| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:57.63 | 2026 Mallards Winter LC Invitational | 2026-01-30 |
| 100m Backstroke | 1:50.82 | RHAC Fall Classic 2025 | 2025-10-24 |
| 100m Breaststroke | 1:54.50 | 2026 Mallards Winter LC Invitational | 2026-01-30 |
| 100m Breaststroke | 1:45.56 | MAC Jingle Bell | 2025-12-12 |
| 100m Freestyle | 1:31.83 | MAC Rising Star #2 | 2025-05-30 |
| 100m Freestyle | 1:33.83 | MAC Jingle Bell | 2025-12-12 |
| 200m Backstroke | 4:28.25 | MAC Rising Star #2 | 2025-05-30 |
| 200m Backstroke | 4:13.40 | 2025 RHAC Summer League | 2025-07-18 |
| 200m Breaststroke | 3:53.22 | RHAC Winter Invitational 2026 | 2026-01-16 |
| 200m Breaststroke | 3:53.53 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m Freestyle | 3:17.74 | 2026 Mallards Winter LC Invitational | 2026-01-30 |
| 200m Freestyle | 3:14.29 | RHAC Fall Classic 2025 | 2025-10-24 |
| 25m Butterfly | 23.73 | MAC Jingle Bell | 2025-12-12 |
| 400m Freestyle | 7:12.13 | RHAC Winter Invitational 2026 | 2026-01-16 |
| 50m Backstroke | 56.86 | 2026 Mallards Winter LC Invitational | 2026-01-30 |
| 50m Backstroke | 53.86 | 2025 RHAC Summer League | 2025-07-18 |
| 50m Breaststroke | 51.80 | 2026 Mallards Winter LC Invitational | 2026-01-30 |
| 50m Breaststroke | 50.89 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Butterfly | 1:00.67 | 2026 Mallards Winter LC Invitational | 2026-01-30 |
| 50m Butterfly | 1:02.19 | MAC Jingle Bell | 2025-12-12 |
| 50m Freestyle | 40.83 | June Performance Meet 2025 | 2025-06-06 |
| 50m Freestyle | 38.99 | MAC Jingle Bell | 2025-12-12 |
Ng, Jacob's top personal bests include 100m Backstroke (1:57.63), 100m Backstroke (1:50.82), 100m Breaststroke (1:54.50), 100m Breaststroke (1:45.56), 100m Freestyle (1:31.83).
Ng, Jacob swims for Swim Apex Aquatic Club.
Ng, Jacob has competed in 11 meets.