| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:17.53 | BC Winter Divisionals - Vancouver & Fraser | 2026-02-20 |
| 100m Breaststroke | 1:25.30 | BC Winter Divisionals - Vancouver & Fraser | 2026-02-20 |
| 100m Butterfly | 1:23.99 | Titans Fall Invitational | 2025-11-29 |
| 100m Freestyle | 1:06.06 | BC Winter Divisionals - Vancouver & Fraser | 2026-02-20 |
| 200m Backstroke | 2:46.39 | Mies Schootman Invitational 2026 | 2026-01-16 |
| 200m Breaststroke | 3:08.64 | BC Winter Divisionals - Vancouver & Fraser | 2026-02-20 |
| 200m Freestyle | 2:31.46 | Mies Schootman Invitational 2026 | 2026-01-16 |
| 200m IM | 2:52.64 | BC Winter Divisionals - Vancouver & Fraser | 2026-02-20 |
| 400m Freestyle | 5:32.96 | OS Annual Short Course Invitational Swim Meet | 2025-10-31 |
| 50m Backstroke | 37.04 | BC Winter Divisionals - Vancouver & Fraser | 2026-02-20 |
| 50m Breaststroke | 38.47 | Titans Fall Invitational | 2025-11-29 |
| 50m Butterfly | 34.82 | BC Winter Divisionals - Vancouver & Fraser | 2026-02-20 |
| 50m Freestyle | 28.87 | BC Winter Divisionals - Vancouver & Fraser | 2026-02-20 |
Park, Younghwan's top personal bests include 100m Backstroke (1:17.53), 100m Breaststroke (1:25.30), 100m Butterfly (1:23.99), 100m Freestyle (1:06.06), 200m Backstroke (2:46.39).
Park, Younghwan swims for Olympians Swimming.
Park, Younghwan has competed in 7 meets.