Note: This is a list of top performances in all events. No conversions are applied. Wind-aided marks are excluded.
| Athlete | Year | Time | Meet | Meet Date | |
|---|---|---|---|---|---|
| Alexander-Blake, Hakeem | SO-2 | 56.70 | Queensborough Relays | Apr 12, 2019 |
| Time | Athletes | Meet | Meet Date | |
|---|---|---|---|---|
| 44.95 | Sinera, Alexander-Blake, Anderson, McIntyre | 125th Penn Relays | Apr 25, 2019 |
| Time | Athletes | Meet | Meet Date | |
|---|---|---|---|---|
| 1:35.58 | Alexander-Blake, Tull, Sinera, McIntyre | 125th Penn Relays | Apr 25, 2019 |