| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 2:10.32 | CVSC Otters Summer Splash 2025 | 2025-06-07 |
| 100m Breaststroke | 2:52.93 | CVSC Otters Summer Splash 2025 | 2025-06-07 |
| 100m Freestyle | 2:08.10 | CVSC Otters Summer Splash 2025 | 2025-06-07 |
| 50m Backstroke | 55.31 | CVSC Otters Summer Splash 2025 | 2025-06-07 |
| 50m Breaststroke | 1:23.29 | CVSC Otters Summer Splash 2025 | 2025-06-07 |
| 50m Freestyle | 1:00.12 | CVSC Otters Summer Splash 2025 | 2025-06-07 |
Koch, Benjamin's top personal bests include 100m Backstroke (2:10.32), 100m Breaststroke (2:52.93), 100m Freestyle (2:08.10), 50m Backstroke (55.31), 50m Breaststroke (1:23.29).
Koch, Benjamin swims for Elk Valley Dolphins Swim Club.
Koch, Benjamin has competed in 1 meets.