| Event | Rank | Mark | By | Meet |
| B-400H | 1 | 53.46 | Session, William (2016) (Belleville East, IL) (US#30) | USATF Youth National Championships 17-18(IL), 2015-07-05(#2) |
| | | National Elites above. State Elites below | | |
| B-400H | 2 | 54.92 | Wolz, Justin (2016) (Minooka Community, IL) | USATF JO Region 7 Qualifier(IL), 2015-07-12(#2) |
| B-400H | 3 | 55.70 | Anderson, Delano (2017) (East St. Louis-Senior, IL) | AAU Junior Olympics National Championships 17-18(VA), 2015-08-08(#17) |
| B-400H | 4 | 55.95 | Berry, Ricky (2017) (Belleville West, IL) | USATF Junior Olympics National Championships 15-16(FL), 2015-08-02(#8) |
| B-400H | 5 | 56.16 | Pranka, Drew (2015) (Princeton, IL) | Senior Spotlight Meet(IA), 2015-06-13(#4) |
| B-400H | 6 | 56.93 | Amarteifio, Roland (2016) (Evanston Township, IL) | USATF JO Region 7 Qualifier(IL), 2015-07-12(#5) |
| B-400H | 7 | 57.37 | Kirkwood, Tyler (2016) (Waubonsie Valley, IL) | AAU JO Region 13 Qualifier(IL), 2015-07-05(#2) |
| B-400H | 8 | 57.58 | Galloway, Jaylen (2016) (Thornton Fractional North, IL) | USATF JO Region 7 Qualifier(IL), 2015-07-12(#7) |
| B-400H | 9 | 57.71 | Hoch, Gavin (2016) (Lake Forest, IL) | USATF IL Assc JO Championships(IL), 2015-06-28(#3) |
| B-400H | 10 | 58.28 | Penny, Jeff (2015) (Waubonsie Valley, IL) | USATF IL Assc JO Championships(IL), 2015-06-28(#5) |
| B-400H | 11 | 58.58 | Bray, Mason (2017) (Normal University, IL) | USATF JO Region 7 Qualifier(IL), 2015-07-12(#2) |
| B-400H | 12 | 58.65 | Taylor, Avery (2016) (Thornton Fractional North, IL) | USATF JO Region 7 Qualifier(IL), 2015-07-12(#10) |
| B-400H | 13 | 58.66 | Mogorovic, Jakob (2016) (Lyons Township, IL) | USATF JO Region 7 Qualifier(IL), 2015-07-12(#11) |
| B-400H | 14 | 59.08 | Sylvestor, John (2017) (Proviso East, IL) | USATF IL Assc JO Championships(IL), 2015-06-28(#1) |
| B-400H | 15 | 59.23 | Engelhardt, Cameron (Tri-Valley, IL) | USATF JO Region 7 Qualifier(IL), 2015-07-12(#13) |
| B-400H | 16 | 59.26 | Hammellbrown, Zachary (17) (East St. Louis-Senior, IL) | AAU JO Region 15 Qualifier(MO), 2015-06-28(#3) |
| B-400H | 17 | 59.75 | Hines, Joshua (2016) (Marian Catholic, IL) | AAU JO Region 13 Qualifier(IL), 2015-07-05(#4) |
| B-400H | 18 | 59.83 | Johnson, Jayvious (2017) (Harlem, IL) | AAU JO Region 13 Qualifier(IL), 2015-07-05(#5) |
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| | | See more performances for B-400H | | |
