| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Breaststroke | 1:29.54 | Cascade Speed Meet 2025 Provincial Series #1 | 2025-11-08 |
| 100m Butterfly | 1:26.03 | Cascade Speed Meet 2025 Provincial Series #1 | 2025-11-08 |
| 100m Freestyle | 1:10.94 | Western Transmountain Festival II | 2026-02-17 |
| 100m IM | 1:21.20 | Cascade Speed Meet 2025 Provincial Series #1 | 2025-11-08 |
| 200m Backstroke | 2:54.31 | Sandy Ferris Age Group Food Bank Challenge 2025 | 2025-12-19 |
| 200m Breaststroke | 3:09.24 | Summer Festival | 2025-06-13 |
| 200m IM | 2:54.13 | Western Transmountain Festival II | 2026-02-17 |
| 400m Freestyle | 5:42.34 | Summer Festival | 2025-06-13 |
| 50m Backstroke | 38.08 | Mini Pro: Speed Meet 2025 | 2025-11-07 |
| 50m Breaststroke | 39.53 | Sandy Ferris Age Group Food Bank Challenge 2025 | 2025-12-19 |
| 50m Butterfly | 36.50 | Western Transmountain Festival II | 2026-02-17 |
| 50m Freestyle | 31.87 | Sandy Ferris Age Group Food Bank Challenge 2025 | 2025-12-19 |
Yao, Yuchen's top personal bests include 100m Breaststroke (1:29.54), 100m Butterfly (1:26.03), 100m Freestyle (1:10.94), 100m IM (1:21.20), 200m Backstroke (2:54.31).
Yao, Yuchen swims for Cascade Swim Club.
Yao, Yuchen has competed in 10 meets.