| Event | Rank | Mark | By | Meet |
| | | National Elites above. State Elites below | | |
| B-400 | 1 | 50.18 | Robin, Chris (2015) ( Calvary Christian, FL) | Calvary Invitational(FL), 2015-03-06(#2) |
| B-400 | 2 | 50.80 | Wajd, Qaseem (2016) (Tampa Prep, FL) | Karl Flammer Ford Invitational(FL), 2015-03-26(#1) |
| B-400 | 3 | 51.18 | Earley, Elias (2015) (Carrollwood, FL) | Ed Wells Kiwanis Invitational(FL), 2015-03-13(#3) |
| B-400 | 4 | 51.63 | Warburton, Colvin (2016) (First Baptist, FL) | FL 1A Region 3(FL), 2015-04-23(#2) |
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| | | See more performances for B-400 | | |
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