| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:21.47 | MAC Winter Invitational | 2026-01-22 |
| 100m Backstroke | 1:19.99 | MAC Jingle Bell | 2025-12-12 |
| 100m Breaststroke | 1:39.50 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 100m Breaststroke | 1:31.20 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 100m Butterfly | 1:17.76 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 100m Butterfly | 1:18.55 | Pan Am Open 2026 | 2026-02-21 |
| 100m Freestyle | 1:10.10 | MAC Winter Invitational | 2026-01-22 |
| 100m Freestyle | 1:08.35 | MAC Jingle Bell | 2025-12-12 |
| 200m Backstroke | 2:44.67 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 200m Backstroke | 2:50.16 | MAC Jingle Bell | 2025-12-12 |
| 200m Breaststroke | 3:17.92 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 200m Butterfly | 3:23.41 | MAC Rising Star #2 | 2025-05-30 |
| 200m Butterfly | 2:53.26 | Pan Am Open 2026 | 2026-02-21 |
| 200m Freestyle | 2:40.16 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 200m Freestyle | 2:28.49 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m IM | 2:59.18 | MAC Winter Invitational | 2026-01-22 |
| 200m IM | 2:48.97 | MAC Jingle Bell | 2025-12-12 |
| 400m Freestyle | 5:36.74 | MAC Winter Invitational | 2026-01-22 |
| 400m Freestyle | 5:10.48 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 400m IM | 5:57.37 | Pan Am Open 2026 | 2026-02-21 |
| 50m Backstroke | 34.62 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 50m Backstroke | 37.22 | MAC Jingle Bell | 2025-12-12 |
| 50m Breaststroke | 45.80 | 2026 Mallards Winter LC Invitational | 2026-01-30 |
| 50m Breaststroke | 41.91 | 2025 NYAC Cup | 2025-11-14 |
| 50m Butterfly | 33.80 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 50m Butterfly | 32.80 | Pan Am Open 2026 | 2026-02-21 |
| 50m Freestyle | 30.61 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 50m Freestyle | 30.42 | MAC Jingle Bell | 2025-12-12 |
| 800m Freestyle | 10:45.77 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 800m Freestyle | 10:36.55 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
Hudson Mesker's top personal bests include 100m Backstroke (1:21.47), 100m Backstroke (1:19.99), 100m Breaststroke (1:39.50), 100m Breaststroke (1:31.20), 100m Butterfly (1:17.76).
Hudson Mesker swims for Markham Aquatic Club.
Hudson Mesker has competed in 12 meets.