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 | |
|---|---|---|---|---|---|
| Chance, Zenron | SO-2 | 54.95 | 2019 Tom Farrell Classic | May 4, 2019 | |
| Aaron, Akeem | FR-1 | 55.56 | 2019 Tom Farrell Classic | May 4, 2019 |
| Time | Athletes | Meet | Meet Date | |
|---|---|---|---|---|
| 43.21 | Boyce-Marcelle, Alexander, Chance, Aaron | 125th Penn Relays | Apr 25, 2019 |
| Time | Athletes | Meet | Meet Date | |
|---|---|---|---|---|
| 1:27.67 | Boyce-Marcelle, Alexander, Aaron, Chance | 125th Penn Relays | Apr 25, 2019 |
| Time | Athletes | Meet | Meet Date | |
|---|---|---|---|---|
| 3:16.12 | Alexander, Ba, Chance, Boyce-Marcelle | Florida Relays | Mar 28, 2019 |
| Time | Athletes | Meet | Meet Date | |
|---|---|---|---|---|
| 3:25.22 | Alexander, Boyce-Marcelle, Chance, Ba | Florida Relays | Mar 28, 2019 |