| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Butterfly | 1:18.64 | 2026 Manta Grand Prix | 2026-02-20 |
| 1500m Freestyle | 3:59.31 | St. James Seals Invitational | 2026-01-23 |
| 200m Backstroke | 2:41.47 | 2026 Manta Grand Prix | 2026-02-20 |
| 200m Breaststroke | 3:17.09 | Seals West Side Challenge | 2025-11-28 |
| 200m Butterfly | 2:57.37 | St. James Seals Invitational | 2026-01-23 |
| 200m Freestyle | 2:27.46 | Seals West Side Challenge | 2025-11-28 |
| 200m IM | 2:48.47 | The Steve Molloy Invitational 2025 | 2025-11-07 |
| 400m Freestyle | 5:15.42 | Seals West Side Challenge | 2025-11-28 |
| 800m Freestyle | 10:53.25 | Seals West Side Challenge | 2025-11-28 |
Purvis, Benjamin's top personal bests include 100m Butterfly (1:18.64), 1500m Freestyle (3:59.31), 200m Backstroke (2:41.47), 200m Breaststroke (3:17.09), 200m Butterfly (2:57.37).
Purvis, Benjamin swims for Alpha Swim Club.
Purvis, Benjamin has competed in 5 meets.