| Event | Rank | Mark | By | Meet |
| | | National Elites above. State Elites below | | |
| B-400 | 1 | 51.65 | LaFayette, J.D. (2014) (Normal University, IL) | Gene Armer Invitational(IL), 2014-03-22(#3) |
| B-400 | 2 | 51.77 | Charlton, Brett (2015) (Eureka, IL) | Illinois Top Times Championships - Class 1A(IL), 2014-03-28(#2) |
| B-400 | 3 | 53.72 | Stine, Connor (2015) (Olympia, IL) | Illinois State HS Invitational(IL), 2014-03-08(#5) |
| B-400 | 4 | 53.86 | Worby, Bryan (2015) (Pontiac, IL) | Jacksonville Large School Invitational(IL), 2014-03-07(#2) |
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| | | See more performances for B-400 | | |
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