| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:18.56 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 100m Butterfly | 1:07.01 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 100m Freestyle | 1:02.81 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m Backstroke | 2:43.15 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 200m Breaststroke | 3:00.94 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 200m Butterfly | 2:25.61 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m Freestyle | 2:17.90 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 200m IM | 2:31.45 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 400m Freestyle | 4:53.41 | 2025 NYAC Cup | 2025-11-14 |
| 400m IM | 5:39.90 | 2025 NYAC Cup | 2025-11-14 |
| 50m Backstroke | 36.72 | 2025 Red vs Black #1 | 2025-10-05 |
| 50m Breaststroke | 39.52 | 2025 Red vs Black #1 | 2025-10-05 |
| 50m Butterfly | 32.43 | 2025 Red vs Black #1 | 2025-10-05 |
| 50m Freestyle | 29.54 | 2025 Downtown Sprint Meet | 2025-10-25 |
| 800m Freestyle | 9:41.19 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
Ferguson-Chow, Joshua's top personal bests include 100m Backstroke (1:18.56), 100m Butterfly (1:07.01), 100m Freestyle (1:02.81), 200m Backstroke (2:43.15), 200m Breaststroke (3:00.94).
Ferguson-Chow, Joshua swims for North York Aquatic Club.
Ferguson-Chow, Joshua has competed in 11 meets.