| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Breaststroke | 1:38.70 | AMAC Fall Invitational SC | 2025-11-14 |
| 100m Freestyle | 1:12.76 | AMAC Fall Invitational SC | 2025-11-14 |
| 200m Breaststroke | 3:28.33 | AMAC Fall Invitational SC | 2025-11-14 |
| 200m Freestyle | 2:46.63 | Norm Banfield Memorial Open Development Meet | 2025-10-03 |
| 50m Backstroke | 42.81 | Norm Banfield Memorial Open Development Meet | 2025-10-03 |
| 50m Breaststroke | 42.44 | 2026 Pronghorn Classic | 2026-03-13 |
| 50m Butterfly | 42.17 | AMAC Fall Invitational SC | 2025-11-14 |
| 50m Freestyle | 31.54 | 2026 Pronghorn Classic | 2026-03-13 |
Rempel, Lachlan's top personal bests include 100m Breaststroke (1:38.70), 100m Freestyle (1:12.76), 200m Breaststroke (3:28.33), 200m Freestyle (2:46.63), 50m Backstroke (42.81).
Rempel, Lachlan swims for Swift Current Barracudas Swim Club.
Rempel, Lachlan has competed in 4 meets.