| Event | Rank | Mark | By | Meet |
| | | National Elites above. State Elites below | | |
| B-4x100 | 1 | 42.96 | Boys Relay (Freeport, IL) | IL 2A Sterling Boys Sectional(IL), 2015-05-22(#2) |
| B-4x100 | 2 | 43.01 | Boys Relay (Auburn, IL) | NIC-10 Boys Conference Meet(IL), 2015-05-15(#1) |
| B-4x100 | 3 | 43.77 | Boys Relay (Hononegah, IL) | Northern Illinois Invitational(IL), 2015-05-08(#1) |
| B-4x100 | 4 | 44.24 | Boys Relay (Guilford, IL) | Tim Holt Invitational(IL), 2015-05-08(#2) |
| B-4x100 | 5 | 44.62 | Boys Relay (Harlem, IL) | IL 3A Guilford Boys Sectional(IL), 2015-05-21(#7) |
| B-4x100 | 6 | 44.80 | Boys Relay (Rockford East, IL) | NIC-10 Boys Conference Meet(IL), 2015-05-15(#6) |
| B-4x100 | 7 | 44.86 | Boys Relay (Belvidere North, IL) | IL 3A Guilford Boys Sectional(IL), 2015-05-21(#11) |
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| | | See more performances for B-4x100 | | |
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