| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:53.22 | 2026 Trojan Pentathlon | 2026-03-06 |
| 100m Breaststroke | 2:38.08 | BAC Team Showdown 2025 | 2025-12-12 |
| 100m Freestyle | 1:39.22 | 2026 Trojan Pentathlon | 2026-03-06 |
| 100m IM | 2:06.86 | GHAC Super Fun Development Series #2 | 2026-02-14 |
| 25m Butterfly | 31.00 | BAC Jr Series Finale | 2025-06-01 |
| 50m Backstroke | 55.60 | 2026 Trojan Pentathlon | 2026-03-06 |
| 50m Breaststroke | 1:11.39 | BAC Team Showdown 2025 | 2025-12-12 |
| 50m Butterfly | 57.74 | 2026 Trojan Pentathlon | 2026-03-06 |
| 50m Freestyle | 45.94 | BAC SC Fall Invitational | 2025-11-07 |
Vilniskaitis, Brynn's top personal bests include 100m Backstroke (1:53.22), 100m Breaststroke (2:38.08), 100m Freestyle (1:39.22), 100m IM (2:06.86), 25m Butterfly (31.00).
Vilniskaitis, Brynn swims for Brantford Aquatic Club.
Vilniskaitis, Brynn has competed in 9 meets.