| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:45.08 | Brooks-Medicine Hat Summer Swim Meet | 2025-06-14 |
| 100m Freestyle | 1:30.33 | Crowsnest Pass Piranhas Swim Meet | 2025-07-18 |
| 100m IM | 1:42.83 | Crowsnest Pass Piranhas Swim Meet | 2025-07-18 |
| 200m Freestyle | 3:03.55 | ASSA Provincial Championships | 2025-08-01 |
| 400m Freestyle | 6:36.42 | ASSA Provincial Championships | 2025-08-01 |
| 50m Backstroke | 47.54 | Orca Invitational 2025 | 2025-06-07 |
| 50m Breaststroke | 58.39 | Orca Invitational 2025 | 2025-06-07 |
| 50m Freestyle | 39.48 | Pincher Creek Dolphins Invitational Swim Meet | 2025-05-30 |
Mills, Brooklyn's top personal bests include 100m Backstroke (1:45.08), 100m Freestyle (1:30.33), 100m IM (1:42.83), 200m Freestyle (3:03.55), 400m Freestyle (6:36.42).
Mills, Brooklyn swims for Taber Viper Swim Club.
Mills, Brooklyn has competed in 7 meets.