| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:27.98 | GMAC Rocks the Blocks | 2025-10-25 |
| 100m Breaststroke | 1:37.18 | Western Region Long Course Championships | 2025-06-13 |
| 100m Breaststroke | 1:33.29 | BAC SC Fall Invitational | 2025-11-07 |
| 100m Butterfly | 1:38.28 | BAC SC Fall Invitational | 2025-11-07 |
| 100m Freestyle | 1:23.52 | GMAC Winter Pentathlon | 2026-01-10 |
| 100m Freestyle | 1:15.97 | BAC SC Fall Invitational | 2025-11-07 |
| 200m Backstroke | 3:05.99 | BAC SC Fall Invitational | 2025-11-07 |
| 200m Breaststroke | 3:34.62 | Western Region Long Course Championships | 2025-06-13 |
| 200m Breaststroke | 3:17.01 | LAC - Nothers Fall Invitational | 2025-11-21 |
| 200m Freestyle | 2:54.86 | BAD Outdoor LC Invitational | 2025-06-20 |
| 200m Freestyle | 2:45.26 | GMAC Rocks the Blocks | 2025-10-25 |
| 200m IM | 3:21.96 | GMAC Winter Pentathlon | 2026-01-10 |
| 200m IM | 3:07.28 | BAC SC Fall Invitational | 2025-11-07 |
| 400m Freestyle | 5:47.50 | BAC SC Fall Invitational | 2025-11-07 |
| 400m IM | 6:56.20 | LAC - Nothers Fall Invitational | 2025-11-21 |
| 50m Backstroke | 40.01 | Western Region Long Course Championships | 2025-06-13 |
| 50m Backstroke | 39.98 | LAC - Nothers Fall Invitational | 2025-11-21 |
| 50m Breaststroke | 44.61 | Western Region Long Course Championships | 2025-06-13 |
| 50m Breaststroke | 41.30 | BAC SC Fall Invitational | 2025-11-07 |
| 50m Butterfly | 41.89 | GMAC Winter Pentathlon | 2026-01-10 |
| 50m Freestyle | 33.69 | Western Region Long Course Championships | 2025-06-13 |
| 50m Freestyle | 33.82 | Elaine Thompson Memorial Meet | 2026-01-24 |
| 800m Freestyle | 12:27.44 | GMAC March 7 2026 Time Trial | 2026-03-07 |
| 800m Freestyle | 12:28.54 | GMAC Dash for Cash | 2025-12-05 |
Herd, Hannah's top personal bests include 100m Backstroke (1:27.98), 100m Breaststroke (1:37.18), 100m Breaststroke (1:33.29), 100m Butterfly (1:38.28), 100m Freestyle (1:23.52).
Herd, Hannah swims for Guelph Marlin Aquatic Club.
Herd, Hannah has competed in 9 meets.