| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:22.40 | BC Winter Divisionals - Vancouver & Fraser | 2026-02-20 |
| 100m Breaststroke | 1:25.06 | 2026 BC Winter Provincial Championships | 2026-03-05 |
| 100m Butterfly | 1:20.82 | Delta March LMR | 2026-03-14 |
| 100m Freestyle | 1:16.94 | VPSC Fall Invitational 2025 | 2025-10-18 |
| 100m IM | 1:19.24 | Titans Fall Invitational | 2025-11-29 |
| 200m Backstroke | 3:02.89 | BC Winter Divisionals - Vancouver & Fraser | 2026-02-20 |
| 200m Breaststroke | 3:10.66 | Titans Fall Invitational | 2025-11-29 |
| 200m Freestyle | 2:52.83 | VPSC Fall Invitational 2025 | 2025-10-18 |
| 200m IM | 2:53.94 | Titans Fall Invitational | 2025-11-29 |
| 400m IM | 6:15.18 | Titans Fall Invitational | 2025-11-29 |
| 50m Backstroke | 37.73 | SKSC Winterfest | 2026-01-24 |
| 50m Breaststroke | 37.79 | BC Winter Divisionals - Vancouver & Fraser | 2026-02-20 |
| 50m Butterfly | 33.98 | Titans Fall Invitational | 2025-11-29 |
| 50m Freestyle | 31.73 | SKSC Winterfest | 2026-01-24 |
Pak, Jayna's top personal bests include 100m Backstroke (1:22.40), 100m Breaststroke (1:25.06), 100m Butterfly (1:20.82), 100m Freestyle (1:16.94), 100m IM (1:19.24).
Pak, Jayna swims for Ridge Meadows Swim Club.
Pak, Jayna has competed in 11 meets.