| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Breaststroke | 1:19.05 | 2025 MMST Dash 4 Cash | 2025-10-18 |
| 100m Freestyle | 1:02.90 | BAC SC Fall Invitational | 2025-11-07 |
| 100m IM | 1:17.11 | 2025 MMST Club Champs | 2025-05-31 |
| 1500m Freestyle | 1:28.35 | BBST Fall Invitational 2025 | 2025-11-21 |
| 200m Backstroke | 2:33.64 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m Breaststroke | 2:50.72 | BAC SC Fall Invitational | 2025-11-07 |
| 200m Butterfly | 2:38.98 | BBST Fall Invitational 2025 | 2025-11-21 |
| 200m Freestyle | 2:11.72 | BAC SC Fall Invitational | 2025-11-07 |
| 200m IM | 2:29.51 | BAC SC Fall Invitational | 2025-11-07 |
| 400m Freestyle | 4:31.28 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 400m IM | 5:14.13 | BAC SC Fall Invitational | 2025-11-07 |
| 50m Backstroke | 37.30 | 2025 MMST Club Champs | 2025-05-31 |
| 50m Breaststroke | 35.90 | Border City Invitational 2025 | 2025-12-05 |
| 50m Butterfly | 35.10 | 2025 MMST Club Champs | 2025-05-31 |
| 50m Freestyle | 29.54 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 800m Freestyle | 9:39.39 | Border City Invitational 2025 | 2025-12-05 |
O'Sullivan, Zoe's top personal bests include 100m Breaststroke (1:19.05), 100m Freestyle (1:02.90), 100m IM (1:17.11), 1500m Freestyle (1:28.35), 200m Backstroke (2:33.64).
O'Sullivan, Zoe swims for Milton Marlin Swim Team.
O'Sullivan, Zoe has competed in 9 meets.