| Event | Rank | Mark | By | Meet |
| | | National Elites above. State Elites below | | |
| B-400 | 1 | 49.08 | Williams, George (2016) (Northwest Christian, FL) | FL 1A Region 4(FL), 2015-04-24(#1) |
| B-400 | 2 | 50.76 | Ludwig, Steven (2016) (Highlands Christian, FL) | FL 1A Region 4(FL), 2015-04-24(#2) |
| B-400 | 3 | 51.00 | Gill, Jonathan (2017) (Doctor's Charter, FL) | FL 1A State Meet(FL), 2015-05-01(#6) |
| B-400 | 4 | 51.62 | Carrie, Andrew (2015) (Westminster Academy, FL) | CCA Eagles Invitational(FL), 2015-03-13(#1) |
| B-400 | 5 | 51.64 | Shepherd, Daniel (2016) (King's Academy, FL) | Westminster Academy Home Meet 1(FL), 2015-02-28(#1) |
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| | | See more performances for B-400 | | |
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