| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:11.74 | BC Winter Divisionals - Island & Coastal Vancouver | 2026-02-20 |
| 100m Freestyle | 1:01.44 | BC Winter Divisionals - Island & Coastal Vancouver | 2026-02-20 |
| 200m Backstroke | 2:38.07 | 2025 PCS Xmas Cracker | 2025-12-05 |
| 200m Freestyle | 2:25.09 | Winskill Dolphins LMR | 2025-10-25 |
| 200m IM | 2:46.67 | 2025 PCS Xmas Cracker | 2025-12-05 |
| 400m Freestyle | 4:41.49 | BC Winter Divisionals - Island & Coastal Vancouver | 2026-02-20 |
| 50m Backstroke | 33.09 | BC Winter Divisionals - Island & Coastal Vancouver | 2026-02-20 |
| 50m Butterfly | 30.30 | BC Winter Divisionals - Island & Coastal Vancouver | 2026-02-20 |
| 50m Freestyle | 28.09 | BC Winter Divisionals - Island & Coastal Vancouver | 2026-02-20 |
Kolchak, Jake's top personal bests include 100m Backstroke (1:11.74), 100m Freestyle (1:01.44), 200m Backstroke (2:38.07), 200m Freestyle (2:25.09), 200m IM (2:46.67).
Kolchak, Jake swims for SwimFaster Club.
Kolchak, Jake has competed in 7 meets.