| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:33.00 | COMOX-NRST-HST-SQUP Quad Meet Dual | 2025-11-15 |
| 100m Breaststroke | 1:37.60 | COMOX-NRST-HST-SQUP Quad Meet Dual | 2025-11-15 |
| 100m Freestyle | 1:23.18 | COMOX-NRST-HST-SQUP Quad Meet Dual | 2025-11-15 |
| 100m IM | 1:32.55 | Sharks IM Sprint Endurance Challenge | 2026-02-07 |
| 200m Breaststroke | 3:21.82 | COMOX-NRST-HST-SQUP Quad Meet Dual | 2025-11-15 |
| 200m Freestyle | 2:47.49 | 2026 VIR SC Championships | 2026-01-30 |
| 50m Backstroke | 43.24 | COMOX-NRST-HST-SQUP Quad Meet Dual | 2025-11-15 |
| 50m Breaststroke | 44.30 | COMOX-NRST-HST-SQUP Quad Meet Dual | 2025-11-15 |
| 50m Butterfly | 50.16 | Sharks IM Sprint Endurance Challenge | 2026-02-07 |
| 50m Freestyle | 34.08 | 2026 VIR SC Championships | 2026-01-30 |
Blacklock, Madeline's top personal bests include 100m Backstroke (1:33.00), 100m Breaststroke (1:37.60), 100m Freestyle (1:23.18), 100m IM (1:32.55), 200m Breaststroke (3:21.82).
Blacklock, Madeline swims for Comox Valley Aquatic Club.
Blacklock, Madeline has competed in 6 meets.