| Event | Rank | Mark | By | Meet |
| B-400 | 1 | 47.97 | Jones, Tahrike (2015) (Lutcher, LA) | LA 4A State Meet(LA), 2015-05-09(#1) |
| B-400 | 2 | 48.01 | Mosby, Corrieon (2015) (Natchitoches Central, LA) | LA 5A State Meet(LA), 2015-05-09(#1) |
| B-400 | 3 | 48.04 | Briscoe, Jandon (2017) (Jesuit, LA) | USATF Junior Olympics National Championships 15-16(FL), 2015-08-02(#2) |
| | | National Elites above. State Elites below | | |
| B-400 | 4 | 48.34 | Jackson, Tyler (2015) (Davidson, LA) | AL 7A Section 1(AL), 2015-04-25(#1) |
| B-400 | 5 | 48.48 | Williams Jr., Dwayne (2016) (Scotlandville Magnet, LA) | LA 5A District 4 Broadmoor(LA), 2015-04-22(#1) |
| B-400 | 6 | 48.51 | Rouchon, Trevions (2015) (Franklin, LA) | LA 3A State Meet(LA), 2015-05-09(#1) |
| B-400 | 7 | 48.54 | Johnson, Andre (2015) (West Ouachita, LA) | LA 4A State Meet(LA), 2015-05-09(#2) |
| B-400 | 8 | 48.82 | Wright, Deonte (2015) (Deridder, LA) | LA 4A State Meet(LA), 2015-05-09(#3) |
| B-400 | 9 | 48.94 | Bell, Xavier (2017) (Southern Lab, LA) | LA 1A State Meet(LA), 2015-05-08(#1) |
| B-400 | 10 | 48.96 | Bryant, Dezmond (2017) (Red River, LA) | LA 2A State Meet(LA), 2015-05-08(#1) |
| B-400 | 11 | 49.19 | Hewitt, Jalen (2017) (Calvary Baptist, LA) | LA 2A State Meet(LA), 2015-05-08(#3) |
| B-400 | 11 | 49.19 | Johnson, Kevin (2016) (Sophie B. Wright, LA) | LA 2A State Meet(LA), 2015-05-08(#2) |
| B-400 | 13 | 49.23 | Bell, Shecory (2015) (E.D. White Catholic, LA) | LA 3A State Meet(LA), 2015-05-09(#2) |
| B-400 | 14 | 49.29 | Stokes, Donald (2015) (Carencro, LA) | Lafayette Beaver Club Relays(LA), 2015-04-01(#1) |
| B-400 | 15 | 49.34 | Smith, Devonta (2017) (Amite, LA) | LA 3A State Meet(LA), 2015-05-09(#3) |
| B-400 | 16 | 49.37 | Cowan, Ethan (2016) (Fontainebleau, LA) | LA 5A State Meet(LA), 2015-05-09(#3) |
| B-400 | 17 | 49.52 | Simmons, Daniel (2016) (St. Amant, LA) | LA 5A District 5 Catholic(LA), 2015-04-23(#1) |
| B-400 | 18 | 49.60 | Fisher, Tarique (2015) (John Ehret, LA) | LA 5A State Meet(LA), 2015-05-09(#4) |
| B-400 | 19 | 49.62 | Lambert, James (2016) (Salmen, LA) | LA 4A State Meet(LA), 2015-05-09(#4) |
| B-400 | 20 | 49.64 | Flowers, Landon (2015) (Catholic Baton Rouge, LA) | LA 5A District 5 Catholic(LA), 2015-04-23(#2) |
| B-400 | 21 | 49.71 | Ryan, Caleb (2016) (Calvary Baptist, LA) | LA 2A State Meet(LA), 2015-05-08(#4) |
| B-400 | 22 | 49.74 | Evans, Darren (2016) (Glen Oaks, LA) | LA 3A State Meet(LA), 2015-05-09(#4) |
| B-400 | 23 | 49.81 | Rapp, Ethan (Sulphur, LA) | LA 5A Region 1 Natchitoches(LA), 2015-04-29(#2) |
| B-400 | 24 | 49.82 | Applewhite, Kavarea (2017) (Huntington, LA) | LA 4A State Meet(LA), 2015-05-09(#5) |
| B-400 | 25 | 49.95 | Moland, Deshawn (2015) (Assumption, LA) | LA 4A State Meet(LA), 2015-05-09(#6) |
| B-400 | 26 | 49.97 | Domingue, Kyshawn (2017) (Baton Rouge, LA) | LA 5A District 5 Catholic(LA), 2015-04-23(#3) |
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| | | See more performances for B-400 | | |
