Event | Rank | Mark | By | Meet |
| | | National Elites above. State Elites below | | |
B-300H | 1 | 39.21 | Connor, Steven (2015) (Wheaton North, IL) | York Boys Invitational(IL), 2015-04-24(#1) |
B-300H | 2 | 39.62 | Penny, Jeff (2015) (Waubonsie Valley, IL) | IL 3A Plainfield North Boys Sectional(IL), 2015-05-21(#2) |
B-300H | 3 | 39.75 | Hilton, Kyle (2015) (Naperville Central, IL) | IL 3A Plainfield North Boys Sectional(IL), 2015-05-21(#3) |
B-300H | 4 | 40.28 | James, Jace (2017) (Glenbard North, IL) | Bob Cohoon Invitational(IL), 2015-04-24(#3) |
B-300H | 5 | 40.53 | Swanson, Alexander (2015) (Neuqua Valley, IL) | Bob Cohoon Invitational(IL), 2015-04-24(#5) |
B-300H | 6 | 40.98 | Kirkwood, Tyler (2016) (Waubonsie Valley, IL) | Red Ribbon Classic(IL), 2015-05-02(#4) |
B-300H | 7 | 41.01 | Swanson, Alex (2015) (Neuqua Valley, IL) | IL 3A Plainfield North Boys Sectional(IL), 2015-05-21(#7) |
B-300H | 8 | 41.02 | Leach, Noah (2015) (Wheaton North, IL) | DuPage Valley Boys Conference Meet(IL), 2015-05-15(#2) |
B-300H | 9 | 41.10 | Beard, Harrison (2015) (Naperville North, IL) | DuPage Valley Boys Conference Meet(IL), 2015-05-15(#3) |
B-300H | 10 | 41.24 | Miller, Paris (2017) (Glenbard North, IL) | IL 3A York Boys Sectional(IL), 2015-05-22(#7) |
B-300H | 11 | 41.25 | Riley, Jack (2016) (Wheaton North, IL) | IL 3A York Boys Sectional(IL), 2015-05-22(#8) |
B-300H | 12 | 41.41 | Sullivan, Liam (2015) (Neuqua Valley, IL) | IL 3A Northside Prep Boys Sectional(IL), 2015-05-22(#3) |
B-300H | 13 | 41.53 | Webb, Mitchell (2016) (Metea Valley, IL) | IL 3A West Aurora Boys Sectional(IL), 2015-05-21(#5) |
B-300H | 14 | 41.67 | Alappat, Haroun (2016) (Metea Valley, IL) | Upstate Eight Boys Conference Meet(IL), 2015-05-14(#7) |
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| | | See more performances for B-300H | | |