6 swimmers
| # | Swimmer | Team | LSC | Time | Date |
|---|---|---|---|---|---|
| 1 | Bubbles Guillaume S2BB6F | S2BB6F | AZ | 22:19.48 | 2017-01-20 |
| 2 | Isabelle Sexson SAC | SAC | AZ | 24:23.28 | 2014-01-10 |
| 3 | Alana Tipton OKSWI | OKSWI | OK | 24:39.83 | 2025-01-10 |
| 4 | Peyton Nicholson MEMOU | MEMOU | ME | 27:51.99 | 2026-06-20 |
| 5 | Sage Kenney ADHAWK | ADHAWK | AD | 28:01.33 | 2025-07-22 |
| 6 | Anika Mody CAQ | CAQ | NM | 28:33.93 | 2025-06-13 |