| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 58.44 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 100m Butterfly | 1:01.24 | 2025 NKB Fall Invitational | 2025-10-17 |
| 100m Freestyle | 55.69 | GO Fall Halloween Invitational 2025 | 2025-11-01 |
| 100m IM | 1:02.74 | 2025 NKB Fall Invitational | 2025-10-17 |
| 1500m Freestyle | 3.81 | KBM Distance & Development | 2025-11-08 |
| 200m Backstroke | 2:05.49 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 200m Breaststroke | 2:46.38 | 2025 NKB Fall Invitational | 2025-10-17 |
| 200m Freestyle | 1:57.94 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 200m IM | 2:15.36 | GO Fall Halloween Invitational 2025 | 2025-11-01 |
| 400m Freestyle | 4:15.51 | 2025 NKB Fall Invitational | 2025-10-17 |
| 400m IM | 4:45.21 | GO Fall Halloween Invitational 2025 | 2025-11-01 |
| 50m Backstroke | 27.33 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 50m Butterfly | 27.85 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
Ko, Liam's top personal bests include 100m Backstroke (58.44), 100m Butterfly (1:01.24), 100m Freestyle (55.69), 100m IM (1:02.74), 1500m Freestyle (3.81).
Ko, Liam swims for Nepean Kanata Barracudas Swim Club.
Ko, Liam has competed in 7 meets.