| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:45.67 | MAC Rising Star #2 | 2025-05-30 |
| 100m Backstroke | 1:40.27 | 2025 Alex Baumann Invitational | 2025-11-21 |
| 100m Breaststroke | 1:40.93 | BAD Outdoor LC Invitational | 2025-06-20 |
| 100m Breaststroke | 1:30.35 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Butterfly | 1:48.29 | 2025 Alex Baumann Invitational | 2025-11-21 |
| 100m Freestyle | 1:30.74 | MAC Rising Star #2 | 2025-05-30 |
| 100m Freestyle | 1:29.02 | MAC Jingle Bell | 2025-12-12 |
| 200m Backstroke | 3:26.93 | MAC Jingle Bell | 2025-12-12 |
| 200m Freestyle | 3:23.99 | MAC Rising Star #2 | 2025-05-30 |
| 200m Freestyle | 3:18.82 | MAC Jingle Bell | 2025-12-12 |
| 200m IM | 3:40.95 | BAD Outdoor LC Invitational | 2025-06-20 |
| 200m IM | 3:34.06 | 2025 OAK Brad Townsend Fall Classic | 2025-10-17 |
| 400m Freestyle | 7:07.04 | MAC Jingle Bell | 2025-12-12 |
| 50m Backstroke | 48.19 | BAD Outdoor LC Invitational | 2025-06-20 |
| 50m Backstroke | 47.62 | 2025 OAK Brad Townsend Fall Classic | 2025-10-17 |
| 50m Butterfly | 43.79 | BAD Outdoor LC Invitational | 2025-06-20 |
| 50m Butterfly | 42.76 | 2025 OAK Brad Townsend Fall Classic | 2025-10-17 |
| 50m Freestyle | 42.16 | BAD Outdoor LC Invitational | 2025-06-20 |
| 50m Freestyle | 35.14 | MAC Jingle Bell | 2025-12-12 |
Ugwunze, Arianna's top personal bests include 100m Backstroke (1:45.67), 100m Backstroke (1:40.27), 100m Breaststroke (1:40.93), 100m Breaststroke (1:30.35), 100m Butterfly (1:48.29).
Ugwunze, Arianna swims for Oakville Aquatic Club.
Ugwunze, Arianna has competed in 6 meets.