| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Breaststroke | 1:24.70 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 100m Breaststroke | 1:24.61 | Dean Boles Invitational Meet | 2026-01-10 |
| 100m Butterfly | 1:15.05 | David Lawson Invitational 2026 | 2026-01-23 |
| 100m Freestyle | 1:06.71 | Western Region Short Course Championships | 2026-02-12 |
| 100m IM | 1:20.81 | ROW Fall First Try | 2025-10-18 |
| 200m Breaststroke | 3:05.74 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 200m Breaststroke | 2:57.50 | Western Region Short Course Championships | 2026-02-12 |
| 200m Freestyle | 2:38.82 | BAC SC Fall Invitational | 2025-11-07 |
| 200m IM | 2:43.62 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 200m IM | 2:40.22 | Western Region Short Course Championships | 2026-02-12 |
| 400m IM | 6:03.76 | David Lawson Invitational 2026 | 2026-01-23 |
| 50m Backstroke | 36.80 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 50m Backstroke | 34.82 | David Lawson Invitational 2026 | 2026-01-23 |
| 50m Breaststroke | 39.30 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 50m Breaststroke | 39.15 | Western Region Short Course Championships | 2026-02-12 |
| 50m Butterfly | 31.72 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 50m Butterfly | 31.43 | Western Region Short Course Championships | 2026-02-12 |
| 50m Freestyle | 29.57 | Western Region Short Course Championships | 2026-02-12 |
Molchnanov, Mykhailo's top personal bests include 100m Breaststroke (1:24.70), 100m Breaststroke (1:24.61), 100m Butterfly (1:15.05), 100m Freestyle (1:06.71), 100m IM (1:20.81).
Molchnanov, Mykhailo swims for Region of Waterloo Swim Club.
Molchnanov, Mykhailo has competed in 9 meets.