| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:15.86 | Dean Boles Invitational Meet | 2026-01-10 |
| 100m Breaststroke | 1:24.93 | Western Region Short Course Championships | 2026-02-12 |
| 100m Butterfly | 1:19.01 | BAC Team Showdown 2025 | 2025-12-12 |
| 100m Freestyle | 1:05.79 | BAC Team Showdown 2025 | 2025-12-12 |
| 100m IM | 1:15.82 | Dean Boles Invitational Meet | 2026-01-10 |
| 200m Backstroke | 2:51.50 | 2025 NYAC Cup | 2025-11-14 |
| 200m Breaststroke | 3:09.85 | BAC Team Showdown 2025 | 2025-12-12 |
| 200m Butterfly | 3:25.42 | CAJ In-House Meet #1 | 2025-10-25 |
| 200m Freestyle | 2:29.56 | 2025 NYAC Cup | 2025-11-14 |
| 200m IM | 2:51.98 | 2025 MMST Dash 4 Cash | 2025-10-18 |
| 400m Freestyle | 5:27.74 | 2025 NYAC Cup | 2025-11-14 |
| 400m IM | 6:04.06 | 2025 NYAC Cup | 2025-11-14 |
| 50m Backstroke | 35.70 | Western Region Short Course Championships | 2026-02-12 |
| 50m Breaststroke | 39.92 | Western Region Short Course Championships | 2026-02-12 |
| 50m Butterfly | 32.95 | 2025 MMST Dash 4 Cash | 2025-10-18 |
| 50m Freestyle | 30.05 | 2025 NYAC Cup | 2025-11-14 |
Johnson, Hannah's top personal bests include 100m Backstroke (1:15.86), 100m Breaststroke (1:24.93), 100m Butterfly (1:19.01), 100m Freestyle (1:05.79), 100m IM (1:15.82).
Johnson, Hannah swims for Cambridge Aquajets.
Johnson, Hannah has competed in 10 meets.