Event | Rank | Mark | By | Meet |
B-400 | 1 | 48.04 | Klamm, Carl (2015) (Evanston Township, IL) | IL 3A Boys State Prelims(IL), 2015-05-29(#3) |
| | | National Elites above. State Elites below | | |
B-400 | 2 | 48.97 | Garron, Brad (2017) (Evanston Township, IL) | USATF JO Region 7 Qualifier(IL), 2015-07-12(#1) |
B-400 | 3 | 49.49 | Wade, Barrington (2016) (Niles North, IL) | Springfield Boys Open(IL), 2015-04-04(#1) |
B-400 | 4 | 51.09 | Mafany, Nelson (2016) (Niles North, IL) | CSL-North Boys Conference Meet(IL), 2015-05-15(#2) |
B-400 | 5 | 51.18 | Magee, Arnold (2015) (Waukegan , IL) | CSL-South Boys Conference Meet(IL), 2015-05-15(#2) |
B-400 | 6 | 51.44 | Bamgbose, Babajide (2016) (Evanston Township, IL) | IL 3A Loyola Academy Boys Sectional(IL), 2015-05-21(#4) |
B-400 | 7 | 51.51 | Mollman, Tim (2015) (New Trier Township, IL) | Gus Scott Co-Ed Invitational(IL), 2015-04-17(#2) |
B-400 | 8 | 51.62 | Watson, Collin (2015) (Evanston Township, IL) | Jim Arnold Classic(IL), 2015-05-02(#5) |
B-400 | 9 | 51.76 | Cernek, Gavin (2016) (Glenbrook South, IL) | CSL-South Boys Conference Meet(IL), 2015-05-15(#5) |
B-400 | 9 | 51.76 | Denley, Jackson (2015) (Niles West, IL) | CSL-South Boys Conference Meet(IL), 2015-05-15(#5) |
B-400 | 11 | 51.93 | Amen, Luke (2017) (Glenbrook North, IL) | CSL-North Boys Conference Meet(IL), 2015-05-15(#3) |
B-400 | 12 | 52.05 | Henry, Michael (2017) (Evanston Township, IL) | CSL-South Boys Conference Meet(IL), 2015-05-15(#1) |
B-400 | 13 | 52.40 | Greenleaf, Devin (2015) (Highland Park, IL) | CSL-North Boys Conference Meet(IL), 2015-05-15(#4) |
B-400 | 14 | 52.43 | Johnson, Grant (2017) (New Trier Township, IL) | CSL-South Boys Conference Meet(IL), 2015-05-15(#2) |
B-400 | 14 | 52.43 | Asuncion, Chris (2015) (Maine West, IL) | IL 3A Loyola Academy Boys Sectional(IL), 2015-05-21(#6) |
B-400 | 16 | 52.47 | Conterato, Jake (2016) (New Trier Township, IL) | Gus Scott Co-Ed Invitational(IL), 2015-04-17(#3) |
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| | | See more performances for B-400 | | |