| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Breaststroke | 1:34.96 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 100m Butterfly | 1:16.69 | MAC Rising Star #2 | 2025-05-30 |
| 100m Butterfly | 1:14.05 | 2025 NYAC Cup | 2025-11-14 |
| 100m Freestyle | 1:03.38 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 100m Freestyle | 1:00.89 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 100m IM | 1:17.26 | 2025 OAK Brad Townsend Fall Classic | 2025-10-17 |
| 200m Backstroke | 3:00.73 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 200m Backstroke | 2:46.71 | 2025 NYAC Cup | 2025-11-14 |
| 200m Breaststroke | 3:27.75 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 200m Breaststroke | 3:15.24 | David Lawson Invitational 2026 | 2026-01-23 |
| 200m Freestyle | 2:23.50 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 200m Freestyle | 2:17.35 | David Lawson Invitational 2026 | 2026-01-23 |
| 200m IM | 2:44.98 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 200m IM | 2:41.71 | 2025 NYAC Cup | 2025-11-14 |
| 400m Freestyle | 5:10.87 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 400m Freestyle | 5:01.07 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Backstroke | 35.02 | 2025 NYAC Cup | 2025-11-14 |
| 50m Breaststroke | 38.51 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Butterfly | 31.54 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Freestyle | 28.69 | MAC Rising Star #2 | 2025-05-30 |
| 50m Freestyle | 27.05 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 800m Freestyle | 10:17.36 | David Lawson Invitational 2026 | 2026-01-23 |
Tsang, Jonah's top personal bests include 100m Breaststroke (1:34.96), 100m Butterfly (1:16.69), 100m Butterfly (1:14.05), 100m Freestyle (1:03.38), 100m Freestyle (1:00.89).
Tsang, Jonah swims for Oakville Aquatic Club.
Tsang, Jonah has competed in 9 meets.