| Event | Rank | Mark | By | Meet |
| | | National Elites above. State Elites below | | |
| B-400 | 1 | 48.74 | Cook, Joey (2016) (Moscow, ID) | Rasmussen Invitational(ID), 2015-04-25(#1) |
| B-400 | 2 | 49.43 | Frazee, Bryce (2015) (Idaho Falls, ID) | ID 5A State Meet(ID), 2015-05-16(#1) |
| B-400 | 3 | 49.51 | Kidd, Mikhail (2015) (Kuna, ID) | ID 4A State Meet(ID), 2015-05-16(#1) |
| B-400 | 4 | 49.71 | Hughes, Dillon (2015) (Nampa, ID) | ID 5A State Meet(ID), 2015-05-16(#2) |
| B-400 | 5 | 49.87 | Armstrong, Chase (2016) (Emmett, ID) | ID 3A State Meet(ID), 2015-05-16(#1) |
| B-400 | 6 | 49.93 | Duncan, Jackson (2015) (Declo, ID) | 3A/2A/1A Meet of Champions (ID), 2015-05-01(#1) |
| B-400 | 7 | 49.95 | Varner, John (2016) (Eagle, ID) | ID 5A State Meet(ID), 2015-05-16(#1) |
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| | | See more performances for B-400 | | |
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