| Event | Rank | Mark | By | Meet |
| B-400 | 1 | 47.01 | Feyersinger, Sebastian (2014) (Mcqueen, NV) (US#28) | Great Southwest Classic(NM), 2014-06-07(#1) |
| B-400 | 2 | 47.15 | Reid, Corey (2015) (Carson, NV) (US#38) | NV State Championship(NV), 2014-05-24(#1) |
| B-400 | 3 | 47.97 | Dobson, Ivy (2014) (Arbor View, NV) | NV State Championship(NV), 2014-05-24(#3) |
| B-400 | 4 | 48.01 | Mack, Ian (2015) (Green Valley, NV) | NV D1 Southern Regional Finals(NV), 2014-05-17(#1) |
| B-400 | 5 | 48.07 | Ross, Connor (2015) (Mcqueen, NV) | NV D1 Northern Regionals(NV), 2014-05-17(#3) |
| B-400 | 6 | 48.09 | Durham, Dashawn (2014) (Hug, Proctor, NV) | NV D1 Northern Regionals(NV), 2014-05-17(#4) |
| | | National Elites above. State Elites below | | |
| B-400 | 7 | 48.30 | Harley, Brandan (2015) (Centennial, NV) | NV D1 Southern Regional Finals(NV), 2014-05-17(#2) |
| B-400 | 8 | 48.37 | Nobis, Austin (2015) (Bishop Gorman, NV) | NV D1 Southern Regional Finals(NV), 2014-05-17(#3) |
| B-400 | 9 | 48.61 | Howland, A'Mari (2015) (Canyon Springs, NV) | NV D1 Southern Regional Finals(NV), 2014-05-17(#2) |
| B-400 | 10 | 48.67 | Nash, Sherman (2014) (Sunrise Mountain, NV) | NV State Championship(NV), 2014-05-24(#1) |
| B-400 | 11 | 48.68 | Sayles, Ronald (2015) (Arbor View, NV) | NV D1 Southern Regional Finals(NV), 2014-05-17(#4) |
| B-400 | 12 | 49.12 | Berner, Corey (2014) (Centennial, NV) | Chandler Rotary Invitational(AZ), 2014-03-22(#3) |
| B-400 | 13 | 49.41 | Geisinger, Shamir (2014) (Spanish Springs, NV) | Northern Nevada D1 Regionals Day 1(NV), 2014-05-10(#5) |
| B-400 | 14 | 49.71 | Lewis, Justin (2014) (Cimarron-Memorial, NV) | Meadows Invitational(NV), 2014-04-26(#2) |
| B-400 | 14 | 49.71 | Hough, Tim (2014) (Desert Pines, NV) | NV D1A-D3-D4 Southern Regional Finals(NV), 2014-05-17(#2) |
| B-400 | 16 | 49.79 | Goodman, Andrew (2014) (Dayton, NV) | NV State Championship(NV), 2014-05-24(#3) |
| B-400 | 17 | 49.89 | Murphy, Cameron (2014) (Calvary Chapel Christian, NV) | NV State Championship(NV), 2014-05-24(#1) |
| B-400 | 18 | 49.96 | Carrico, Joshua (2014) (Shadow Ridge, NV) | NV D1 Southern Regional Finals(NV), 2014-05-17(#5) |
| B-400 | 19 | 49.98 | Anders, Dominic (2014) (Reno, NV) | NV D1 Northern Regionals(NV), 2014-05-17(#5) |
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| | | See more performances for B-400 | | |
