| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:20.48 | 2025 Age Group International SC | 2025-11-27 |
| 100m Breaststroke | 1:19.12 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 100m Freestyle | 1:10.63 | 2025 Age Group International SC | 2025-11-27 |
| 200m Breaststroke | 2:57.39 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m Butterfly | 3:03.19 | ESWIM January Time Trial | 2026-01-20 |
| 200m Freestyle | 2:35.80 | Hall of Fame | 2025-10-18 |
| 200m IM | 2:50.56 | Hall of Fame | 2025-10-18 |
| 400m Freestyle | 5:29.62 | 2025 MSSAC Harvest Invitational | 2025-11-01 |
| 400m IM | 5:53.86 | 2025 Age Group International SC | 2025-11-27 |
| 50m Backstroke | 36.06 | 2025 Age Group International SC | 2025-11-27 |
| 50m Breaststroke | 36.12 | 2025 Age Group International SC | 2025-11-27 |
| 50m Freestyle | 31.43 | 2025 Age Group International SC | 2025-11-27 |
| 800m Freestyle | 11:10.34 | ESWIM Distance Time Trial | 2025-11-11 |
Tan, Julia's top personal bests include 100m Backstroke (1:20.48), 100m Breaststroke (1:19.12), 100m Freestyle (1:10.63), 200m Breaststroke (2:57.39), 200m Butterfly (3:03.19).
Tan, Julia swims for Etobicoke Swim Club.
Tan, Julia has competed in 12 meets.