| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:25.93 | 2026 Trojan Pentathlon | 2026-03-06 |
| 100m Breaststroke | 1:46.92 | BAD Outdoor LC Invitational | 2025-06-20 |
| 100m Breaststroke | 1:37.84 | 2026 Trojan Pentathlon | 2026-03-06 |
| 100m Butterfly | 1:30.08 | 2026 Trojan Pentathlon | 2026-03-06 |
| 100m Freestyle | 1:16.94 | 2026 Trojan Pentathlon | 2026-03-06 |
| 100m IM | 1:28.39 | MAC Jingle Bell | 2025-12-12 |
| 200m Backstroke | 3:25.73 | MAC Rising Star #2 | 2025-05-30 |
| 200m Backstroke | 3:09.19 | 2026 Trojan Pentathlon | 2026-03-06 |
| 200m Breaststroke | 3:44.28 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 200m Breaststroke | 3:29.24 | David Lawson Invitational 2026 | 2026-01-23 |
| 200m Freestyle | 2:52.05 | David Lawson Invitational 2026 | 2026-01-23 |
| 200m IM | 3:22.37 | BAD Outdoor LC Invitational | 2025-06-20 |
| 200m IM | 3:09.77 | 2026 Trojan Pentathlon | 2026-03-06 |
| 50m Backstroke | 44.42 | BAD Outdoor LC Invitational | 2025-06-20 |
| 50m Backstroke | 41.39 | MAC Jingle Bell | 2025-12-12 |
| 50m Breaststroke | 50.41 | BAD Outdoor LC Invitational | 2025-06-20 |
| 50m Breaststroke | 45.83 | MAC Jingle Bell | 2025-12-12 |
| 50m Butterfly | 46.56 | MAC Rising Star #2 | 2025-05-30 |
| 50m Butterfly | 39.51 | David Lawson Invitational 2026 | 2026-01-23 |
| 50m Freestyle | 36.92 | MAC Rising Star #2 | 2025-05-30 |
| 50m Freestyle | 35.92 | MAC Jingle Bell | 2025-12-12 |
Choi, Jioh's top personal bests include 100m Backstroke (1:25.93), 100m Breaststroke (1:46.92), 100m Breaststroke (1:37.84), 100m Butterfly (1:30.08), 100m Freestyle (1:16.94).
Choi, Jioh swims for Oakville Aquatic Club.
Choi, Jioh has competed in 8 meets.