| Event | Rank | Mark | By | Meet |
| B-Mile | 1 | 4:09.75 | Anderson, Tanner (2015) (North Central, WA) (US#28) | Jesuit Twilight Relays(OR), 2015-05-01(#3) |
| B-Mile | 2 | 4:10.81 | Yearian, Jack (2016) (Bellarmine Prep, WA) (US#37) | Brooks PR Invitational(WA), 2015-06-20(#6) |
| B-Mile | 3 | 4:12.59 | Janke, Justin (2016) (North Central, WA) (US#60) | Portland Track Festival(OR), 2015-06-14(#3) |
| B-Mile | 4 | 4:12.70 | Dressel, John (2015) (Mt Spokane, WA) (US#62) | Jesuit Twilight Relays(OR), 2015-05-01(#4) |
| B-Mile | 5 | 4:13.86 | Christman, Cole (2015) (Wenatchee, WA) (US#80) | Pasco Invitational(WA), 2015-04-18(#3) |
| B-Mile | 6 | 4:14.26 | Smith, Stuart (2015) (Nathan Hale, WA) (US#87) | Pasco Invitational(WA), 2015-04-18(#4) |
| B-Mile | 7 | 4:16.54 | Vandine, Andrew (2015) (North Central, WA) | Jesuit Twilight Relays(OR), 2015-05-01(#7) |
| B-Mile | 8 | 4:16.93 | Kopczynski, Scott (2015) (East Valley, WA) | Jesuit Twilight Relays(OR), 2015-05-01(#8) |
| B-Mile | 9 | 4:17.51 | Villarma, Mason (2015) (South Kitsap, WA) | Arcadia Invitational(CA), 2015-04-11(#2) |
| B-Mile | 10 | 4:17.71 | Carroll, Cameron (2016) (Central Kitsap, WA) | Pasco Invitational(WA), 2015-04-18(#6) |
| | | National Elites above. State Elites below | | |
| B-Mile | 11 | 4:19.54 | Stevens, Chad (2015) (East Valley, WA) | Jesuit Twilight Relays(OR), 2015-05-01(#15) |
| B-Mile | 12 | 4:19.60 | Snyder, Andrew (2015) (Kamiakin, WA) | Pasco Invitational(WA), 2015-04-18(#8) |
| B-Mile | 13 | 4:20.02 | Markezich, Jordan (2015) (Woodinville, WA) | Pasco Invitational(WA), 2015-04-18(#9) |
| B-Mile | 14 | 4:20.59 | Houser, Tristan (2016) (Tahoma, WA) | Pasco Invitational(WA), 2015-04-18(#11) |
| B-Mile | 15 | 4:21.36 | Guermali, Said (2015) (Camas, WA) | Jesuit Twilight Relays(OR), 2015-05-01(#19) |
| B-Mile | 16 | 4:21.46 | Dressel, Hayden (2017) (Mt Spokane, WA) | Jesuit Twilight Relays(OR), 2015-05-01(#20) |
| B-Mile | 17 | 4:21.94 | Roux, Malcolm (2015) (Roosevelt, WA) | Pasco Invitational(WA), 2015-04-18(#12) |
| B-Mile | 18 | 4:23.49 | Rehm, Domenic (2015) (Medical Lake, WA) | Pasco Invitational(WA), 2015-04-18(#13) |
| B-Mile | 19 | 4:24.16 | Barringer, Charlie (2015) (Bothell, WA) | Pasco Invitational(WA), 2015-04-18(#14) |
| B-Mile | 20 | 4:26.36 | Schilter, Luke (2017) (Northwest Christian, WA) | Shelton Invitational(WA), 2015-05-02(#2) |
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