| Event | Rank | Mark | By | Meet |
| B-400 | 1 | 47.89 | Gillispie, Kaizer (2015) (South Medford, OR) (US#95) | OR 6A State Meet(OR), 2015-05-23(#1) |
| | | National Elites above. State Elites below | | |
| B-400 | 2 | 48.64 | Torres, Kyle (2015) (Mcnary, OR) | OR 6A State Meet(OR), 2015-05-23(#2) |
| B-400 | 3 | 48.66 | Harthun, Jake (2017) (Oregon City, OR) | OR 6A State Meet(OR), 2015-05-23(#3) |
| B-400 | 4 | 48.83 | Rosette, Tyler (2016) (Tigard, OR) | OR 6A State Meet(OR), 2015-05-23(#4) |
| B-400 | 5 | 48.93 | Kellebrew, Joshua (2015) (David Douglas, OR) | Canby @ David Douglas(OR), 2015-03-19(#1) |
| B-400 | 6 | 49.13 | Berry, Cornelius (2015) (Grant, OR) | OR 6A State Meet(OR), 2015-05-23(#5) |
| B-400 | 7 | 49.16 | Jones, Dustin (2016) (Marist, OR) | OR 5A State Meet(OR), 2015-05-23(#1) |
| B-400 | 8 | 49.27 | Van, Brendan (2017) (Mcnary, OR) | Wilsonville Invitational(OR), 2015-04-18(#2) |
| B-400 | 9 | 49.34 | Brown, Brandon (2015) (Grant, OR) | OR 6A State Meet(OR), 2015-05-23(#7) |
| B-400 | 10 | 49.52 | Blake, Logan (2016) (Bend, OR) | OR 5A State Meet(OR), 2015-05-23(#2) |
| B-400 | 11 | 49.82 | Sultessa, Roba (2015) (Cleveland, OR) | Jefferson and Cleveland at Grant(OR), 2015-05-06(#1) |
| B-400 | 11 | 49.82 | Verhelst, Trevor (2016) (Union, OR) | OR 2A State Meet(OR), 2015-05-22(#1) |
| B-400 | 13 | 49.86 | Durfee, Brayden (2017) (Summit, OR) | OR 5A State Meet(OR), 2015-05-23(#3) |
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| | | See more performances for B-400 | | |
