| Event | Time | Meet | Date |
|---|---|---|---|
| 100m IM | 2:46.52 | AA AGD Meet & Nova Tech #3 Central | 2026-01-24 |
| 25m Backstroke | 30.00 | AA AGD Meet & Nova Tech #3 Central | 2026-01-24 |
| 25m Breaststroke | 35.85 | AA AGD Meet & Nova Tech #3 Central | 2026-01-24 |
| 25m Butterfly | 31.55 | AA Age Group Development Meet & Nova Tech #4 C | 2026-02-14 |
| 25m Freestyle | 29.79 | AA Age Group Development Meet & Nova Tech #4 C | 2026-02-14 |
Johnston, Cameron's top personal bests include 100m IM (2:46.52), 25m Backstroke (30.00), 25m Breaststroke (35.85), 25m Butterfly (31.55), 25m Freestyle (29.79).
Johnston, Cameron swims for Sackville Waves Aquatic Team.
Johnston, Cameron has competed in 3 meets.