| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | PETERSEN, Mark | SO | Franklin Park-Northlake (Leyden) | 1:10.91 |
| 2 | GARCIA, Uriel | FR | Willowbrook | 1:01.72 |
| 3 | REBOLLEDO, Ryan | Fenton | 58.81 | |
| 4 | VIVERO, Horfanel | SO | Addison Trail | 55.70 |
| 5 | ROCHA, Damian | FR | Willowbrook | 56.51 |
| 6 | SOSA, Juan Carlos | SO | Fenton | 58.95 |
| 7 | LOVESHE, Diego | FR | Franklin Park-Northlake (Leyden) | 1:08.96 |