| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:14.56 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 100m Breaststroke | 1:27.79 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 100m Butterfly | 1:18.52 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 100m Freestyle | 1:03.97 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 1500m Freestyle | 2:59.43 | VAC2025 - 1500-800-400 Free Endurance Builder | 2025-11-08 |
| 200m Backstroke | 2:36.00 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 200m Breaststroke | 3:00.50 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m Butterfly | 2:53.93 | 2026 Steve Kingston Memorial | 2026-03-06 |
| 200m Freestyle | 2:17.32 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m IM | 2:41.22 | VAC - 36th Roy Jacobson Inv. | 2025-12-05 |
| 400m Freestyle | 4:48.32 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 400m IM | 5:53.96 | 2025 OSHAC Fall Invitational | 2025-11-01 |
| 50m Freestyle | 29.88 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 800m Freestyle | 10:26.19 | VAC2025 - 1500-800-400 Free Endurance Builder | 2025-11-08 |
Gorniak, Massimo's top personal bests include 100m Backstroke (1:14.56), 100m Breaststroke (1:27.79), 100m Butterfly (1:18.52), 100m Freestyle (1:03.97), 1500m Freestyle (2:59.43).
Gorniak, Massimo swims for Vaughan Aquatic Club.
Gorniak, Massimo has competed in 7 meets.