| Event | Rank | Mark | By | Meet |
| | | National Elites above. State Elites below | | |
| B-400 | 1 | 48.54 | Simpkins, Steven (2016) (Maclay, FL) | AAU National Club Championships(FL), 2015-07-18(#3) |
| B-400 | 2 | 49.08 | Williams, George (2016) (Northwest Christian, FL) | FL 1A Region 4(FL), 2015-04-24(#1) |
| B-400 | 3 | 49.35 | Wert, Jeremy (2015) (Sneads, FL) | FL 1A Region 1(FL), 2015-04-24(#2) |
| B-400 | 4 | 49.44 | Durham, Jahquez (2016) (First Academy, FL) | Royal Invitational(FL), 2015-03-20(#1) |
| B-400 | 5 | 49.74 | Philpott, Christian (2015) (North Florida Christian, FL) | Larry Clark Invitational(GA), 2015-03-07(#1) |
| B-400 | 6 | 49.81 | Ashley, Timothy (2016) (North Florida Christian, FL) | FL 1A District 3(FL), 2015-04-16(#2) |
| B-400 | 7 | 49.87 | Scott, Gary (2015) (Trinity Christian, FL) | FL 2A Region 1(FL), 2015-04-21(#4) |
| B-400 | 8 | 50.03 | Stones, Michael (2015) (Windermere Prep, FL) | FL 1A State Meet(FL), 2015-05-01(#3) |
| B-400 | 9 | 50.18 | Robin, Chris (2015) ( Calvary Christian, FL) | Calvary Invitational(FL), 2015-03-06(#2) |
| B-400 | 10 | 50.57 | Timpson Jr., Michael (2015) (First Academy, FL) | Lake Brantley Invitational(FL), 2015-02-28(#6) |
| B-400 | 11 | 50.76 | Ludwig, Steven (2016) (Highlands Christian, FL) | FL 1A Region 4(FL), 2015-04-24(#2) |
| B-400 | 12 | 50.79 | Perry, Henry (2016) (Santa Fe Catholic, FL) | FL 1A Region 2(FL), 2015-04-23(#2) |
| B-400 | 13 | 50.80 | Wajd, Qaseem (2016) (Tampa Prep, FL) | Karl Flammer Ford Invitational(FL), 2015-03-26(#1) |
| B-400 | 14 | 51.00 | Gill, Jonathan (2017) (Doctor's Charter, FL) | FL 1A State Meet(FL), 2015-05-01(#6) |
| B-400 | 15 | 51.05 | Escobar, George (2016) (Maclay, FL) | FSU Relays - Friday(FL), 2015-03-26(#8) |
| B-400 | 16 | 51.17 | Prince, Jordan (2015) (Geneva School, FL) | FL 1A Region 2(FL), 2015-04-23(#3) |
| B-400 | 17 | 51.18 | Earley, Elias (2015) (Carrollwood, FL) | Ed Wells Kiwanis Invitational(FL), 2015-03-13(#3) |
| B-400 | 18 | 51.35 | Dickson, Jerrell (2016) (First Academy, FL) | Trinity Prep Developmental 2(FL), 2015-03-25(#1) |
| B-400 | 19 | 51.37 | Hines, Desmon (2015) (Liberty County, FL) | Bob Hayes Classic(FL), 2015-03-21(#16) |
| B-400 | 20 | 51.38 | Davis, Jaquis (2015) (Warner Christian, FL) | Royal Invitational(FL), 2015-03-20(#3) |
| B-400 | 21 | 51.62 | Carrie, Andrew (2015) (Westminster Academy, FL) | CCA Eagles Invitational(FL), 2015-03-13(#1) |
| B-400 | 22 | 51.63 | Warburton, Colvin (2016) (First Baptist, FL) | FL 1A Region 3(FL), 2015-04-23(#2) |
| B-400 | 23 | 51.64 | Shepherd, Daniel (2016) (King's Academy, FL) | Westminster Academy Home Meet 1(FL), 2015-02-28(#1) |
| B-400 | 24 | 51.67 | Wallace, Terrye (2015) (University Christian , FL) | FL 1A Region 1(FL), 2015-04-24(#4) |
| B-400 | 25 | 51.82 | Eyma, Elijah (2016) (Lake Mary Prep, FL) | FL 1A Region 2(FL), 2015-04-23(#5) |
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| | | See more performances for B-400 | | |
