| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:47.76 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 100m Breaststroke | 2:05.86 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 100m Freestyle | 1:32.91 | David Lawson Invitational 2026 | 2026-01-23 |
| 100m IM | 1:54.33 | 2025 OAK Brad Townsend Fall Classic | 2025-10-17 |
| 200m Backstroke | 4:06.91 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 200m Breaststroke | 4:29.09 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 200m Freestyle | 3:38.48 | MAC Jingle Bell | 2025-12-12 |
| 200m IM | 3:54.84 | David Lawson Invitational 2026 | 2026-01-23 |
| 50m Backstroke | 50.48 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 50m Breaststroke | 57.68 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 50m Butterfly | 52.16 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 50m Freestyle | 43.24 | MAC Jingle Bell | 2025-12-12 |
De Villiers, Jana's top personal bests include 100m Backstroke (1:47.76), 100m Breaststroke (2:05.86), 100m Freestyle (1:32.91), 100m IM (1:54.33), 200m Backstroke (4:06.91).
De Villiers, Jana swims for Oakville Aquatic Club.
De Villiers, Jana has competed in 6 meets.