| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:50.60 | 2026 Fernie Fox Invitational | 2026-04-17 |
| 100m Breaststroke | 2:17.83 | 2026 Fernie Fox Invitational | 2026-04-17 |
| 100m Freestyle | 1:48.55 | 2026 Fernie Fox Invitational | 2026-04-17 |
| 50m Backstroke | 52.83 | 2026 Fernie Fox Invitational | 2026-04-17 |
| 50m Breaststroke | 1:05.44 | 2026 Fernie Fox Invitational | 2026-04-17 |
| 50m Freestyle | 45.01 | 2026 Fernie Fox Invitational | 2026-04-17 |
Koch, Benjamin's top personal bests include 100m Backstroke (1:50.60), 100m Breaststroke (2:17.83), 100m Freestyle (1:48.55), 50m Backstroke (52.83), 50m Breaststroke (1:05.44).
Koch, Benjamin swims for Elk Valley Dolphins Swim Club.
Koch, Benjamin has competed in 2 meets.