| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:06.47 | 2025 MMST Dash 4 Cash | 2025-10-18 |
| 100m Breaststroke | 1:15.49 | Scar Pan Am Winter Classic | 2026-01-16 |
| 100m Breaststroke | 1:10.89 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 100m Butterfly | 1:10.47 | Western Region Long Course Championships | 2025-06-13 |
| 100m Butterfly | 1:04.09 | BBST Fall Invitational 2025 | 2025-11-21 |
| 100m Freestyle | 56.77 | Western Region Long Course Championships | 2025-06-13 |
| 100m Freestyle | 54.66 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 100m IM | 1:04.90 | 2025 MMST Dash 4 Cash | 2025-10-18 |
| 200m Backstroke | 2:29.14 | 2026 MMST GTA Skins | 2026-02-13 |
| 200m Breaststroke | 2:40.73 | Western Region Long Course Championships | 2025-06-13 |
| 200m Breaststroke | 2:35.32 | Border City Invitational 2025 | 2025-12-05 |
| 200m Freestyle | 2:06.67 | Western Region Long Course Championships | 2025-06-13 |
| 200m Freestyle | 2:00.91 | Border City Invitational 2025 | 2025-12-05 |
| 200m IM | 2:23.78 | 2025 Age Group International LC | 2025-06-05 |
| 200m IM | 2:18.83 | BAC SC Fall Invitational | 2025-11-07 |
| 400m Freestyle | 4:26.49 | Western Region Long Course Championships | 2025-06-13 |
| 400m Freestyle | 4:19.58 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 400m IM | 5:08.07 | 2025 Age Group International LC | 2025-06-05 |
| 400m IM | 5:04.14 | BBST Fall Invitational 2025 | 2025-11-21 |
| 50m Backstroke | 33.05 | Scar Pan Am Winter Classic | 2026-01-16 |
| 50m Backstroke | 30.56 | BAC SC Fall Invitational | 2025-11-07 |
| 50m Breaststroke | 32.77 | 2025 Age Group International LC | 2025-06-05 |
| 50m Breaststroke | 31.14 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 50m Butterfly | 28.35 | 2026 MMST GTA Skins | 2026-02-13 |
| 50m Butterfly | 28.36 | 2025 MMST Dash 4 Cash | 2025-10-18 |
| 50m Freestyle | 26.08 | 2026 MMST GTA Skins | 2026-02-13 |
| 50m Freestyle | 25.01 | Border City Invitational 2025 | 2025-12-05 |
| 800m Freestyle | 9:07.17 | BBST Fall Invitational 2025 | 2025-11-21 |
Toews, Jonah's top personal bests include 100m Backstroke (1:06.47), 100m Breaststroke (1:15.49), 100m Breaststroke (1:10.89), 100m Butterfly (1:10.47), 100m Butterfly (1:04.09).
Toews, Jonah swims for Milton Marlin Swim Team.
Toews, Jonah has competed in 9 meets.