| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:23.31 | June Performance Meet 2025 | 2025-06-06 |
| 100m Backstroke | 1:17.70 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Breaststroke | 1:37.04 | MAC Winter Invitational | 2026-01-22 |
| 100m Breaststroke | 1:35.08 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Butterfly | 1:33.42 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 100m Butterfly | 1:29.45 | 2026 MSSAC 14U Future Stars | 2026-01-31 |
| 100m Freestyle | 1:10.39 | June Performance Meet 2025 | 2025-06-06 |
| 100m Freestyle | 1:05.64 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 200m Backstroke | 2:56.01 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 200m Backstroke | 2:45.59 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m Breaststroke | 3:30.20 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 200m Butterfly | 3:27.20 | June Performance Meet 2025 | 2025-06-06 |
| 200m Freestyle | 2:27.20 | MAC Winter Invitational | 2026-01-22 |
| 200m Freestyle | 2:23.93 | 2025 MSSAC Open | 2025-12-19 |
| 200m IM | 3:00.80 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 200m IM | 2:48.77 | 2025 MSSAC Open | 2025-12-19 |
| 400m Freestyle | 5:18.93 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 400m Freestyle | 5:09.88 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 400m IM | 6:18.59 | June Performance Meet 2025 | 2025-06-06 |
| 50m Backstroke | 37.82 | MAC Winter Invitational | 2026-01-22 |
| 50m Backstroke | 35.13 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Breaststroke | 42.06 | 2026 MSSAC 14U Future Stars | 2026-01-31 |
| 50m Butterfly | 35.67 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Freestyle | 32.68 | June Performance Meet 2025 | 2025-06-06 |
| 50m Freestyle | 30.55 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 800m Freestyle | 11:01.52 | June Performance Meet 2025 | 2025-06-06 |
| 800m Freestyle | 11:03.75 | 2025 Alex Baumann Invitational | 2025-11-21 |
Ng, Ho June's top personal bests include 100m Backstroke (1:23.31), 100m Backstroke (1:17.70), 100m Breaststroke (1:37.04), 100m Breaststroke (1:35.08), 100m Butterfly (1:33.42).
Ng, Ho June swims for Mississauga Aquatic Club.
Ng, Ho June has competed in 12 meets.