| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:20.26 | Maverick Madness 2026 | 2026-01-30 |
| 100m Butterfly | 1:27.40 | Nose Creek Invitational 2026 | 2026-03-14 |
| 100m Freestyle | 1:13.61 | Nose Creek Invitational 2026 | 2026-03-14 |
| 200m Backstroke | 2:49.49 | Nose Creek Invitational 2026 | 2026-03-14 |
| 200m Freestyle | 2:39.92 | Pugsley's Plunge 2026 | 2026-01-16 |
| 200m IM | 2:56.41 | Nose Creek Invitational 2026 | 2026-03-14 |
| 400m Freestyle | 5:46.28 | Pugsley's Plunge 2026 | 2026-01-16 |
| 50m Backstroke | 38.11 | Nose Creek Invitational 2026 | 2026-03-14 |
| 50m Butterfly | 37.30 | Maverick Madness 2026 | 2026-01-30 |
| 50m Freestyle | 34.44 | Nose Creek Invitational 2026 | 2026-03-14 |
Chambers, Declan's top personal bests include 100m Backstroke (1:20.26), 100m Butterfly (1:27.40), 100m Freestyle (1:13.61), 200m Backstroke (2:49.49), 200m Freestyle (2:39.92).
Chambers, Declan swims for Calgary Patriots Swim Club.
Chambers, Declan has competed in 6 meets.