, Rene (2015) (Edwardsville, IL) | Centennial Charger Classic(IL), 2015-03-07(#7) |
| B-400 | 129 | 53.71 | Magee, Arnold (2015) (Waukegan , IL) | Antioch D117 Invitational(IL), 2015-02-28(#3) |
| B-400 | 129 | 53.71 | Durousseau, Xaviaer (2015) (Pontiac, IL) | Jacksonville Large School Invitational(IL), 2015-03-06(#2) |
| B-400 | 131 | 53.74 | Rustay, Declan (2018) (Hoffman Estates, IL) | Mid Suburban League Indoor Championships(IL), 2015-03-21(#5) |
| B-400 | 132 | 53.78 | Mcmarrow, Charles (2017) (Batavia, IL) | Upstate Eight Boys Indoor Conference Meet(IL), 2015-03-20(#8) |
| B-400 | 133 | 53.79 | Mcginnis, Jack (Downers Grove North, IL) | WSC-Silver Boys Indoor Conference Meet(IL), 2015-03-21(#4) |
| B-400 | 134 | 53.80 | Cornwell, Dylan (2017) (Cahokia, IL) | SIU Boys HS Invitational(IL), 2015-03-07(#6) |
| B-400 | 134 | 53.80 | Hemmen, Tyler (2015) (Argenta-Oreana, IL) | Urbana Uni Meet #4(IL), 2015-03-18(#2) |
| B-400 | 136 | 53.81 | Peifer, Brett (2015) (Shelbyville, IL) | Charleston EIU Boys Invitational - Small Schools(IL), 2015-03-21(#1) |
| B-400 | 137 | 53.82 | Echols, Cj (Centennial, IL) | Charleston EIU Boys Invitational - Large Schools(IL), 2015-03-21(#8) |
| B-400 | 137 | 53.82 | Eisenmenger, Getch (2016) (Tolono Unity, IL) | Urbana Uni Meet #4(IL), 2015-03-18(#3) |
| B-400 | 137 | 53.82 | Skowronski, Ryan (2018) (Shelbyville, IL) | Jersey Winter Thaw Invitational(IL), 2015-03-14(#3) |
| B-400 | 140 | 53.83 | Santoro, Arthur (2017) (Jones College Prep, IL) | Chicago U-High Meet #3(IL), 2015-03-13(#2) |
| B-400 | 141 | 53.87 | Marszewski, Andrew (Downers Grove North, IL) | WSC-Silver Boys Indoor Conference Meet(IL), 2015-03-21(#2) |
| B-400 | 141 | 53.87 | Carlisle, Jeremy (2015) (Fenwick, IL) | Chicago Catholic League Indoor Championships(IL), 2015-03-21(#6) |
| B-400 | 141 | 53.87 | Smith, Baron (2015) (West Aurora, IL) | Upstate Eight Boys Indoor Conference Meet(IL), 2015-03-20(#9) |
| B-400 | 144 | 53.88 | Freeman, Tyran (2015) (John Hope College Prep, IL) | CPS Indoor Meet - Group C(IL), 2015-03-22(#2) |
| B-400 | 144 | 53.88 | Howard, Dillon (2017) (Cumberland, IL) | Illinois Top Times Championships - Class 1A(IL), 2015-03-27(#7) |
| B-400 | 146 | 53.89 | Triplett, Nick (2017) (Lindblom College Preparatory, IL) | CPS Indoor Meet - Group B(IL), 2015-03-22(#3) |
| B-400 | 147 | 53.92 | Drees, Riley (2015) (Teutopolis, IL) | Illinois Top Times Championships - Class 1A(IL), 2015-03-27(#8) |
| B-400 | 148 | 53.94 | Billingsley, Charles (2015) (Bulls College Prep, IL) | CPS Indoor Meet - Group C(IL), 2015-03-22(#3) |
| B-400 | 149 | 53.95 | Weaver, Zach (2015) (McHenry, IL) | Illinois Top Times Championships - Class 1A(IL), 2015-03-27(#10) |
| B-400 | 150 | 53.96 | Protsiv, Mark (2015) (Jones College Prep, IL) | Chicago U-High Meet #3(IL), 2015-03-13(#3) |
| B-400 | 151 | 53.97 | Abrahm, Dan (2016) (Lockport Township , IL) | Homewood - Flossmoor Co-Ed Invitational(IL), 2015-03-07(#4) |
| B-400 | 151 | 53.97 | Brown, Jibreel (2016) (Carl Sandburg, IL) | Southwest Suburban Boys Indoor Conference Meet(IL), 2015-03-21(#9) |
| B-400 | 153 | 53.98 | Deal, Austin (2016) (Plainfield South, IL) | AAU Northern Indoor Championships(IL), 2015-01-18(#6) |
| B-400 | 153 | 53.98 | Harris, Demoria (2015) (Dunbar Vocational Academy, IL) | DeLaSalle Presidents Day Classic(IL), 2015-02-15(#1) |
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| | | See more performances for B-400 | | |
