| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:17.90 | Winter Swimfest 2026 | 2026-01-24 |
| 100m Breaststroke | 1:30.22 | OSHAC Spring Fling | 2025-05-31 |
| 100m Butterfly | 1:17.89 | 2025 Age Group International SC | 2025-11-27 |
| 100m Freestyle | 1:08.23 | Winter Swimfest 2026 | 2026-01-24 |
| 200m Backstroke | 2:49.14 | Winter Swimfest 2026 | 2026-01-24 |
| 200m Breaststroke | 3:08.47 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m Freestyle | 2:34.48 | 2025 Age Group International SC | 2025-11-27 |
| 200m IM | 2:47.65 | Winter Swimfest 2026 | 2026-01-24 |
| 400m Freestyle | 5:37.97 | VAC - 36th Roy Jacobson Inv. | 2025-12-05 |
| 400m IM | 6:15.27 | 2025 Rob Masson Memorial Distance Meet | 2025-11-15 |
| 50m Butterfly | 33.04 | 2025 Age Group International SC | 2025-11-27 |
| 50m Freestyle | 31.83 | 2025 Age Group International SC | 2025-11-27 |
Zenkin, Alex's top personal bests include 100m Backstroke (1:17.90), 100m Breaststroke (1:30.22), 100m Butterfly (1:17.89), 100m Freestyle (1:08.23), 200m Backstroke (2:49.14).
Zenkin, Alex swims for Oshawa Aquatic Club.
Zenkin, Alex has competed in 10 meets.