| Athlete | Team | Seed | |
|---|---|---|---|
| 1 | Allen, Nathan | Avon Grove | 51.42 |
| 2 | Nakahara, Will | Downingtown East | 51.80 |
| 3 | Steinfeldt, Nick | Downingtown East | 53.07 |
| 4 | McGinn, Gavin | Avon Grove | 54.03 |
| 5 | Brown, Noah | Avon Grove | 54.75 |
| 6 | Bryant, Tavian | Exeter Township | 55.16 |
| 7 | Tyler-Dowana, Omari | Lower Merion | 55.33 |
| 8 | Coppa, Sam | Regina Luminis Academy | 55.69 |
| 9 | GRIFFITHS, JACK | Downingtown East | 55.77 |
| 10 | Skelton, Jack | Downingtown East | 55.78 |
| 11 | Finger, Evan | Owen J. Roberts | 55.84 |
| 12 | Planck, Richard | Downingtown West | 56.23 |
| 13 | Woody, Chazere | Exeter Township | 56.39 |
| 14 | Eburuoh, Justin | Devon Preparatory School | 56.65 |
| 15 | Snyder, Patrick | West Chester Henderson | 56.86 |
| 16 | Edgcumbe, Louis | Bishop Shanahan | 56.89 |
| 17 | Saraiva, Antonio | Lower Merion | 56.99 |
| 18 | Taylor, Gavin | Downingtown East | 56.99 |
| 19 | Punshi, Aryaman | Methacton | 57.00 |
| 20 | Bossong, Connor | Avon Grove | 57.00 |
| 21 | Weaver, Shaun | Avon Grove | 57.00 |
| 22 | Campbell, Jack | Oxford Area | 57.04 |
| 23 | Williams, Gabe | Owen J. Roberts | 57.07 |
| 24 | Kelly, Jack | Bishop Shanahan | 57.67 |
| 25 | Ambrose, Simon | Bishop Shanahan | 57.77 |
| 26 | O'Rourke, Patrick | Bishop Shanahan | 57.89 |
| 27 | Deitrich, Robert | Avon Grove | 58.00 |
| 28 | Moorhead, Joe | Downingtown West | 58.07 |
| 29 | Hollenbeck, Aidan | Downingtown West | 58.14 |
| 30 | Jackson, Jaden | Lower Merion | 58.38 |
| 31 | Whitaker, Sean | Bishop Shanahan | 58.42 |
| 32 | Oliver, Gavin | Downingtown West | 58.46 |
| 33 | Kennedy, James | Downingtown West | 58.72 |
| 34 | Smart, Clayton | Downingtown West | 58.78 |
| 35 | Waite, Alex | Oxford Area | 59.00 |
| 36 | Latsch, Ryan | Oxford Area | 59.01 |
| 37 | Cammann, Keenan | Quakertown | 59.15 |
| 38 | Purtle, Elijah | Owen J. Roberts | 59.40 |
| 39 | Curry, Thomas | Exeter Township | 59.50 |
| 40 | Dixon, Joshua | Exeter Township | 59.72 |
| 41 | Krotee, Donald | Lower Merion | 59.87 |
| 42 | Mills, Kameron | Exeter Township | 59.99 |
| 43 | Todd, Steven | Bishop Shanahan | 59.99 |
| 44 | Besancon, Michael | Oxford Area | 1:00.35 |
| 45 | Bennett, Ian | Avon Grove | 1:01.06 |
| 46 | Quillen, Howie | Regina Luminis Academy | 1:01.29 |
| 47 | Manzi, Lorenzo | Bishop Shanahan | 1:01.38 |
| 48 | Smith, Cole | Oxford Area | 1:01.61 |
| 49 | Karekatte, Nishadh | Downingtown West | 1:01.93 |
| 50 | LaFrance, Paul | Regina Luminis Academy | 1:02.00 |
| 51 | Sparango, Dominick | Quakertown | 1:02.09 |
| 52 | Trone, Lars | Avon Grove | 1:02.54 |
| 53 | Kothapalli, Venkata Sai | Downingtown West | 1:02.65 |
| 54 | Bonner, Jack | Devon Preparatory School | 1:02.87 |
| 55 | Caceres, Pharrell | Exeter Township | 1:02.95 |
| 56 | Burt, Danny | West Chester Henderson | 1:03.20 |
| 57 | Kress, Ryan | West Chester Henderson | 1:03.31 |
| 58 | Yerra, Ankith | West Chester Henderson | 1:04.03 |
| 59 | Simons, Jordan | Lower Merion | 1:05.00 |
| 60 | Kellerman, Paul | Oxford Area | 1:05.54 |
| 61 | Heller, Lucas | West Chester Henderson | 1:05.80 |
| 62 | Kennedy, Peter | West Chester Henderson | 1:05.89 |
| 63 | Spano, Logan | Oxford Area | 1:07.21 |
| 64 | Stapleton, Zach | Oxford Area | 1:09.02 |
| 65 | Davis, Raymond | Oxford Area | 1:09.53 |
| 66 | Urbanic, Luca | West Chester Henderson | 1:11.18 |
| 67 | Houder, Frankie | West Chester Henderson | 1:12.85 |
| 68 | HARRIS, BARRY | Downingtown East | NT |
| 69 | Shah, Ishan | Downingtown East | NT |
| 70 | Whitaker, Owen | Bishop Shanahan | NT |