| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:11.80 | SCAR Cindy Nicholas Memorial Meet | 2025-11-01 |
| 100m Butterfly | 1:09.61 | KBM Heats & Finals | 2026-02-20 |
| 100m Freestyle | 59.38 | SCAR Cindy Nicholas Memorial Meet | 2025-11-01 |
| 200m Backstroke | 2:35.61 | KBM Distance & Development | 2025-11-08 |
| 200m Freestyle | 2:09.48 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 200m IM | 2:37.71 | KBM Distance & Development | 2025-11-08 |
| 400m Freestyle | 4:40.20 | KBM Heats & Finals | 2026-02-20 |
| 50m Backstroke | 34.55 | KBM Pentathlon | 2025-10-19 |
| 50m Breaststroke | 40.67 | KBM Pentathlon | 2025-10-19 |
| 50m Butterfly | 31.72 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 50m Freestyle | 27.67 | SCAR Cindy Nicholas Memorial Meet | 2025-11-01 |
| 800m Freestyle | 9:48.02 | KBM Distance & Development | 2025-11-08 |
Collins, Julia's top personal bests include 100m Backstroke (1:11.80), 100m Butterfly (1:09.61), 100m Freestyle (59.38), 200m Backstroke (2:35.61), 200m Freestyle (2:09.48).
Collins, Julia swims for Kingston Blue Marlins.
Collins, Julia has competed in 9 meets.