| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:43.79 | 2026 Pronghorn Classic | 2026-03-13 |
| 100m Breaststroke | 2:14.84 | 2025 Friesen Plastics LASC Fall Challenge | 2025-10-24 |
| 100m Freestyle | 1:36.40 | 2026 Pronghorn Classic | 2026-03-13 |
| 100m IM | 2:00.33 | 2025 Friesen Plastics LASC Fall Challenge | 2025-10-24 |
| 200m Freestyle | 3:31.60 | 2026 Pronghorn Classic | 2026-03-13 |
| 50m Backstroke | 48.22 | 2026 Pronghorn Classic | 2026-03-13 |
| 50m Breaststroke | 1:02.35 | 2026 Pronghorn Classic | 2026-03-13 |
| 50m Freestyle | 44.31 | 2025 Friesen Plastics LASC Fall Challenge | 2025-10-24 |
Spencer, Declan's top personal bests include 100m Backstroke (1:43.79), 100m Breaststroke (2:14.84), 100m Freestyle (1:36.40), 100m IM (2:00.33), 200m Freestyle (3:31.60).
Spencer, Declan swims for LA Swim Club.
Spencer, Declan has competed in 4 meets.