15 swimmers
| # | Swimmer | Team | LSC | Time | Date |
|---|---|---|---|---|---|
| 1 | Devin Esser AZSWI | AZSWI | AZ | 10:26.02 | 2014-01-10 |
| 2 | Caden Carver AZHAV | AZHAV | AZ | 10:38.02 | 2009-01-17 |
| 3 | Antonio Ramirez SFF781 | SFF781 | AZ | 11:34.50 | 2008-01-26 |
| 4 | Daniel Thompson AZSWI | AZSWI | AZ | 11:37.26 | 2013-01-25 |
| 5 | Chris Ahearn SAC | SAC | AZ | 12:19.94 | 2018-01-19 |
| 6 | Bergen Davis GSC | GSC | AK | 12:20.71 | 2010-10-22 |
| 7 | Chris Laczynski SCSUM | SCSUM | SC | 12:23.24 | 2026-05-31 |
| 8 | Ethan Kellam AZSAN | AZSAN | AZ | 12:27.74 | 2017-01-20 |
| 9 | Nic Depner AZSWI | AZSWI | AZ | 12:38.15 | 2013-01-25 |
| 10 | Carson Porter AZSUN2 | AZSUN2 | AZ | 12:48.45 | 2013-01-25 |
| 11 | Joshua Law NLSC | NLSC | AK | 13:09.67 | 2014-06-27 |
| 12 | Braxton Bilbrey AZSWI | AZSWI | AZ | 13:29.00 | 2008-01-26 |
| 13 | Patrick McIntosh AKSTI | AKSTI | AK | 14:06.16 | 2013-06-14 |
| 14 | Owen Goertzen IALIN | IALIN | IA | 14:45.75 | 2026-06-21 |
| 15 | Cash Keller AZSWI | AZSWI | AZ | 16:52.24 | 2017-01-20 |