| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Breaststroke | 1:16.16 | 2025 NKB Fall Invitational | 2025-10-17 |
| 100m Butterfly | 59.24 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 100m Freestyle | 56.81 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 100m IM | 1:03.69 | 2025 NKB Fall Invitational | 2025-10-17 |
| 1500m Freestyle | 2:01.10 | KBM Distance & Development | 2025-11-08 |
| 200m Butterfly | 2:18.24 | 2025 NKB Fall Invitational | 2025-10-17 |
| 200m IM | 2:21.92 | 2025 NKB Fall Invitational | 2025-10-17 |
| 400m Freestyle | 4:39.34 | 2025 NKB Fall Invitational | 2025-10-17 |
| 50m Backstroke | 29.81 | GO Fall Halloween Invitational 2025 | 2025-11-01 |
| 50m Butterfly | 27.20 | GO Fall Halloween Invitational 2025 | 2025-11-01 |
| 50m Freestyle | 25.54 | GO Fall Halloween Invitational 2025 | 2025-11-01 |
| 800m Freestyle | 9:57.55 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
Kim, Sungyoun's top personal bests include 100m Breaststroke (1:16.16), 100m Butterfly (59.24), 100m Freestyle (56.81), 100m IM (1:03.69), 1500m Freestyle (2:01.10).
Kim, Sungyoun swims for Nepean Kanata Barracudas Swim Club.
Kim, Sungyoun has competed in 7 meets.