| Lane | Athlete | Team | Seed | 
|---|---|---|---|
| 3 | SABU, Smithin | Springfield (Delco) | 48.57 | 
| 4 | ROBERTS, Ethan | Twin Valley | 49.44 | 
| Lane | Athlete | Team | Seed | 
|---|---|---|---|
| 1 | COX, Matthew | St. Mark's High School | 48.39 | 
| 2 | TRANSUE, Connor | Delaware County Christian School | 47.99 | 
| 3 | MCDOWELL, Trent | Solanco | 47.94 | 
| 4 | GREEN, Traeyon | Brandywine High School | 47.97 | 
| 5 | BUSTAMANTE, Andres | West Chester Henderson | 48.39 | 
| 6 | CLEAVER, Liam | Garnet Valley | 48.57 | 
| Lane | Athlete | Team | Seed | 
|---|---|---|---|
| 1 | KELCH, Sean | Garden Spot | 47.73 | 
| 2 | SOSINSKY, Jacob | Garnet Valley | 46.14 | 
| 3 | ELSMORE, Alex | Owen J. Roberts | 45.97 | 
| 4 | TRAN, Andrew | Marple Newtown | 45.99 | 
| 5 | RYKACWEWSKI, Jude | St. Mark's High School | 46.89 | 
| 6 | KEENER, Eliot | Springfield (Delco) | 47.89 | 
| Lane | Athlete | Team | Seed | 
|---|---|---|---|
| 1 | LEE, Daniel | Great Valley | 45.38 | 
| 2 | FINNELL, Nathaniel | Strath Haven | 45.00 | 
| 3 | AU, Liam | Coatesville | 44.83 | 
| 4 | BANDARI, Agasthya | Great Valley | 44.92 | 
| 5 | OLUGBENGA, Jesufifunmi | Ridley | 45.30 | 
| 6 | STOUROUSKY, Ethan | Marple Newtown | 45.95 | 
| Lane | Athlete | Team | Seed | 
|---|---|---|---|
| 1 | BARONE, Drew | Owen J. Roberts | 44.68 | 
| 2 | FOCHT, Hunter | Octorara | 44.14 | 
| 3 | SMITH, Pierce | Tatnall | 42.09 | 
| 4 | COLMENARES-BITTAR, Luis | Downingtown East | 43.38 | 
| 5 | WASHINGTON, Nick | West Chester Henderson | 44.59 | 
| 6 | FORD, Trey | Strath Haven | 44.75 | 
| Lane | Athlete | Team | Seed | 
|---|---|---|---|
| 1 | REED, Justin | Coatesville | 41.73 | 
| 2 | LENNON, Noah | Avon Grove | 41.20 | 
| 3 | FACCIO, Enrico | Strath Haven | 40.28 | 
| 4 | PRAIZNER, Kristian | Ridley | 41.03 | 
| 5 | FRAZIER, Kalen | Kennett | 41.71 | 
| 6 | DOHERTY, Noel | Bishop Shanahan | 41.88 |