| Event | Rank | Mark | By | Meet |
| B-400 | 1 | 48.98 | Ross, Connor (2015) (Mcqueen, NV) (US#37) | New Balance Boise Indoor(ID), 2015-02-07(#1) |
| B-400 | 2 | 49.75 | Nobis, Austin (2015) (Bishop Gorman, NV) (US#92) | Cherry & Silver All-Comers(NM), 2015-02-07(#1) |
| B-400 | 3 | 49.91 | Sayles, Ronald (2015) (Arbor View, NV) | BYU HS Indoor Invitational(UT), 2015-01-24(#2) |
| | | National Elites above. State Elites below | | |
| B-400 | 4 | 51.25 | Goronson, Greg (2015) (Arbor View, NV) | BYU HS Indoor Invitational(UT), 2015-01-24(#6) |
| B-400 | 5 | 51.26 | Spodobalski, Logan (2016) (Bishop Manogue, NV) | New Balance Boise Indoor(ID), 2015-02-07(#4) |
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| | | See more performances for B-400 | | |
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