Event | Rank | Mark | By | Meet |
| | | National Elites above. State Elites below | | |
B-300H | 1 | 39.32 | Galloway, Jaylen (2016) (Thornton Fractional North, IL) | IL 3A Homewood-Flossmoor Boys Sectional(IL), 2015-05-21(#1) |
B-300H | 2 | 40.01 | Arzu, Darien (2015) (Hillcrest, IL) | IL 2A Hillcrest Boys Sectional(IL), 2015-05-22(#1) |
B-300H | 3 | 41.13 | Kaczmarcyk, Mike (2017) (Shepard, IL) | Rolling Meadows Mustang Classic(IL), 2015-05-01(#1) |
B-300H | 4 | 41.30 | Lewis, Don (2015) (Evergreen Park, IL) | South Suburban Red Boys Conference Meet(IL), 2015-05-14(#1) |
B-300H | 5 | 41.47 | Carter, Neiko (Shepard, IL) | IL 3A Downers Grove South Boys Sectional(IL), 2015-05-22(#5) |
B-300H | 6 | 41.64 | Burke, Patrick (2016) (Oak Forest, IL) | IL 2A Hillcrest Boys Sectional(IL), 2015-05-22(#4) |
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| | | See more performances for B-300H | | |