| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Breaststroke | 1:37.67 | June Performance Meet 2025 | 2025-06-06 |
| 100m Breaststroke | 1:31.51 | 2025 OAK Brad Townsend Fall Classic | 2025-10-17 |
| 100m Butterfly | 1:24.71 | June Performance Meet 2025 | 2025-06-06 |
| 100m Butterfly | 1:21.33 | David Lawson Invitational 2026 | 2026-01-23 |
| 100m Freestyle | 1:05.97 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 100m Freestyle | 1:05.42 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m Backstroke | 2:52.04 | Scar Pan Am Winter Classic | 2026-01-16 |
| 200m Breaststroke | 3:24.26 | June Performance Meet 2025 | 2025-06-06 |
| 200m Butterfly | 2:58.35 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 200m Butterfly | 2:54.44 | 2025 NYAC Cup | 2025-11-14 |
| 200m Freestyle | 2:33.56 | June Performance Meet 2025 | 2025-06-06 |
| 200m Freestyle | 2:25.28 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m IM | 2:43.44 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 400m Freestyle | 5:21.58 | June Performance Meet 2025 | 2025-06-06 |
| 400m Freestyle | 5:04.81 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 400m IM | 5:50.26 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 50m Backstroke | 37.86 | Scar Pan Am Winter Classic | 2026-01-16 |
| 50m Backstroke | 36.17 | 2025 NYAC Cup | 2025-11-14 |
| 50m Breaststroke | 43.42 | June Performance Meet 2025 | 2025-06-06 |
| 50m Butterfly | 34.48 | 2025 NYAC Cup | 2025-11-14 |
| 50m Freestyle | 29.52 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 50m Freestyle | 30.17 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 800m Freestyle | 11:13.02 | June Performance Meet 2025 | 2025-06-06 |
Shen, Roy's top personal bests include 100m Breaststroke (1:37.67), 100m Breaststroke (1:31.51), 100m Butterfly (1:24.71), 100m Butterfly (1:21.33), 100m Freestyle (1:05.97).
Shen, Roy swims for Oakville Aquatic Club.
Shen, Roy has competed in 7 meets.