| Athlete | Yr. | Team | Seed | |
|---|---|---|---|---|
| 1 | Peacock, Aidan | SO | Great Valley | 54.99 |
| 2 | DeWilde, Grant | SO | Unionville | 55.24 |
| 3 | Yu, Chris | SO | Unionville | 55.35 |
| 4 | Beck, Christian | 9 | Downingtown East | 55.39 |
| 5 | Kim, Theo | SO | Great Valley | 55.52 |
| 6 | Sterling, Amani | SO | Downingtown West | 56.24 |
| 7 | Liu, Gareth | SO | Unionville | 56.31 |
| 8 | Wagenmann, Evan | SO | Great Valley | 56.60 |
| 9 | Brice, Jake | SO | West Chester Henderson | 57.66 |
| 10 | Ullman, Jonah | 9 | Oxford Area | 57.77 |
| 11 | Knaak, Derek | SO | Downingtown West | 57.84 |
| 12 | Moerder, Matthew | JR | Avon Grove | 58.72 |
| 13 | Whelan, Ben | 9 | Oxford Area | 58.82 |
| 14 | Henle, Alex | 9 | Downingtown West | 59.28 |
| 15 | Mayer, Sean | SO | Unionville | 59.36 |
| 16 | Wisler, Grant | JR | Downingtown West | 59.93 |
| 17 | Skeete, Sebastian | 9 | West Chester Henderson | 1:00.57 |
| 18 | May, Jake | 9 | West Chester Henderson | 1:00.82 |
| 19 | Tuley, John | 9 | Kennett | 1:01.50 |
| 20 | Subratie, Aniff | SO | West Chester Henderson | 1:01.70 |
| 21 | Stott, Will | 9 | West Chester Rustin | 1:02.68 |
| 22 | Guzman, Javier | SO | West Chester East | 1:03.03 |
| 23 | Boulware, Riley | SO | Avon Grove | 1:03.61 |
| 24 | Helferty, James | SO | West Chester East | 1:03.72 |
| 25 | Varkey, Jayden | SO | West Chester East | 1:04.02 |
| 26 | Laurento, Evan | SO | West Chester East | 1:04.91 |
| 27 | Engelhardt, Joseph | SO | Bishop Shanahan | 1:08.27 |
| 28 | Wang, Vincent | SO | Downingtown East | NT |
| 29 | DiCamillo, Jake | SO | Great Valley | NT |
| 30 | Latsch, Sean | 9 | Oxford Area | NT |