| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Freestyle | 1:20.76 | 2026 Fernie Fox Invitational | 2026-04-17 |
| 100m IM | 1:30.13 | 2026 Fernie Fox Invitational | 2026-04-17 |
| 200m Breaststroke | 3:38.67 | 2026 Fernie Fox Invitational | 2026-04-17 |
| 200m Freestyle | 3:05.14 | 2026 Fernie Fox Invitational | 2026-04-17 |
| 50m Breaststroke | 43.84 | 2026 Fernie Fox Invitational | 2026-04-17 |
| 50m Butterfly | 36.36 | 2026 Fernie Fox Invitational | 2026-04-17 |
| 50m Freestyle | 35.54 | 2026 Fernie Fox Invitational | 2026-04-17 |
Jonson, Mitchell's top personal bests include 100m Freestyle (1:20.76), 100m IM (1:30.13), 200m Breaststroke (3:38.67), 200m Freestyle (3:05.14), 50m Breaststroke (43.84).
Jonson, Mitchell swims for Summerland Orca Swim Club.
Jonson, Mitchell has competed in 1 meets.