Event | Rank | Mark | By | Meet |
| | | National Elites above. State Elites below | | |
B-400 | 1 | 51.09 | Monigan, Jalon (2014) (Cahokia, IL) | SIU Boys HS Invitational(IL), 2014-03-08(#1) |
B-400 | 2 | 51.18 | Lyons, Tyran (2016) (Cahokia, IL) | Arkansas HS Invitational(AR), 2014-01-18(#14) |
B-400 | 3 | 51.62 | Landry, Tayvonne (2014) (Carbondale Comm, IL) | Illinois Top Times Championships - Class 2A(IL), 2014-03-29(#3) |
B-400 | 4 | 52.38 | Mcgee, Chris (2016) (Cahokia, IL) | SIU Boys HS Invitational(IL), 2014-03-08(#5) |
B-400 | 5 | 52.95 | Brady, Marlin (2014) (Cahokia, IL) | Arkansas HS Invitational(AR), 2014-01-18(#35) |
B-400 | 6 | 53.03 | Monigan, Michael (2014) (Cahokia, IL) | Arkansas HS Invitational(AR), 2014-01-18(#38) |
B-400 | 7 | 53.47 | Porter, Aaron (2017) (Marion, IL) | Charleston HS Boys Invitational - Large Schools(IL), 2014-03-22(#9) |
B-400 | 8 | 53.75 | Sherman, Drew (2015) (Centralia, IL) | Charleston HS Boys Invitational - Large Schools(IL), 2014-03-22(#10) |
B-400 | 9 | 53.87 | Johnson, Kalvin (2015) (Centralia, IL) | Uni Mini Meet #4(IL), 2014-03-19(#1) |
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| | | See more performances for B-400 | | |