| Event | Rank | Mark | By | Meet |
| B-400 | 1 | 46.38 | Allen, Will (2016) (Paul Laurence Dunbar, KY) (US#9) | NB Outdoor Nationals(NC), 2015-06-21(#2) |
| B-400 | 2 | 46.77 | Allen, William (2016) (Bryan Station, KY) (US#19) | US Junior Nationals(OR), 2015-06-27(#4) |
| | | National Elites above. State Elites below | | |
| B-400 | 3 | 48.70 | Robinson, Davonte (2016) (Henry Clay, KY) | KY 3A State Meet(KY), 2015-05-23(#2) |
| B-400 | 4 | 49.38 | Veneman, Alex (2015) (Highlands, KY) | KY 2A State Meet(KY), 2015-05-23(#1) |
| B-400 | 5 | 49.45 | Holt, Landon (2016) (Caldwell County, KY) | KY 2A State Meet(KY), 2015-05-23(#2) |
| B-400 | 6 | 49.47 | Canada, C.J. (2015) (Dupont Manual, KY) | KY 3A Region 3(KY), 2015-05-09(#1) |
| B-400 | 7 | 49.58 | Gilcrease, Aaron (2015) (Trinity, KY) | KY 3A State Meet(KY), 2015-05-23(#3) |
| B-400 | 8 | 49.62 | Hepburn, Nathan (2015) (Whitefield Academy, KY) | KY 1A State Meet(KY), 2015-05-23(#1) |
| B-400 | 9 | 49.75 | Bowman, Cory (2016) (Louisville Male Traditional, KY) | KY 3A State Meet(KY), 2015-05-23(#4) |
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| | | See more performances for B-400 | | |
