| Lane | Athlete | Team | Seed |
|---|---|---|---|
| 4 | BROWN, Benjamin | Austin Catholic | 49.59 |
| 5 | JONES, William | Royal Oak Shrine | 51.43 |
| Lane | Athlete | Team | Seed |
|---|---|---|---|
| 1 | ALONTE, Yuri | Riverview Gabriel Richard | 48.90 |
| 2 | CRAYTON, Marquise | Detroit Loyola | 46.66 |
| 3 | WEBB, George | Detroit Loyola | 45.01 |
| 4 | BANGHART, Thomas | Allen Park Cabrini | 42.62 |
| 5 | BALBOA, Stevie | Royal Oak Shrine | 44.85 |
| 6 | ZAKOLSKI, Alessandro | Riverview Gabriel Richard | 46.02 |
| 7 | THORNTON, Thomas | Madison Heights Bishop Foley | 47.00 |
| 8 | HAMID, Adam | Allen Park Cabrini | 49.11 |