| Event | Rank | Mark | By | Meet |
| B-400 | 1 | 50.05 | Chapman, Leroy (2013) (Antioch, IL) | Lake Michigan Invitational(WI), 2013-03-16(#2) |
| B-400 | 2 | 50.19 | Watson, Jeremiah (2014) (Urban Prep Englewood, IL) | Illinois Top Times Championships - Class 2A(IL), 2013-03-23(#1) |
| | | National Elites above. State Elites below | | |
| B-400 | 3 | 50.72 | Payton, Darren (2013) (Cahokia, IL) | Arkansas HS Invitational(AR), 2013-01-12(#1) |
| B-400 | 4 | 50.79 | Brady, Marlin (2014) (Cahokia, IL) | Illini Scholastic Open(IL), 2013-02-16(#1) |
| B-400 | 5 | 51.03 | Holiday, Jalen (2013) (De La Salle Institute, IL) | Proviso East Midwest Classic(IL), 2013-03-23(#1) |
| B-400 | 6 | 51.04 | Jordan, Deshawn (2013) (North Lawndale Charter, IL) | Gene Armer Invitational(IL), 2013-03-16(#1) |
| B-400 | 7 | 51.26 | Medrano, Daniel (2013) (Brooks College Prep Academy, IL) | Illinois Top Times Championships - Class 2A(IL), 2013-03-23(#4) |
| B-400 | 8 | 51.56 | Williams, Aquintis (2013) (MacArthur, IL) | Illinois Top Times Championships - Class 2A(IL), 2013-03-23(#6) |
| B-400 | 9 | 51.74 | Allen, Damion (2014) (LaSalle-Peru, IL) | Illinois Top Times Championships - Class 2A(IL), 2013-03-23(#7) |
| B-400 | 10 | 51.82 | Lyons, Tyran (2016) (Cahokia, IL) | Arkansas HS Invitational(AR), 2013-01-12(#23) |
| B-400 | 11 | 51.99 | Adeyemo, Moshood (2013) (Hillcrest, IL) | Illinois Top Times Championships - Class 2A(IL), 2013-03-23(#8) |
| B-400 | 12 | 52.23 | Lee, Malik (2013) (Brooks College Prep Academy, IL) | Coach O Invitational(IL), 2013-01-13(#2) |
| B-400 | 13 | 52.30 | Haynes, Joshua (2015) (Marian Catholic, IL) | Gazelle Sports Elite Meet(MI), 2013-02-16(#18) |
| B-400 | 14 | 52.38 | Thomas, Darius (2013) (Macomb, IL) | Illinois Top Times Championships - Class 2A(IL), 2013-03-23(#9) |
| B-400 | 15 | 52.72 | Kucera, Nathaniel (2014) (Kaneland , IL) | Coach Di Invitational(IL), 2013-03-01(#1) |
| B-400 | 16 | 52.82 | Allyn, Nathan (2013) (MacArthur, IL) | Centennial Charger Invitational(IL), 2013-03-02(#4) |
| B-400 | 17 | 52.85 | Horton, Grayson (2013) (Joliet Catholic Academy, IL) | Bolingbrook Fast Times Invitational (IL), 2013-03-23(#2) |
| B-400 | 18 | 52.94 | Robinson, Jaylen (2013) (Freeport, IL) | Byron Indoor Preview(IL), 2013-03-09(#1) |
| B-400 | 19 | 52.98 | Landry, Tayvonne (2014) (Carbondale Comm, IL) | Edwardsville Tiger Indoor Invitational(IL), 2013-03-08(#2) |
| B-400 | 20 | 53.11 | Hartz, Cornell (2013) (Sterling, IL) | Sterling Indoor Invitational(IL), 2013-03-23(#3) |
| B-400 | 21 | 53.22 | Tate, Justin (2013) (De La Salle Institute, IL) | ICOPS Invitational(IL), 2013-03-03(#4) |
| B-400 | 22 | 53.23 | Worby, Bryan (2015) (Pontiac, IL) | Gene Armer Invitational(IL), 2013-03-16(#4) |
| B-400 | 23 | 53.40 | Patrick, Kyle (2013) (Antioch, IL) | Lake Michigan Invitational(WI), 2013-03-16(#6) |
| B-400 | 24 | 53.43 | Reschke, Ethan (2013) (Geneseo, IL) | Sterling Indoor Invitational(IL), 2013-03-23(#5) |
| B-400 | 25 | 53.46 | Pagan, Alexander (2013) (Hampshire, IL) | Byron Indoor Preview(IL), 2013-03-09(#2) |
| B-400 | 26 | 53.52 | Gray, Kody (2014) (Highland, IL) | Charleston EIU Boys Invitational(IL), 2013-03-16(#6) |
| B-400 | 27 | 53.56 | Agharese, Nathanie (2013) (Northside Prep, IL) | U-High Invitational #2(IL), 2013-02-22(#2) |
| B-400 | 28 | 53.66 | Boss, Steven (2013) (Mount Vernon, IL) | SIU Boys Invitational(IL), 2013-03-02(#4) |
| B-400 | 29 | 53.68 | Charlton, Brett (2015) (Eureka, IL) | Illinois Top Times Championships - Class 1A(IL), 2013-03-22(#7) |
| B-400 | 29 | 53.68 | Penalfor, Draque (2014) (Sterling, IL) | Sterling Indoor Invitational(IL), 2013-03-23(#7) |
| B-400 | 29 | 53.68 | Horton, Luke (2014) (Harrisburg, IL) | Edwardsville Tiger Indoor Invitational(IL), 2013-03-08(#3) |
| B-400 | 32 | 53.90 | Shroyer, Andrew (2013) (Mahomet-Seymour, IL) | Normal West Boys Invitational(IL), 2013-02-22(#7) |
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