| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:25.83 | Bluefins Fall Pentathlon | 2025-11-14 |
| 100m Breaststroke | 1:30.57 | Winter Waves Invitational | 2026-03-13 |
| 100m Butterfly | 1:18.49 | 2025 SNL Provincial Championships | 2025-05-30 |
| 100m Freestyle | 1:09.68 | Bluefins Fall Pentathlon | 2025-11-14 |
| 100m IM | 1:20.57 | Icebreaker Invitational | 2026-01-30 |
| 200m Backstroke | 3:03.72 | Icebreaker Invitational | 2026-01-30 |
| 200m Breaststroke | 3:06.79 | 2025 SNL Provincial Championships | 2025-05-30 |
| 200m Butterfly | 3:01.98 | Winter Waves Invitational | 2026-03-13 |
| 200m Freestyle | 2:32.97 | Winter Waves Invitational | 2026-03-13 |
| 200m IM | 2:51.46 | 2025 SNL Provincial Championships | 2025-05-30 |
| 400m Freestyle | 5:17.29 | Winter Waves Invitational | 2026-03-13 |
| 400m IM | 6:11.18 | Icebreaker Invitational | 2026-01-30 |
| 50m Breaststroke | 41.21 | 2025 SNL Provincial Championships | 2025-05-30 |
| 50m Butterfly | 36.60 | Icebreaker Invitational | 2026-01-30 |
Mandeville, Elizabeth's top personal bests include 100m Backstroke (1:25.83), 100m Breaststroke (1:30.57), 100m Butterfly (1:18.49), 100m Freestyle (1:09.68), 100m IM (1:20.57).
Mandeville, Elizabeth swims for St. John's Legends Swim Club.
Mandeville, Elizabeth has competed in 6 meets.