| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:24.21 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 100m Backstroke | 1:23.88 | 2025 OAK Brad Townsend Fall Classic | 2025-10-17 |
| 100m Breaststroke | 1:37.53 | David Lawson Invitational 2026 | 2026-01-23 |
| 100m Freestyle | 1:13.58 | MAC Rising Star #2 | 2025-05-30 |
| 100m Freestyle | 1:10.10 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m Backstroke | 3:00.01 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 200m Backstroke | 2:52.45 | David Lawson Invitational 2026 | 2026-01-23 |
| 200m Breaststroke | 3:47.67 | MAC Rising Star #2 | 2025-05-30 |
| 200m Breaststroke | 3:22.82 | David Lawson Invitational 2026 | 2026-01-23 |
| 200m Freestyle | 2:37.66 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 200m Freestyle | 2:37.11 | David Lawson Invitational 2026 | 2026-01-23 |
| 200m IM | 3:07.43 | 2025 OAK Brad Townsend Fall Classic | 2025-10-17 |
| 400m Freestyle | 5:43.13 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 400m IM | 6:47.28 | MAC Rising Star #2 | 2025-05-30 |
| 50m Backstroke | 36.81 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 50m Butterfly | 41.53 | MAC Rising Star #2 | 2025-05-30 |
| 50m Butterfly | 41.86 | 2025 OAK Brad Townsend Fall Classic | 2025-10-17 |
| 50m Freestyle | 33.06 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 50m Freestyle | 33.77 | 2025 OAK Brad Townsend Fall Classic | 2025-10-17 |
| 800m Freestyle | 11:59.34 | MAC Rising Star #2 | 2025-05-30 |
Chown, Logan's top personal bests include 100m Backstroke (1:24.21), 100m Backstroke (1:23.88), 100m Breaststroke (1:37.53), 100m Freestyle (1:13.58), 100m Freestyle (1:10.10).
Chown, Logan swims for Oakville Aquatic Club.
Chown, Logan has competed in 7 meets.