| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:09.01 | Summer Provincial Championships LC | 2025-07-24 |
| 100m Backstroke | 1:05.67 | UCSC Holiday Classic | 2025-12-13 |
| 100m Breaststroke | 1:24.64 | UCSC Fall Start Up | 2025-10-18 |
| 100m Butterfly | 1:15.06 | Summer Provincial Championships LC | 2025-07-24 |
| 100m Butterfly | 1:13.15 | UCSC Fall Start Up | 2025-10-18 |
| 100m Freestyle | 1:04.54 | UCSC Spring Start-up | 2026-04-25 |
| 100m Freestyle | 1:00.26 | UCSC Grand Prix | 2026-01-30 |
| 100m IM | 1:13.78 | UCSC TC1-Special | 2025-10-17 |
| 200m Backstroke | 2:32.18 | Summer Provincial Championships LC | 2025-07-24 |
| 200m Backstroke | 2:20.77 | UCSC Holiday Classic | 2025-12-13 |
| 200m Butterfly | 2:58.92 | UCSC Grand Prix | 2026-01-30 |
| 200m Freestyle | 2:26.54 | UCSC Grand Prix | 2026-01-30 |
| 200m IM | 2:42.38 | UCSC Spring Start-up | 2026-04-25 |
| 200m IM | 2:31.30 | UCSC Holiday Classic | 2025-12-13 |
| 400m Freestyle | 5:28.23 | UCSC Grand Prix | 2026-01-30 |
| 50m Backstroke | 31.19 | Summer Provincial Trials LC | 2025-06-27 |
| 50m Backstroke | 30.71 | Cascade Speed Meet 2025 Provincial Series #1 | 2025-11-08 |
| 50m Butterfly | 30.75 | UCSC Spring Start-up | 2026-04-25 |
| 50m Butterfly | 30.08 | UCSC Holiday Classic | 2025-12-13 |
| 50m Freestyle | 27.97 | UCSC Spring Start-up | 2026-04-25 |
| 50m Freestyle | 27.85 | UCSC TC1-Special | 2025-10-17 |
Mattar, Omar's top personal bests include 100m Backstroke (1:09.01), 100m Backstroke (1:05.67), 100m Breaststroke (1:24.64), 100m Butterfly (1:15.06), 100m Butterfly (1:13.15).
Mattar, Omar swims for Calgary Swimming.
Mattar, Omar has competed in 8 meets.