| Event | Time | Meet | Date |
|---|---|---|---|
| 50m Backstroke | 43.82 | 2026 Superior Shores Challenge Cup - SEMI-FINALS | 2026-04-24 |
| 50m Breaststroke | 47.50 | 2026 Superior Shores Challenge Cup - SEMI-FINALS | 2026-04-24 |
| 50m Freestyle | 37.22 | 2026 Superior Shores Challenge Cup - SEMI-FINALS | 2026-04-24 |
Xu, Karter's top personal bests include 50m Backstroke (43.82), 50m Breaststroke (47.50), 50m Freestyle (37.22).
Xu, Karter swims for Sault Surge Aquatic Team.
Xu, Karter has competed in 1 meets.