| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:07.10 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 100m Backstroke | 1:04.74 | Border City Invitational 2025 | 2025-12-05 |
| 100m Breaststroke | 2:08.98 | MAC Rising Star #2 | 2025-05-30 |
| 100m Breaststroke | 1:13.86 | Border City Invitational 2025 | 2025-12-05 |
| 100m Butterfly | 1:02.38 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 100m Butterfly | 1:01.35 | Border City Invitational 2025 | 2025-12-05 |
| 100m Freestyle | 57.27 | MAC Summer Invitational | 2025-07-24 |
| 100m Freestyle | 55.50 | Border City Invitational 2025 | 2025-12-05 |
| 100m IM | 1:04.50 | MAC Fall Fest Invitational | 2025-10-18 |
| 200m Backstroke | 2:30.17 | MAC Fall Fest Invitational | 2025-10-18 |
| 200m Breaststroke | 2:42.21 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 200m Butterfly | 2:40.74 | MAC Jingle Bell | 2025-12-12 |
| 200m Freestyle | 2:10.07 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 200m Freestyle | 2:06.43 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 200m IM | 2:25.36 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 200m IM | 2:26.51 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 400m Freestyle | 4:51.54 | MAC Summer Invitational | 2025-07-24 |
| 400m Freestyle | 4:44.66 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 400m IM | 5:17.20 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 50m Backstroke | 30.51 | MAC Summer Invitational | 2025-07-24 |
| 50m Backstroke | 28.51 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 50m Breaststroke | 35.50 | MAC Summer Invitational | 2025-07-24 |
| 50m Breaststroke | 33.86 | MAC Fall Fest Invitational | 2025-10-18 |
| 50m Butterfly | 28.17 | MAC Winter Invitational | 2026-01-22 |
| 50m Butterfly | 27.22 | Pan Am Open 2026 | 2026-02-21 |
| 50m Freestyle | 25.81 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 50m Freestyle | 25.19 | Pan Am Open 2026 | 2026-02-21 |
| 800m Freestyle | 9:53.95 | MAC Summer Invitational | 2025-07-24 |
| 800m Freestyle | 9:39.26 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
Lucas Chan's top personal bests include 100m Backstroke (1:07.10), 100m Backstroke (1:04.74), 100m Breaststroke (2:08.98), 100m Breaststroke (1:13.86), 100m Butterfly (1:02.38).
Lucas Chan swims for Markham Aquatic Club.
Lucas Chan has competed in 10 meets.