22 swimmers
| # | Swimmer | Team | LSC | Time | Date |
|---|---|---|---|---|---|
| 1 | Samuel Nagy AZANT | AZANT | AZ | 3:04.67 | 2023-10-28 |
| 2 | Cooper Kiel AZPHO | AZPHO | AZ | 3:18.48 | 2013-01-25 |
| 3 | Devin Esser AZSWI | AZSWI | AZ | 3:19.07 | 2014-01-10 |
| 4 | Zack Paliscak SAC | SAC | AZ | 3:24.78 | 2011-01-29 |
| 5 | Logan Miller AZSWI | AZSWI | AZ | 3:36.78 | 2010-01-30 |
| 6 | Camden Wongso OKSWI | OKSWI | OK | 3:46.81 | 2025-01-10 |
| 7 | Liam Slaughter MVTSU | MVTSU | MV | 3:48.69 | 2025-11-07 |
| 8 | Beri Yang JSC | JSC | AZ | 3:49.05 | 2014-03-22 |
| 9 | Ryan Casseday SAC | SAC | AZ | 3:52.57 | 2010-01-30 |
| 10 | Nicholas Alexandrovich YWSF | YWSF | AZ | 3:54.38 | 2023-10-28 |
| 11 | Kegan Lynch AZSWI | AZSWI | AZ | 3:57.53 | 2014-01-10 |
| 12 | Ian Addanki OHHUD | OHHUD | OH | 4:06.67 | 2025-07-08 |
| 13 | Nic Depner AZSWI | AZSWI | AZ | 4:11.18 | 2013-01-25 |
| 14 | Will Blanc GSC | GSC | AK | 4:11.31 | 2010-04-24 |
| 15 | Charlie Jim GSC | GSC | AK | 4:14.33 | 2010-04-24 |
| 16 | Kevin Nguyen AZTUC | AZTUC | AZ | 4:19.91 | 2014-03-22 |
| 17 | Tim Nikolaev AZTUC | AZTUC | AZ | 4:23.23 | 2014-03-22 |
| 18 | Bo Hutchinson STPFL | STPFL | ST | 4:28.45 | 2026-03-12 |
| 19 | Kevin Fast AKKNI | AKKNI | AK | 4:35.24 | 2010-10-22 |
| 20 | Michael Markovic STPFL | STPFL | ST | 4:52.70 | 2026-03-12 |
| 21 | Duncan Simpson NECAN | NECAN | NE | 4:56.55 | 2026-06-21 |
| 22 | Hayden Jimenez AKHAI | AKHAI | AK | 5:49.39 | 2015-11-07 |