| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:30.50 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 100m Backstroke | 1:24.95 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 100m Breaststroke | 1:44.31 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 100m Breaststroke | 1:38.85 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 100m Butterfly | 1:33.94 | 2025 NYAC Cup | 2025-11-14 |
| 100m Freestyle | 1:19.09 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 100m Freestyle | 1:14.31 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 100m IM | 1:26.13 | 2025 OAK Brad Townsend Fall Classic | 2025-10-17 |
| 200m Backstroke | 3:10.27 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 200m Backstroke | 3:02.18 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m Breaststroke | 3:33.79 | David Lawson Invitational 2026 | 2026-01-23 |
| 200m Freestyle | 2:52.91 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 200m Freestyle | 2:44.30 | 2025 NYAC Cup | 2025-11-14 |
| 200m IM | 3:14.44 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 200m IM | 3:07.90 | David Lawson Invitational 2026 | 2026-01-23 |
| 400m Freestyle | 5:56.49 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 50m Backstroke | 41.22 | June Performance Meet 2025 | 2025-06-06 |
| 50m Backstroke | 37.82 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 50m Breaststroke | 47.28 | June Performance Meet 2025 | 2025-06-06 |
| 50m Breaststroke | 46.13 | David Lawson Invitational 2026 | 2026-01-23 |
| 50m Butterfly | 41.73 | June Performance Meet 2025 | 2025-06-06 |
| 50m Butterfly | 36.16 | 2025 NYAC Cup | 2025-11-14 |
| 50m Freestyle | 34.58 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 50m Freestyle | 32.79 | 2025 NYAC Cup | 2025-11-14 |
Kwan, Maxwell's top personal bests include 100m Backstroke (1:30.50), 100m Backstroke (1:24.95), 100m Breaststroke (1:44.31), 100m Breaststroke (1:38.85), 100m Butterfly (1:33.94).
Kwan, Maxwell swims for Oakville Aquatic Club.
Kwan, Maxwell has competed in 9 meets.