| Stadium | 50.46 | Yuki Matsushita | Mizuno (Japan) | 3/24/2018 | |
| Westmont | 51.73 | Phil Pitney | Westmont | 5/10/1986 | 
| # | Athlete | Team | Seed | |
|---|---|---|---|---|
| 1 | 363 | LEMMA, Grady |  Pacific Lutheran | 
		54.93 | 
| 2 | 274 | HATCH, Connor |  George Fox | 
		59.21 | 
| 3 | 206 | DE LEON, Dominic |  Cal Lutheran | 
		1:00.38 | 
| 4 | 817 | HOOK, Caleb |  Westmont | 
		1:01.17 | 
| 5 | 814 | HANNA, Isaiah |  Westmont | 
		1:01.48 | 
| 6 | 310 | WATKINS, Silas |  George Fox | 
		1:02.27 | 
| 7 | 421 | CLANTON, Ty |  The Master's | 
		NT |