| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:18.76 | Edmonton Open 2026 | 2026-01-30 |
| 100m Backstroke | 1:12.32 | Blue Bears Invitational | 2026-01-16 |
| 100m Breaststroke | 1:35.65 | Lloydminster Riptides RUSH Invitational | 2026-02-28 |
| 100m Freestyle | 1:12.27 | Edmonton Open 2026 | 2026-01-30 |
| 100m Freestyle | 1:07.65 | OSC J.P. Fiset Invitational | 2025-12-11 |
| 100m IM | 1:19.26 | Winter Festival | 2026-01-23 |
| 200m Backstroke | 2:47.79 | Edmonton Open 2026 | 2026-01-30 |
| 200m Backstroke | 2:41.30 | Candy Cane Invitational | 2025-11-28 |
| 200m Freestyle | 2:38.66 | Edmonton Open 2026 | 2026-01-30 |
| 200m Freestyle | 2:27.64 | Blue Bears Invitational | 2026-01-16 |
| 400m Freestyle | 5:13.06 | Blue Bears Invitational | 2026-01-16 |
| 50m Backstroke | 35.89 | Edmonton Open 2026 | 2026-01-30 |
| 50m Backstroke | 34.09 | OSC J.P. Fiset Invitational | 2025-12-11 |
| 50m Breaststroke | 47.45 | Summer Provincial Trials LC | 2025-06-27 |
| 50m Breaststroke | 43.97 | Blue Bears Invitational | 2026-01-16 |
| 50m Butterfly | 36.39 | Blue Bears Invitational | 2026-01-16 |
| 50m Freestyle | 31.31 | Edmonton Open 2026 | 2026-01-30 |
| 50m Freestyle | 30.80 | Lloydminster Riptides RUSH Invitational | 2026-02-28 |
Mattuli, Tressa's top personal bests include 100m Backstroke (1:18.76), 100m Backstroke (1:12.32), 100m Breaststroke (1:35.65), 100m Freestyle (1:12.27), 100m Freestyle (1:07.65).
Mattuli, Tressa swims for Lloydminster Riptides Swim Club.
Mattuli, Tressa has competed in 8 meets.