| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Breaststroke | 2:07.96 | GHAC Winter Invitational SCM | 2026-03-06 |
| 100m Freestyle | 1:49.64 | GHAC Winter Invitational SCM | 2026-03-06 |
| 200m Breaststroke | 4:27.53 | Friday Night at the Races #3 | 2026-03-13 |
| 200m Freestyle | 4:14.78 | Friday Night at the Races #3 | 2026-03-13 |
| 50m Backstroke | 1:01.22 | GHAC Winter Invitational SCM | 2026-03-06 |
| 50m Breaststroke | 1:01.35 | Friday Night at the Races #2 | 2025-12-12 |
| 50m Freestyle | 47.45 | GMAC Winter Skills and Thrills | 2026-02-01 |
Niemczyk, Lukasz's top personal bests include 100m Breaststroke (2:07.96), 100m Freestyle (1:49.64), 200m Breaststroke (4:27.53), 200m Freestyle (4:14.78), 50m Backstroke (1:01.22).
Niemczyk, Lukasz swims for Halton Hills Blue Fins.
Niemczyk, Lukasz has competed in 6 meets.