| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:27.54 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Breaststroke | 1:37.77 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Butterfly | 1:53.52 | 2025 Alex Baumann Invitational | 2025-11-21 |
| 100m Freestyle | 1:17.27 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m Backstroke | 2:59.50 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m Breaststroke | 3:44.24 | MAC Jingle Bell | 2025-12-12 |
| 200m IM | 3:17.87 | MAC Jingle Bell | 2025-12-12 |
| 400m Freestyle | 6:16.56 | MAC Jingle Bell | 2025-12-12 |
| 50m Backstroke | 44.57 | MAC Jingle Bell | 2025-12-12 |
| 50m Breaststroke | 46.53 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Butterfly | 48.37 | RHAC Fall Classic 2025 | 2025-10-24 |
| 50m Freestyle | 34.85 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
Miao, Yihan's top personal bests include 100m Backstroke (1:27.54), 100m Breaststroke (1:37.77), 100m Butterfly (1:53.52), 100m Freestyle (1:17.27), 200m Backstroke (2:59.50).
Miao, Yihan swims for Markham Aquatic Club.
Miao, Yihan has competed in 7 meets.