| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:57.00 | LC Winter Invitational | 2026-01-30 |
| 100m Backstroke | 1:47.95 | GMAC Dash for Cash | 2025-12-05 |
| 100m Freestyle | 1:48.10 | Fins Up 3 | 2026-01-18 |
| 100m Freestyle | 1:44.16 | FinsUp 1 | 2025-10-26 |
| 100m IM | 1:50.44 | GMAC Dash for Cash | 2025-12-05 |
| 200m Freestyle | 3:51.17 | GMAC Dash for Cash | 2025-12-05 |
| 50m Backstroke | 47.57 | Fins Up 3 | 2026-01-18 |
| 50m Backstroke | 49.72 | GMAC Dash for Cash | 2025-12-05 |
| 50m Breaststroke | 59.46 | LC Winter Invitational | 2026-01-30 |
| 50m Breaststroke | 55.02 | GMAC Dash for Cash | 2025-12-05 |
| 50m Butterfly | 1:03.32 | LC Winter Invitational | 2026-01-30 |
| 50m Butterfly | 58.37 | GMAC Dash for Cash | 2025-12-05 |
| 50m Freestyle | 44.93 | FinsUp 2 | 2025-11-23 |
Symeonakis, Benjamin's top personal bests include 100m Backstroke (1:57.00), 100m Backstroke (1:47.95), 100m Freestyle (1:48.10), 100m Freestyle (1:44.16), 100m IM (1:50.44).
Symeonakis, Benjamin swims for Sarnia Rapids Swim Club.
Symeonakis, Benjamin has competed in 5 meets.