| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:46.87 | Chena Invitational | 2026-01-24 |
| 100m Breaststroke | 1:45.88 | 2025 Spartan Santa | 2025-12-06 |
| 100m Butterfly | 1:57.50 | 2025 Spartan Santa | 2025-12-06 |
| 200m Freestyle | 3:29.40 | 2025 Spartan Santa | 2025-12-06 |
| 200m IM | 3:33.64 | Chena Invitational | 2026-01-24 |
| 50m Butterfly | 41.97 | Chena Invitational | 2026-01-24 |
| 50m Freestyle | 38.20 | 2025 Spartan Santa | 2025-12-06 |
Peng, Jonathan's top personal bests include 100m Backstroke (1:46.87), 100m Breaststroke (1:45.88), 100m Butterfly (1:57.50), 200m Freestyle (3:29.40), 200m IM (3:33.64).
Peng, Jonathan swims for Pacific Sea Wolves.
Peng, Jonathan has competed in 2 meets.