| Event | Rank | Mark | By | Meet |
| B-400 | 1 | 50.12 | Hertz, Cory (2015) (Lakes, IL) | Illinois Top Times Championships - Class 3A(IL), 2014-03-29(#2) |
| | | National Elites above. State Elites below | | |
| B-400 | 2 | 52.63 | Edwards, Michael (2016) (Zion-Benton Twnshp, IL) | Proviso East Midwest Classic(IL), 2014-03-29(#3) |
| B-400 | 3 | 53.40 | Brady, Reese (2014) (Warren Township, IL) | Lake Michigan Boys Invitational(WI), 2014-03-22(#7) |
| B-400 | 4 | 53.96 | Flores, Julian (2014) (Warren Township, IL) | Lake Michigan Boys Invitational(WI), 2014-03-22(#10) |
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| | | See more performances for B-400 | | |
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