| Event | Rank | Mark | By | Meet |
| B-400 | 1 | 50.11 | McGee, Terry (2014) (North Lawndale Charter, IL) | Illinois Top Times Championships - Class 3A(IL), 2014-03-29(#1) |
| B-400 | 2 | 50.25 | Watson, Jeremiah (2014) (Urban Prep Englewood, IL) | Illinois Top Times Championships - Class 3A(IL), 2014-03-29(#3) |
| B-400 | 3 | 50.30 | Payton, Imani (2014) (North Lawndale Charter, IL) | Texas A&M HS Indoor Classic(TX), 2014-01-11(#7) |
| | | National Elites above. State Elites below | | |
| B-400 | 4 | 51.09 | Monigan, Jalon (2014) (Cahokia, IL) | SIU Boys HS Invitational(IL), 2014-03-08(#1) |
| B-400 | 5 | 51.18 | Lyons, Tyran (2016) (Cahokia, IL) | Arkansas HS Invitational(AR), 2014-01-18(#14) |
| B-400 | 6 | 51.29 | Haynes, Joshua (2015) (Marian Catholic, IL) | Arkansas HS Invitational(AR), 2014-01-18(#15) |
| B-400 | 7 | 51.62 | Landry, Tayvonne (2014) (Carbondale Comm, IL) | Illinois Top Times Championships - Class 2A(IL), 2014-03-29(#3) |
| B-400 | 8 | 51.65 | LaFayette, J.D. (2014) (Normal University, IL) | Gene Armer Invitational(IL), 2014-03-22(#3) |
| B-400 | 9 | 51.77 | Charlton, Brett (2015) (Eureka, IL) | Illinois Top Times Championships - Class 1A(IL), 2014-03-28(#2) |
| B-400 | 10 | 51.78 | O'Connor, Matt (2014) (Burlington Central, IL) | Byron Boys Indoor Classic(IL), 2014-03-22(#1) |
| B-400 | 11 | 52.08 | Blankenship, Sam (2015) (Johnsburg, IL) | Lake Michigan Boys Invitational(WI), 2014-03-22(#2) |
| B-400 | 12 | 52.09 | Carter, Kyle (2014) (Kaneland , IL) | NIB-12 Indoor Conference Meet(IL), 2014-03-22(#1) |
| B-400 | 13 | 52.27 | Lally, Killian (2014) (Dixon, IL) | Illinois Top Times Championships - Class 2A(IL), 2014-03-29(#5) |
| B-400 | 14 | 52.31 | Riley, Brandon (2014) (Morgan Park, IL) | Proviso East Midwest Classic(IL), 2014-03-29(#2) |
| B-400 | 15 | 52.38 | Mcgee, Chris (2016) (Cahokia, IL) | SIU Boys HS Invitational(IL), 2014-03-08(#5) |
| B-400 | 16 | 52.43 | Riggs, Grant (2015) (Highland, IL) | Charleston HS Boys Invitational - Large Schools(IL), 2014-03-22(#3) |
| B-400 | 17 | 52.50 | Lamendola, Alexander (2014) (Dixon, IL) | NIB-12 Indoor Conference Meet(IL), 2014-03-22(#2) |
| B-400 | 18 | 52.71 | Carlisle, Jeremy (2015) (Fenwick, IL) | Chicago Catholic League Championships(IL), 2014-03-22(#4) |
| B-400 | 19 | 52.76 | Penalfor, Draque (2014) (Sterling, IL) | Sterling First Chance Meet(IL), 2014-03-15(#1) |
| B-400 | 20 | 52.89 | Harris, Aaron (2016) (Lisle, IL) | USATF WI Indoor Championships(WI), 2014-02-16(#5) |
| B-400 | 21 | 52.95 | Brady, Marlin (2014) (Cahokia, IL) | Arkansas HS Invitational(AR), 2014-01-18(#35) |
| B-400 | 22 | 53.03 | Monigan, Michael (2014) (Cahokia, IL) | Arkansas HS Invitational(AR), 2014-01-18(#38) |
| B-400 | 23 | 53.15 | Cook, Disaun (2015) (Morton, IL) | Argo Boys Invitational(IL), 2014-03-15(#4) |
| B-400 | 24 | 53.17 | Neubauer, Kyle (2015) (Burlington Central, IL) | Coach DiDomenico Invitational(IL), 2014-03-07(#4) |
| B-400 | 25 | 53.30 | Johnson, Zachary (2014) (MacArthur, IL) | Charleston HS Boys Invitational - Large Schools(IL), 2014-03-22(#7) |
| B-400 | 26 | 53.33 | Dixon, David (De La Salle Institute, IL) | DeLaSalle Indoor Invitational #2(IL), 2014-02-22(#1) |
| B-400 | 27 | 53.36 | Victoria, Michael (2015) (Harrisburg, IL) | SIU Boys HS Invitational(IL), 2014-03-08(#7) |
| B-400 | 28 | 53.37 | Bolfing, Austin (2015) (Taylorville, IL) | Charleston HS Boys Invitational - Large Schools(IL), 2014-03-22(#8) |
| B-400 | 29 | 53.38 | Johnson, Tyler (2015) (St. Rita, IL) | Chicago Catholic League Championships(IL), 2014-03-22(#5) |
| B-400 | 30 | 53.44 | Magradze, Sandro (2014) (Johnsburg, IL) | Lake Michigan Boys Invitational(WI), 2014-03-22(#8) |
| B-400 | 31 | 53.47 | Porter, Aaron (2017) (Marion, IL) | Charleston HS Boys Invitational - Large Schools(IL), 2014-03-22(#9) |
| B-400 | 32 | 53.56 | Peters, Brian (2015) (Saint Viator, IL) | ICOPS Indoor Invitational(IL), 2014-03-02(#6) |
| B-400 | 33 | 53.57 | Lucas, Jaqwaun (2014) (De La Salle Institute, IL) | DeLaSalle Indoor Invitational #2(IL), 2014-03-01(#1) |
| B-400 | 33 | 53.57 | Frejowski, Tom (2015) (Northside Prep, IL) | CPL Indoor Meet Group A(IL), 2014-03-23(#4) |
| B-400 | 35 | 53.72 | Stine, Connor (2015) (Olympia, IL) | Illinois State HS Invitational(IL), 2014-03-08(#5) |
| B-400 | 36 | 53.74 | Culter, Alex (2017) (Mt. Zion, IL) | Decatur Area Indoor Invitational(IL), 2014-03-12(#1) |
| B-400 | 37 | 53.75 | Sherman, Drew (2015) (Centralia, IL) | Charleston HS Boys Invitational - Large Schools(IL), 2014-03-22(#10) |
| B-400 | 38 | 53.86 | Worby, Bryan (2015) (Pontiac, IL) | Jacksonville Large School Invitational(IL), 2014-03-07(#2) |
| B-400 | 39 | 53.87 | Johnson, Kalvin (2015) (Centralia, IL) | Uni Mini Meet #4(IL), 2014-03-19(#1) |
| B-400 | 40 | 53.92 | Shook, Dallas (Roxana, IL) | Charleston HS Boys Invitational - Small Schools(IL), 2014-03-22(#7) |
| B-400 | 41 | 53.95 | Johnson, Boluwaitfe (2014) (University of Chicago Lab School, IL) | U-High Invitational #3(IL), 2014-03-14(#3) |
| B-400 | 41 | 53.95 | Zeman, Logan (2014) (LaSalle-Peru, IL) | NIB-12 Indoor Conference Meet(IL), 2014-03-22(#5) |
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