| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:00.75 | 2025 LC Far Western Championship | 2025-07-31 |
| 100m Breaststroke | 1:12.89 | 2025 LC Far Western Championship | 2025-07-31 |
| 100m Freestyle | 55.57 | 2025 LC Far Western Championship | 2025-07-31 |
| 200m Breaststroke | 2:37.45 | 2025 LC Far Western Championship | 2025-07-31 |
| 200m IM | 2:14.34 | 2025 LC Far Western Championship | 2025-07-31 |
Parkes, Joshua's top personal bests include 100m Backstroke (1:00.75), 100m Breaststroke (1:12.89), 100m Freestyle (55.57), 200m Breaststroke (2:37.45), 200m IM (2:14.34).
Parkes, Joshua swims for Santa Clara Swim Club.
Parkes, Joshua has competed in 1 meets.