| Event | Rank | Mark | By | Meet |
| B-400 | 1 | 49.97 | Rouser, Garrett (2015) (Kingston, WA) | UW HS Invitational(WA), 2015-02-07(#1) |
| | | National Elites above. State Elites below | | |
| B-400 | 2 | 50.53 | Stauffer, Nicholas (2015) (Stadium, WA) | UW Open(WA), 2015-02-15(#7) |
| B-400 | 3 | 51.29 | Buck, Owen (2016) (Ballard, WA) | UW Open(WA), 2015-02-15(#11) |
| B-400 | 4 | 51.90 | Auna, Ammon (2015) (Todd Beamer, WA) | UW HS Invitational(WA), 2015-02-07(#7) |
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| | | See more performances for B-400 | | |
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