| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:12.01 | MAC Jingle Bell | 2025-12-12 |
| 100m Breaststroke | 1:20.61 | MAC Jingle Bell | 2025-12-12 |
| 100m Butterfly | 1:08.18 | MAC Jingle Bell | 2025-12-12 |
| 100m Freestyle | 59.52 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 100m IM | 1:12.55 | MAC Fall Fest Invitational | 2025-10-18 |
| 1500m Freestyle | 1:33.04 | Pan Am Open 2026 | 2026-02-21 |
| 200m Backstroke | 2:36.82 | MAC Fall Fest Invitational | 2025-10-18 |
| 200m Breaststroke | 2:54.88 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 200m Butterfly | 2:40.28 | MAC Jingle Bell | 2025-12-12 |
| 200m Freestyle | 2:10.30 | Border City Invitational 2025 | 2025-12-05 |
| 200m IM | 2:32.58 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 400m Freestyle | 4:37.39 | Pan Am Open 2026 | 2026-02-21 |
| 400m IM | 5:22.23 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 50m Backstroke | 32.70 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 50m Breaststroke | 36.65 | MAC Fall Fest Invitational | 2025-10-18 |
| 50m Butterfly | 32.17 | MAC Fall Fest Invitational | 2025-10-18 |
| 50m Freestyle | 26.96 | Border City Invitational 2025 | 2025-12-05 |
| 800m Freestyle | 9:27.28 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
Roubian, Lukas's top personal bests include 100m Backstroke (1:12.01), 100m Breaststroke (1:20.61), 100m Butterfly (1:08.18), 100m Freestyle (59.52), 100m IM (1:12.55).
Roubian, Lukas swims for Markham Aquatic Club.
Roubian, Lukas has competed in 7 meets.