| Event | Rank | Mark | By | Meet |
| B-400H | 1 | 52.73 | Hulbert, Rashad (2012) (Crete-Monee, IL) (US#14) | USATF Ntl JO YM YW(MD), 2012-07-29(#3) |
| | | National Elites above. State Elites below | | |
| B-400H | 2 | 54.83 | Kohler, Brett (2012) (Wheaton North, IL) | USATF Ntl JO YM YW(MD), 2012-07-29(#9) |
| B-400H | 3 | 55.55 | Helmin, Andrew (2013) (Providence Catholic, IL) | USATF Region 7 Junior Olympics(IN), 2012-07-08(#3) |
| B-400H | 4 | 55.72 | Payton, Imani (2014) (North Lawndale Charter, IL) | USATF Region 7 Junior Olympics(IN), 2012-07-08(#4) |
| B-400H | 5 | 55.73 | Pierce, Joe (2014) (Lake Park, IL) | USATF Ntl JO IB IG(MD), 2012-07-28(#2) |
| B-400H | 6 | 55.74 | Mogorovic, Lino (2013) (Lyons Township, IL) | USATF Region 7 Junior Olympics(IN), 2012-07-08(#5) |
| B-400H | 7 | 55.90 | Manson, Jalil (2013) (Plainfield East, IL) | USATF Region 7 Junior Olympics(IN), 2012-07-08(#6) |
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| | | See more performances for B-400H | | |
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