| Event | Rank | Mark | By | Meet |
| B-400 | 1 | 46.90 | Smith, Jamari (2015) (Dr. Phillips, FL) (US#23) | FL 4A State Meet(FL), 2015-05-02(#2) |
| B-400 | 2 | 48.17 | Hollis, Kyren (2015) (Olympia, FL) | Bob Hayes Classic(FL), 2015-03-21(#1) |
| | | National Elites above. State Elites below | | |
| B-400 | 3 | 48.41 | Simmons, Akeem (2015) (Colonial, FL) | FL 4A Region 1(FL), 2015-04-23(#2) |
| B-400 | 4 | 48.59 | Halliday, Zachary (2016) (Lake Brantley, FL) | FL 4A Region 1(FL), 2015-04-23(#3) |
| B-400 | 5 | 48.73 | Busch, Nicholas (2015) (University, FL) | FL 4A Region 1(FL), 2015-04-23(#4) |
| B-400 | 6 | 49.00 | Nock, Maurice (2016) (Seminole, FL) | Seminole Athletic Conference Championships(FL), 2015-03-12(#1) |
| B-400 | 7 | 49.09 | Ortiz, Leo (2015) (Colonial, FL) | FL 4A Region 1(FL), 2015-04-23(#5) |
| B-400 | 7 | 49.09 | Turner, James (Boone, FL) | Brian Jaeger Elite Classic(FL), 2015-03-14(#3) |
| B-400 | 9 | 49.15 | Speer, Haden (2015) (Fleming Island, FL) | FL 4A Region 1(FL), 2015-04-23(#5) |
| B-400 | 10 | 49.17 | Williams, Marcel (2015) (Flagler Palm Coast, FL) | FL 4A Region 1(FL), 2015-04-23(#4) |
| B-400 | 11 | 49.28 | Treasure, Juvon (2016) (Apopka, FL) | FL 4A District 2(FL), 2015-04-15(#2) |
| B-400 | 12 | 49.80 | Macon, Michael (Dr. Phillips, FL) | FL 4A District 4(FL), 2015-04-16(#6) |
| B-400 | 13 | 49.90 | Williams, Jamarcus (2015) (Oak Ridge, FL) | Metro Conference Championships(FL), 2015-03-19(#5) |
| B-400 | 14 | 49.99 | Pacifico, Justin (2016) (Flagler Palm Coast, FL) | UNF Spring Break Invitational(FL), 2015-03-27(#3) |
| B-400 | 15 | 50.31 | Lake, Clarence (2018) (Wekiva, FL) | FL 4A Region 1(FL), 2015-04-23(#8) |
| B-400 | 16 | 50.32 | Crider, James (2015) (Apopka, FL) | Metro Conference Championships(FL), 2015-03-19(#3) |
| B-400 | 17 | 50.37 | Dacosta Moore, Damani (2017) (Olympia, FL) | FL 4A District 3(FL), 2015-04-16(#1) |
| B-400 | 18 | 50.39 | Exavier, Wiscardy (2016) (Olympia, FL) | FL 4A District 3(FL), 2015-04-16(#2) |
| B-400 | 19 | 50.49 | Buckhalter, Nathaniel (2015) (Hagerty, FL) | Seminole Athletic Conference Championships(FL), 2015-03-12(#3) |
| B-400 | 20 | 50.58 | Green, Dominic (2017) (Flagler Palm Coast, FL) | Bolles Bulldog Classic(FL), 2015-03-06(#1) |
| B-400 | 21 | 50.77 | Hogan, Emare (2017) (Dr. Phillips, FL) | Metro Conference Championships(FL), 2015-03-19(#5) |
| B-400 | 22 | 50.83 | Brown, Chris (2016) (West Orange, FL) | Seminole Open(FL), 2015-02-21(#2) |
| B-400 | 23 | 50.86 | Khinit, Malak (2016) (Timber Creek, FL) | FL 4A District 4(FL), 2015-04-16(#8) |
| B-400 | 24 | 50.90 | Thyme, Tyreek (2017) (Lyman, FL) | Seminole Athletic Conference Championships(FL), 2015-03-12(#4) |
| B-400 | 25 | 50.96 | Springhoff, Jose (2015) (Lake Nona, FL) | FL 3A District 6(FL), 2015-04-16(#1) |
| B-400 | 26 | 50.98 | Johnson, Cole (2016) (Olympia, FL) | FL 4A Region 1(FL), 2015-04-23(#9) |
| B-400 | 27 | 51.18 | Dallas, Thomas (Wekiva, FL) | Seminole Elite Invitational(FL), 2015-03-28(#7) |
| B-400 | 28 | 51.24 | Melson, William (2016) (East Ridge, FL) | Lake-Sumter County Championships(FL), 2015-03-26(#1) |
| B-400 | 29 | 51.29 | Tweedy, Jonathan (2016) (West Port, FL) | FL 4A District 3(FL), 2015-04-16(#4) |
| B-400 | 30 | 51.30 | Westry, Christopher (2015) (Oakleaf, FL) | Friday Knight Invite(FL), 2015-03-13(#2) |
| B-400 | 31 | 51.32 | Vandenburg, Kelson (2015) (Evans, FL) | Osceola Kowboy Invitational(FL), 2015-03-14(#6) |
| B-400 | 32 | 51.33 | Kodzi, Papaa (2016) (Oviedo, FL) | FL 4A District 2(FL), 2015-04-15(#6) |
| B-400 | 33 | 51.34 | Pierre, Markendy (2016) (Oak Ridge, FL) | Golden South Classic(FL), 2015-05-23(#2) |
| B-400 | 33 | 51.34 | Bibbs, Derran (2015) (Deland, FL) | FL 4A District 2(FL), 2015-04-15(#7) |
| B-400 | 35 | 51.40 | Jackson, Darius (2016) (Boone, FL) | FL 4A District 4(FL), 2015-04-16(#10) |
| B-400 | 36 | 51.52 | Scheuneman, Ryan (43) (Oakleaf, FL) | FL 3A District 4(FL), 2015-04-14(#3) |
| B-400 | 37 | 51.56 | Taylor, Tre'On (2016) (Winter Park, FL) | FL 4A District 4(FL), 2015-04-16(#11) |
| B-400 | 38 | 51.59 | Volmar, Johns (2016) (Freedom, FL) | Osceola Kowboy Invitational(FL), 2015-03-14(#10) |
| B-400 | 39 | 51.60 | Cesalien, Olesson (Evans, FL) | Lake Brantley Developmental Meet 3(FL), 2015-03-25(#1) |
| B-400 | 40 | 51.72 | Arrieta, Samuel (Lake Brantley, FL) | Seminole Athletic Conference Championships(FL), 2015-03-12(#5) |
| B-400 | 41 | 51.79 | Shelton, Robby (2016) (West Port, FL) | FL 4A District 3(FL), 2015-04-16(#5) |
| B-400 | 42 | 51.84 | Lemon, Christopher (2015) (Seminole, FL) | Seminole Open(FL), 2015-02-21(#4) |
| B-400 | 43 | 51.96 | Odom, Eric (2015) (Robert E. Lee, FL) | FL 3A District 3(FL), 2015-04-14(#6) |
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