| Event | Rank | Mark | By | Meet |
| B-Mile | 1 | 4:09.48 | Pollard, Thomas (2015) (Gilbert, IA) (US#25) | Nike Festival of Miles(MO), 2015-06-04(#2) |
| B-Mile | 2 | 4:10.80 | Schweizer, Ryan (2016) (Dowling Catholic, IA) (US#36) | Nike Festival of Miles(MO), 2015-06-04(#4) |
| | | National Elites above. State Elites below | | |
| B-Mile | 3 | 4:20.68 | Sommer, Karson (2016) (Pleasant Valley, IA) | Nike Festival of Miles(MO), 2015-06-04(#11) |
| B-Mile | 4 | 4:26.21 | Murphy, Ryan (2017) (Linn-Mar, IA) | Wisco Mile(WI), 2015-06-10(#15) |
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| | | See more performances for B-Mile | | |
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