Note: This is a list of top performances eligible for official POP lists and championship qualifying. Conversions may be applied.
| Athlete | Year | Time | Meet | Meet Date | |
|---|---|---|---|---|---|
| Ely, Shane | FR-1 | 4:01.32 | Beach Opener | Mar 7, 2020 | |
| Garcia, Joseph | JR-3 | 4:02.43 | Beach Opener | Mar 7, 2020 | |
| Hart, Weston | SO-2 | 4:03.22 | Beach Opener | Mar 7, 2020 | |
| Frisone, Ethan | SO-2 | 4:04.00 | Beach Opener | Mar 7, 2020 | |
| McCarthy, Cooper | FR-1 | 4:05.35 | Beach Opener | Mar 7, 2020 |