| Event | Time | Meet | Date |
|---|---|---|---|
| 100m IM | 2:02.14 | Nova Tech Aqua Kids #1 South | 2025-10-26 |
| 50m Breaststroke | 1:04.15 | Nova Tech Aqua Kids #1 South | 2025-10-26 |
| 50m Butterfly | 1:00.18 | Nova Tech Aqua Kids #1 South | 2025-10-26 |
| 50m Freestyle | 49.24 | AA & Nova Tech #4 South Meet | 2026-02-14 |
Atkinson, Duncan's top personal bests include 100m IM (2:02.14), 50m Breaststroke (1:04.15), 50m Butterfly (1:00.18), 50m Freestyle (49.24).
Atkinson, Duncan swims for Yarmouth Whitecaps.
Atkinson, Duncan has competed in 3 meets.