| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Breaststroke | 2:19.52 | Nova Tech Aqua Kids #1 South | 2025-10-26 |
| 100m Butterfly | 2:49.10 | Nova Tech Aqua Kids #2 South | 2025-12-07 |
| 100m Freestyle | 1:49.85 | Nova Tech Aqua Kids #1 South | 2025-10-26 |
| 100m IM | 1:57.51 | AA & Nova Tech #4 South Meet | 2026-02-14 |
| 200m Freestyle | 3:40.38 | AA & Nova Tech #4 South Meet | 2026-02-14 |
| 50m Breaststroke | 1:07.78 | AA & Nova Tech #4 South Meet | 2026-02-14 |
| 50m Butterfly | 1:10.66 | Nova Tech Aqua Kids #1 South | 2025-10-26 |
| 50m Freestyle | 48.12 | AA & Nova Tech #4 South Meet | 2026-02-14 |
King, Lachlan's top personal bests include 100m Breaststroke (2:19.52), 100m Butterfly (2:49.10), 100m Freestyle (1:49.85), 100m IM (1:57.51), 200m Freestyle (3:40.38).
King, Lachlan swims for Yarmouth Whitecaps.
King, Lachlan has competed in 3 meets.