| Event | Rank | Mark | By | Meet |
| B-1500 | 1 | 3:47.69 | Dressel, John (2015) (Mt Spokane, WA) (US#4) | Portland Track Festival(OR), 2015-06-14(#8) |
| B-1500 | 2 | 3:51.32 | Anderson, Tanner (2015) (North Central, WA) (US#9) | Jesuit Twilight Relays(OR), 2015-05-01(#3) |
| B-1500 | 3 | 3:54.07 | Janke, Justin (2016) (North Central, WA) (US#22) | Jesuit Twilight Relays(OR), 2015-05-01(#5) |
| B-1500 | 4 | 3:57.21 | Demars, Briton (2015) (Central Valley, WA) (US#53) | Oregon Relays(OR), 2015-04-18(#1) |
| B-1500 | 5 | 3:57.61 | Vandine, Andrew (2015) (North Central, WA) (US#58) | Jesuit Twilight Relays(OR), 2015-05-01(#7) |
| B-1500 | 6 | 3:57.97 | Kopczynski, Scott (2015) (East Valley, WA) (US#64) | Jesuit Twilight Relays(OR), 2015-05-01(#8) |
| B-1500 | 7 | 3:59.96 | Pixler, Nathan (2016) (Eastlake, WA) (US#94) | Oregon Relays(OR), 2015-04-18(#4) |
| B-1500 | 8 | 4:00.85 | Stevens, Chad (2015) (East Valley, WA) | Jesuit Twilight Relays(OR), 2015-05-01(#16) |
| B-1500 | 9 | 4:01.49 | Harbertson, Kaden (2015) (Skyview, WA) | Centennial Invitational(OR), 2015-04-25(#1) |
| B-1500 | 10 | 4:01.70 | Yearian, Jack (2016) (Bellarmine Prep, WA) | Jesuit Twilight Relays(OR), 2015-05-01(#18) |
| B-1500 | 11 | 4:01.71 | Mcdermott, Patrick (2015) (Ingraham, WA) | Oregon Relays(OR), 2015-04-18(#7) |
| B-1500 | 12 | 4:02.07 | Guermali, Said (2015) (Camas, WA) | Jesuit Twilight Relays(OR), 2015-05-01(#19) |
| B-1500 | 13 | 4:02.17 | Dressel, Hayden (2017) (Mt Spokane, WA) | Jesuit Twilight Relays(OR), 2015-05-01(#20) |
| B-1500 | 14 | 4:04.46 | Scheidel, Mason (2016) (Skyview, WA) | Centennial Invitational(OR), 2015-04-25(#2) |
| | | National Elites above. State Elites below | | |
| B-1500 | 15 | 4:06.24 | Bryant, Adamson (2016) (Eastlake, WA) | Oregon Relays(OR), 2015-04-18(#15) |
| B-1500 | 16 | 4:07.23 | Iben, Alex (2017) (Walla Walla, WA) | Centennial Invitational(OR), 2015-04-25(#5) |
| B-1500 | 17 | 4:07.96 | Slichko, Lance (2017) (Emerald Ridge, WA) | Oregon Relays(OR), 2015-04-18(#19) |
| B-1500 | 18 | 4:08.24 | Moore, Jordan (2015) (Union, WA) | Jesuit Twilight Relays(OR), 2015-05-01(#11) |
| B-1500 | 19 | 4:09.99 | Glade, Cameron (2015) (Kamiakin, WA) | Hermiston Kiwanis Invitational(OR), 2015-04-25(#2) |
| B-1500 | 20 | 4:10.04 | Mullen, Wyatt (2015) (Burlington-Edison, WA) | Oregon Relays(OR), 2015-04-18(#22) |
| B-1500 | 21 | 4:10.18 | Guermali, Yacine (2017) (Camas, WA) | McMinnville Invitational(OR), 2015-04-24(#2) |
| B-1500 | 22 | 4:10.31 | Sandoval, Jonah (2016) (Richland, WA) | Oregon Relays(OR), 2015-04-18(#24) |
| B-1500 | 23 | 4:12.34 | Schwiesow, Alek (2015) (Moses Lake, WA) | Hermiston Kiwanis Invitational(OR), 2015-04-25(#3) |
| B-1500 | 24 | 4:22.51 | Barringer, Charlie (2015) (Bothell, WA) | Pasco Invitational(WA), 2015-04-18(#14) |
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| | | See more performances for B-1500 | | |
