Event | Rank | Mark | By | Meet |
| | | National Elites above. State Elites below | | |
B-400 | 1 | 50.56 | Anyiwo, Matt (2014) (Homewood-Flossmoor, IL) | Thornwood Boys Open(IL), 2014-03-01(#1) |
B-400 | 2 | 51.82 | Culpepper, Jordan (2014) (Homewood-Flossmoor, IL) | Arkansas HS Invitational(AR), 2014-01-18(#18) |
B-400 | 3 | 52.45 | Harris, Daniel (2014) (Bradley-Bourbonnais, IL) | Gene Armer Invitational(IL), 2014-03-22(#8) |
B-400 | 4 | 52.53 | Keenan, Colton (2014) (Lincoln-Way North, IL) | Gene Armer Invitational(IL), 2014-03-22(#9) |
B-400 | 5 | 52.75 | Solomon, Domonique (2016) (Joliet Central, IL) | Bolingbrook Fast Times Invitational(IL), 2014-03-22(#1) |
B-400 | 6 | 52.76 | Doherty, Conor (2014) (Lincoln-Way North, IL) | Proviso East Midwest Classic(IL), 2014-03-29(#4) |
B-400 | 7 | 53.14 | Simpson, Matthew (2015) (Homewood-Flossmoor, IL) | Arkansas HS Invitational(AR), 2014-01-18(#42) |
B-400 | 8 | 53.18 | Mitchell, Demitius (2015) (Thornton Township, IL) | Thornwood Boys Open(IL), 2014-03-01(#5) |
B-400 | 9 | 53.42 | Walkosz, Adrian (2014) (Lockport Township , IL) | Lockport Invitational(IL), 2014-03-22(#2) |
B-400 | 10 | 53.71 | Jancek, Jakub (2014) (Amos Alonzo Stagg, IL) | Gene Armer Invitational(IL), 2014-03-22(#10) |
B-400 | 11 | 53.79 | Hoover, Christian (2015) (Homewood-Flossmoor, IL) | Arkansas HS Invitational(AR), 2014-01-18(#49) |
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| | | See more performances for B-400 | | |