| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:23.80 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 100m Backstroke | 1:22.67 | 2025 York Invitational | 2025-11-15 |
| 100m Breaststroke | 1:32.52 | June Performance Meet 2025 | 2025-06-06 |
| 100m Breaststroke | 1:31.14 | 2025 York Invitational | 2025-11-15 |
| 100m Butterfly | 1:34.47 | June Performance Meet 2025 | 2025-06-06 |
| 100m Freestyle | 1:09.25 | June Performance Meet 2025 | 2025-06-06 |
| 100m Freestyle | 1:08.93 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m Backstroke | 3:00.31 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 200m Backstroke | 2:52.32 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m Breaststroke | 3:08.72 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m Freestyle | 2:38.71 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 200m Freestyle | 2:33.93 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m IM | 2:57.32 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 200m IM | 2:51.92 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 400m Freestyle | 5:48.72 | June Performance Meet 2025 | 2025-06-06 |
| 50m Backstroke | 38.60 | 2026 MSSAC 14U Future Stars | 2026-01-31 |
| 50m Breaststroke | 42.95 | June Performance Meet 2025 | 2025-06-06 |
| 50m Breaststroke | 42.57 | 2026 MSSAC 14U Future Stars | 2026-01-31 |
| 50m Freestyle | 31.77 | June Performance Meet 2025 | 2025-06-06 |
| 50m Freestyle | 31.77 | 2025 York Invitational | 2025-11-15 |
Ling, Duggan's top personal bests include 100m Backstroke (1:23.80), 100m Backstroke (1:22.67), 100m Breaststroke (1:32.52), 100m Breaststroke (1:31.14), 100m Butterfly (1:34.47).
Ling, Duggan swims for Toronto Swim Club.
Ling, Duggan has competed in 7 meets.