| Event | Rank | Mark | By | Meet |
| | | National Elites above. State Elites below | | |
| B-300H | 1 | 39.07 | Farr, Jalen (2013) (Tinley Park, IL) | IL 2A Thornridge Boys Sectional(IL), 2013-05-16(#2) |
| B-300H | 2 | 40.77 | Barnes, Adonis (2014) (Thornton Fractional North, IL) | IL 3A Homewood Flossmoor Boys Sectional(IL), 2013-05-16(#6) |
| B-300H | 3 | 40.85 | Nemo, Adarius (2015) (Oak Forest, IL) | IL 3A Downers Grove North Boys Sectional(IL), 2013-05-17(#6) |
| B-300H | 4 | 41.49 | Wheadon, Isaac (Reavis, IL) | IL 3A Lyons Township Boys Sectional(IL), 2013-05-17(#4) |
| B-300H | 5 | 41.61 | Venegas, Henry (2013) (Oak Forest, IL) | IL 3A Downers Grove North Boys Sectional(IL), 2013-05-17(#8) |
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| | | See more performances for B-300H | | |
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