| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:25.24 | UCSC Spring Start-up | 2026-04-25 |
| 100m Backstroke | 1:22.91 | UCSC February Invitational | 2026-02-21 |
| 100m Breaststroke | 1:34.00 | UCSC February Invitational | 2026-02-21 |
| 100m Butterfly | 1:31.26 | UCSC Grand Prix | 2026-01-30 |
| 100m Freestyle | 1:12.36 | UCSC Spring Start-up | 2026-04-25 |
| 100m Freestyle | 1:13.90 | Summer Festival | 2025-06-13 |
| 100m IM | 1:23.62 | UCSC February Invitational | 2026-02-21 |
| 200m Backstroke | 2:57.91 | UCSC Holiday Classic | 2025-12-13 |
| 200m Breaststroke | 3:27.50 | UCSC Grand Prix | 2026-01-30 |
| 200m Butterfly | 2:58.18 | UCSC February Invitational | 2026-02-21 |
| 200m Freestyle | 2:28.13 | UCSC Holiday Classic | 2025-12-13 |
| 200m IM | 2:55.59 | UCSC Spring Start-up | 2026-04-25 |
| 200m IM | 2:51.63 | UCSC Holiday Classic | 2025-12-13 |
| 400m Freestyle | 5:22.56 | Summer Provincial Trials LC | 2025-06-27 |
| 400m Freestyle | 5:08.63 | Winter Provincial Trials | 2026-03-06 |
| 400m IM | 5:54.21 | Winter Provincial Trials | 2026-03-06 |
| 50m Backstroke | 40.28 | Summer Provincial Trials LC | 2025-06-27 |
| 50m Backstroke | 40.50 | UCSC TC1-Special | 2025-10-17 |
| 50m Breaststroke | 47.99 | UCSC Spring Start-up | 2026-04-25 |
| 50m Breaststroke | 43.18 | UCSC February Invitational | 2026-02-21 |
| 50m Butterfly | 39.60 | UCSC Spring Start-up | 2026-04-25 |
| 50m Butterfly | 35.53 | UCSC Holiday Classic | 2025-12-13 |
| 50m Freestyle | 32.53 | UCSC Spring Start-up | 2026-04-25 |
| 50m Freestyle | 31.88 | UCSC Holiday Classic | 2025-12-13 |
| 800m Freestyle | 11:12.94 | Summer Provincial Trials LC | 2025-06-27 |
| 800m Freestyle | 10:35.14 | Winter Provincial Trials | 2026-03-06 |
Mathew, Ben's top personal bests include 100m Backstroke (1:25.24), 100m Backstroke (1:22.91), 100m Breaststroke (1:34.00), 100m Butterfly (1:31.26), 100m Freestyle (1:12.36).
Mathew, Ben swims for Calgary Swimming.
Mathew, Ben has competed in 9 meets.