| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:07.60 | 2025 Summer Divisionals - North & Interior | 2025-06-27 |
| 100m Breaststroke | 1:15.40 | Western Transmountain Festival I | 2026-02-14 |
| 100m Breaststroke | 1:10.02 | 2026 BC Winter Provincial Championships | 2026-03-05 |
| 100m Butterfly | 1:05.96 | 2026 BC Winter Provincial Championships | 2026-03-05 |
| 100m Freestyle | 58.85 | Western Transmountain Festival I | 2026-02-14 |
| 100m Freestyle | 56.06 | 2026 BC Winter Provincial Championships | 2026-03-05 |
| 100m IM | 1:09.65 | Smile Enhancement Studio 2025 Pentathlon | 2025-10-17 |
| 200m Backstroke | 2:31.30 | Smile Enhancement Studio 2025 Pentathlon | 2025-10-17 |
| 200m Breaststroke | 2:47.72 | Western Transmountain Festival I | 2026-02-14 |
| 200m Breaststroke | 2:36.05 | 2026 BC Winter Provincial Championships | 2026-03-05 |
| 200m Butterfly | 2:43.41 | 2025 Summer Divisionals - North & Interior | 2025-06-27 |
| 200m Freestyle | 2:14.06 | Western Transmountain Festival I | 2026-02-14 |
| 200m Freestyle | 2:04.79 | KCS 32nd MJB Law Classic SCM | 2025-12-12 |
| 200m IM | 2:19.96 | 2026 BC Winter Provincial Championships | 2026-03-05 |
| 400m Freestyle | 4:38.02 | 2025 Summer Divisionals - North & Interior | 2025-06-27 |
| 400m IM | 5:27.19 | KAJ Snowfest | 2026-01-23 |
| 400m IM | 5:23.33 | Smile Enhancement Studio 2025 Pentathlon | 2025-10-17 |
| 50m Backstroke | 34.05 | KAJ Snowfest | 2026-01-23 |
| 50m Backstroke | 32.25 | Smile Enhancement Studio 2025 Pentathlon | 2025-10-17 |
| 50m Breaststroke | 32.95 | Western Transmountain Festival I | 2026-02-14 |
| 50m Breaststroke | 31.97 | 2026 BC Winter Provincial Championships | 2026-03-05 |
| 50m Butterfly | 29.90 | KAJ Snowfest | 2026-01-23 |
| 50m Butterfly | 27.97 | 2026 BC Winter Provincial Championships | 2026-03-05 |
| 50m Freestyle | 27.34 | Western Transmountain Festival I | 2026-02-14 |
| 50m Freestyle | 26.11 | KCS 32nd MJB Law Classic SCM | 2025-12-12 |
| 800m Freestyle | 9:39.21 | KISU 800FR TT - SNC Virtual Distance Series | 2026-04-24 |
McEachern, Nina's top personal bests include 100m Backstroke (1:07.60), 100m Breaststroke (1:15.40), 100m Breaststroke (1:10.02), 100m Butterfly (1:05.96), 100m Freestyle (58.85).
McEachern, Nina swims for KISU Swim Club.
McEachern, Nina has competed in 10 meets.