| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:08.72 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 100m Backstroke | 1:06.71 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 100m Breaststroke | 1:18.72 | MAC Winter Invitational | 2026-01-22 |
| 100m Breaststroke | 1:14.71 | 2025 NYAC Cup | 2025-11-14 |
| 100m Butterfly | 1:12.53 | Scar Pan Am Winter Classic | 2026-01-16 |
| 100m Butterfly | 1:07.27 | 2025 Downtown Sprint Meet | 2025-10-25 |
| 100m Freestyle | 59.25 | Scar Pan Am Winter Classic | 2026-01-16 |
| 100m Freestyle | 59.01 | 2025 Downtown Sprint Meet | 2025-10-25 |
| 200m Backstroke | 2:26.72 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 200m Backstroke | 2:21.06 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m Breaststroke | 2:52.44 | MAC Winter Invitational | 2026-01-22 |
| 200m Breaststroke | 2:44.04 | 2025 NYAC Cup | 2025-11-14 |
| 200m Butterfly | 2:38.70 | 2025 NYAC Cup | 2025-11-14 |
| 200m Freestyle | 2:07.72 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 200m Freestyle | 2:08.44 | 2025 NYAC Cup | 2025-11-14 |
| 200m IM | 2:25.48 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 200m IM | 2:24.29 | 2025 NYAC Cup | 2025-11-14 |
| 400m Freestyle | 4:47.86 | Scar Pan Am Winter Classic | 2026-01-16 |
| 400m Freestyle | 4:36.28 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 400m IM | 5:29.95 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 400m IM | 5:13.05 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 50m Backstroke | 31.90 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 50m Backstroke | 31.49 | 2025 Red vs Black #1 | 2025-10-05 |
| 50m Breaststroke | 35.43 | MAC Winter Invitational | 2026-01-22 |
| 50m Breaststroke | 33.58 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 50m Butterfly | 29.79 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 50m Freestyle | 26.90 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 50m Freestyle | 26.83 | 2025 Downtown Sprint Meet | 2025-10-25 |
| 800m Freestyle | 9:59.80 | Scar Pan Am Winter Classic | 2026-01-16 |
| 800m Freestyle | 9:37.79 | 2025 RHAC Summer League | 2025-07-18 |
Dai, Shaoran's top personal bests include 100m Backstroke (1:08.72), 100m Backstroke (1:06.71), 100m Breaststroke (1:18.72), 100m Breaststroke (1:14.71), 100m Butterfly (1:12.53).
Dai, Shaoran swims for North York Aquatic Club.
Dai, Shaoran has competed in 11 meets.