| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:35.78 | 2025 PCS Xmas Cracker | 2025-12-05 |
| 100m Breaststroke | 1:51.34 | 2025 PCS Xmas Cracker | 2025-12-05 |
| 100m Butterfly | 1:42.52 | 2025 PCS Xmas Cracker | 2025-12-05 |
| 100m Freestyle | 1:20.67 | 2025 PCS Xmas Cracker | 2025-12-05 |
| 200m Freestyle | 3:24.35 | RMSC Spring Invitational | 2025-03-08 |
| 200m IM | 3:22.39 | 2025 PCS Xmas Cracker | 2025-12-05 |
| 50m Backstroke | 42.18 | Chena Invitational | 2026-01-24 |
| 50m Breaststroke | 51.94 | Chena Invitational | 2026-01-24 |
| 50m Butterfly | 43.84 | 2025 PCS Xmas Cracker | 2025-12-05 |
| 50m Freestyle | 35.45 | Chena Invitational | 2026-01-24 |
Kolchak, Matthew's top personal bests include 100m Backstroke (1:35.78), 100m Breaststroke (1:51.34), 100m Butterfly (1:42.52), 100m Freestyle (1:20.67), 200m Freestyle (3:24.35).
Kolchak, Matthew swims for SwimFaster Club.
Kolchak, Matthew has competed in 5 meets.