| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Freestyle | 1:54.50 | Mini OAKS Meet #2 - 2026 | 2026-02-21 |
| 50m Backstroke | 56.37 | Mini OAKS Meet #2 - 2026 | 2026-02-21 |
| 50m Breaststroke | 1:05.23 | Mini OAKS Meet #2 - 2026 | 2026-02-21 |
| 50m Freestyle | 51.94 | Mini OAKS Meet #1 - 2025 | 2025-11-29 |
Xiao, Yaxin's top personal bests include 100m Freestyle (1:54.50), 50m Backstroke (56.37), 50m Breaststroke (1:05.23), 50m Freestyle (51.94).
Xiao, Yaxin swims for Oakville Aquatic Club.
Xiao, Yaxin has competed in 3 meets.