| Event | Rank | Mark | By | Meet |
| B-1600 | 425 | 4:49.89 | Peterson, Simon (2016) (Glenbard West, IL) | WWS Boys Triangular(IL), 2015-03-12(#5) |
| B-1600 | 426 | 4:49.98 | Patejunas, Ralph (2016) (Maine South, IL) | Niles West Invitational(IL), 2015-03-06(#2) |
| B-1600 | 427 | 4:50.00 | Wagner, Nick (2016) (John Hersey, IL) | Proviso West Boys Meet #2(IL), 2015-02-13(#9) |
| B-1600 | 427 | 4:50.00 | Smith, Vance (2015) (Lyons Township, IL) | Lyons Township Boys Quad(IL), 2015-02-19(#3) |
| B-1600 | 427 | 4:50.00 | Griffith, Kyle (2017) (Lake Zurich, IL) | Wheeling Wildcat Relays(IL), 2015-02-28(#2) |
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| | | See more performances for B-1600 | | |
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