| Event | Rank | Mark | By | Meet |
| B-400 | 1 | 47.09 | Prowell, Stoney (2015) (John Marshall, IN) (US#32) | IN Boys State Meet(IN), 2015-06-05(#1) |
| B-400 | 2 | 47.90 | Sales, Brian (2015) (Merrillville, IN) (US#97) | IN Valparaiso Boys Regional(IN), 2015-05-28(#1) |
| B-400 | 3 | 47.98 | Owens, Jake (2015) (Noblesville, IN) | USATF Youth National Championships 17-18(IL), 2015-07-05(#3) |
| | | National Elites above. State Elites below | | |
| B-400 | 4 | 48.36 | Wright, Allen (2015) (Northrop, IN) | IN North Side Boys Sectional(IN), 2015-05-21(#1) |
| B-400 | 5 | 48.54 | Mcfarland, Andrew (2016) (Columbia City, IN) | IN Boys State Meet(IN), 2015-06-05(#3) |
| B-400 | 6 | 48.97 | Kerlegrand, Jeffrey (2015) (Northrop, IN) | IN Marion Boys Regional(IN), 2015-05-28(#1) |
| B-400 | 7 | 49.00 | Garrett, Frankie (2015) (Pike, IN) | IN North Central Boys Regional(IN), 2015-05-28(#1) |
| B-400 | 8 | 49.06 | Poturalski, Chris (2015) (New Palestine, IN) | IN Boys State Meet(IN), 2015-06-05(#4) |
| B-400 | 9 | 49.11 | Lloyd, Josh (2015) (Fishers, IN) | IN Boys State Meet(IN), 2015-06-05(#5) |
| B-400 | 10 | 49.25 | Hohlt, Jackson (2016) (Center Grove, IN) | IN Boys State Meet(IN), 2015-06-05(#7) |
| B-400 | 11 | 49.29 | Ware, Isaiah (2017) (North Central, IN) | IN Boys State Meet(IN), 2015-06-05(#9) |
| B-400 | 12 | 49.32 | Stokes, Isiah (2015) (South Spencer, IN) | IN Evansville Central Boys Regional(IN), 2015-05-28(#1) |
| B-400 | 13 | 49.36 | Gynn, Connor (2015) (Carroll, IN) | IN North Side Boys Sectional(IN), 2015-05-21(#3) |
| B-400 | 14 | 49.44 | Chavis, John (2016) (Bishop Chatard, IN) | IN Boys State Meet(IN), 2015-06-05(#10) |
| B-400 | 15 | 49.49 | Trice, Michael (2015) (Evansville Reitz Memorial, IN) | IN Boys State Meet(IN), 2015-06-05(#12) |
| B-400 | 16 | 49.52 | Hart, Zach (2015) (Center Grove, IN) | Metropolitan Interscholastic Conference(IN), 2015-05-01(#1) |
| B-400 | 16 | 49.52 | Ferrell, Christopher (07) (Unattached, IN) | USATF Junior Olympics National Championships 15-16(FL), 2015-08-02(#7) |
| B-400 | 18 | 49.67 | Wallace, Adam (2015) (Floyd Central, IN) | Jeffersonville Inferno Invitational(IN), 2015-04-11(#1) |
| B-400 | 19 | 49.78 | Austerman, Jacob (2015) (Northeastern, IN) | IN Connersville Boys Regional(IN), 2015-05-28(#4) |
| B-400 | 20 | 49.80 | Chavez, Tim (2015) (Munster, IN) | IN Valparaiso Boys Regional(IN), 2015-05-28(#2) |
| B-400 | 21 | 49.85 | Robinson, Adrian (2016) (Pike, IN) | IN North Central Boys Regional(IN), 2015-05-28(#4) |
| B-400 | 21 | 49.85 | Wilkerson, Jordan (2016) (Ben Davis, IN) | USATF Youth National Championships 17-18(IL), 2015-07-05(#9) |
| B-400 | 23 | 49.86 | Burnett, Hanif (2017) (Kokomo, IN) | IN Boys State Meet(IN), 2015-06-05(#14) |
| B-400 | 24 | 49.89 | Kouton, Nassif (2015) (Brownsburg, IN) | IN Boys State Meet(IN), 2015-06-05(#16) |
| B-400 | 25 | 49.90 | Eddington, Addrecus (2017) (Kokomo, IN) | North Central Conference Meet(IN), 2015-05-08(#1) |
| B-400 | 26 | 49.91 | Pfeil, Seth (2015) (Princeton Comm, IN) | IN Evansville Central Boys Regional(IN), 2015-05-28(#2) |
| B-400 | 27 | 49.93 | Frazier, Bryce (2016) (Bloomington North, IN) | IN Boys State Meet(IN), 2015-06-05(#19) |
| B-400 | 27 | 49.93 | Blake, Rhett (2015) (Edgewood, IN) | IN Boys State Meet(IN), 2015-06-05(#18) |
| B-400 | 29 | 49.94 | Lacher, Sam (2015) (Bremen, IN) | IN Penn Boys Sectional(IN), 2015-05-21(#1) |
| B-400 | 30 | 49.97 | Larson, Trent (2015) (Columbus North, IN) | IN Connersville Boys Regional(IN), 2015-05-28(#5) |
| B-400 | 31 | 49.99 | Goldman, Clayton (2016) (Lake Central, IN) | IN Valparaiso Boys Regional(IN), 2015-05-28(#3) |
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| | | See more performances for B-400 | | |
