| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:04.69 | BC Winter Divisionals - North & Interior | 2026-02-20 |
| 100m Breaststroke | 1:20.46 | BC Winter Divisionals - North & Interior | 2026-02-20 |
| 100m Butterfly | 1:08.45 | KAJ Snowfest | 2026-01-23 |
| 100m Butterfly | 1:04.52 | BC Winter Divisionals - North & Interior | 2026-02-20 |
| 100m Freestyle | 58.97 | KAJ Snowfest | 2026-01-23 |
| 100m Freestyle | 57.02 | 2026 BC Winter Provincial Championships | 2026-03-05 |
| 100m IM | 1:09.39 | KAJ Fall Classic | 2025-11-21 |
| 200m Backstroke | 2:39.28 | KAJ Snowfest | 2026-01-23 |
| 200m Backstroke | 2:26.75 | BC Winter Divisionals - North & Interior | 2026-02-20 |
| 200m Breaststroke | 3:14.83 | Smile Enhancement Studio 2025 Pentathlon | 2025-10-17 |
| 200m Butterfly | 2:51.40 | KAJ Fall Classic | 2025-11-21 |
| 200m Freestyle | 2:17.29 | KAJ Snowfest | 2026-01-23 |
| 200m Freestyle | 2:05.97 | BC Winter Divisionals - North & Interior | 2026-02-20 |
| 200m IM | 2:34.92 | KAJ Snowfest | 2026-01-23 |
| 200m IM | 2:24.39 | BC Winter Divisionals - North & Interior | 2026-02-20 |
| 400m Freestyle | 4:40.50 | BC Winter Divisionals - North & Interior | 2026-02-20 |
| 50m Backstroke | 31.16 | KAJ Snowfest | 2026-01-23 |
| 50m Backstroke | 29.86 | 2026 BC Winter Provincial Championships | 2026-03-05 |
| 50m Breaststroke | 36.03 | BC Winter Divisionals - North & Interior | 2026-02-20 |
| 50m Butterfly | 29.67 | KAJ Snowfest | 2026-01-23 |
| 50m Butterfly | 28.99 | KCS 32nd MJB Law Classic SCM | 2025-12-12 |
| 50m Freestyle | 26.62 | KAJ Snowfest | 2026-01-23 |
| 50m Freestyle | 26.05 | 2026 BC Winter Provincial Championships | 2026-03-05 |
| 800m Freestyle | 10:54.56 | KAJ Fall Classic | 2025-11-21 |
Haugli, Mattias's top personal bests include 100m Backstroke (1:04.69), 100m Breaststroke (1:20.46), 100m Butterfly (1:08.45), 100m Butterfly (1:04.52), 100m Freestyle (58.97).
Haugli, Mattias swims for Kelowna AquaJets.
Haugli, Mattias has competed in 8 meets.