| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:19.72 | 2026 MMST GTA Skins | 2026-02-13 |
| 100m Backstroke | 1:20.50 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Breaststroke | 1:36.28 | 2026 MMST GTA Skins | 2026-02-13 |
| 100m Breaststroke | 1:32.62 | Border City Invitational 2025 | 2025-12-05 |
| 100m Butterfly | 1:18.30 | Scar Pan Am Winter Classic | 2026-01-16 |
| 100m Butterfly | 1:13.18 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Freestyle | 1:09.95 | Scar Pan Am Winter Classic | 2026-01-16 |
| 100m Freestyle | 1:07.66 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m IM | 1:19.34 | 2025 MMST Dash 4 Cash | 2025-10-18 |
| 200m Backstroke | 2:56.76 | 2026 MMST GTA Skins | 2026-02-13 |
| 200m Breaststroke | 3:23.02 | 2026 MMST GTA Skins | 2026-02-13 |
| 200m Breaststroke | 3:17.31 | Border City Invitational 2025 | 2025-12-05 |
| 200m Freestyle | 2:33.47 | Border City Invitational 2025 | 2025-12-05 |
| 200m IM | 2:52.53 | Scar Pan Am Winter Classic | 2026-01-16 |
| 200m IM | 2:40.66 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 400m Freestyle | 5:35.46 | BAC SC Fall Invitational | 2025-11-07 |
| 400m IM | 6:12.97 | Scar Pan Am Winter Classic | 2026-01-16 |
| 400m IM | 6:00.00 | Border City Invitational 2025 | 2025-12-05 |
| 50m Backstroke | 39.88 | 2025 MMST Club Champs | 2025-05-31 |
| 50m Breaststroke | 45.36 | Scar Pan Am Winter Classic | 2026-01-16 |
| 50m Breaststroke | 44.14 | 2025 MMST Club Champs | 2025-05-31 |
| 50m Butterfly | 33.48 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Freestyle | 31.50 | Scar Pan Am Winter Classic | 2026-01-16 |
| 50m Freestyle | 30.92 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
Allan, Jonathan's top personal bests include 100m Backstroke (1:19.72), 100m Backstroke (1:20.50), 100m Breaststroke (1:36.28), 100m Breaststroke (1:32.62), 100m Butterfly (1:18.30).
Allan, Jonathan swims for Milton Marlin Swim Team.
Allan, Jonathan has competed in 9 meets.