| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:29.44 | MAC Winter Invitational | 2026-01-22 |
| 100m Backstroke | 1:22.67 | Western Region Short Course Championships | 2026-02-12 |
| 100m Breaststroke | 1:30.74 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 100m Breaststroke | 1:27.27 | BAC Team Showdown 2025 | 2025-12-12 |
| 100m Butterfly | 1:27.90 | Western Region Short Course Championships | 2026-02-12 |
| 100m Freestyle | 1:26.66 | Western Region Long Course Championships | 2025-06-13 |
| 100m Freestyle | 1:13.17 | 2025 Age Group International SC | 2025-11-27 |
| 100m IM | 1:23.76 | 2025 NYAC Cup | 2025-11-14 |
| 200m Backstroke | 2:57.17 | Western Region Short Course Championships | 2026-02-12 |
| 200m Breaststroke | 3:15.31 | MAC Winter Invitational | 2026-01-22 |
| 200m Breaststroke | 3:11.20 | 2025 Age Group International SC | 2025-11-27 |
| 200m Freestyle | 2:45.49 | MAC Winter Invitational | 2026-01-22 |
| 200m Freestyle | 2:38.24 | Western Region Short Course Championships | 2026-02-12 |
| 200m IM | 2:57.98 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 200m IM | 2:55.38 | Western Region Short Course Championships | 2026-02-12 |
| 400m Freestyle | 5:42.05 | MAC Winter Invitational | 2026-01-22 |
| 400m Freestyle | 5:28.89 | Western Region Short Course Championships | 2026-02-12 |
| 50m Backstroke | 39.00 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 50m Backstroke | 37.57 | BAC Team Showdown 2025 | 2025-12-12 |
| 50m Breaststroke | 40.33 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 50m Breaststroke | 40.30 | 2025 NYAC Cup | 2025-11-14 |
| 50m Butterfly | 40.74 | MAC Winter Invitational | 2026-01-22 |
| 50m Butterfly | 41.42 | Dean Boles Invitational Meet | 2026-01-10 |
| 50m Freestyle | 34.25 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 50m Freestyle | 32.62 | Western Region Short Course Championships | 2026-02-12 |
Fletcher, Harry's top personal bests include 100m Backstroke (1:29.44), 100m Backstroke (1:22.67), 100m Breaststroke (1:30.74), 100m Breaststroke (1:27.27), 100m Butterfly (1:27.90).
Fletcher, Harry swims for Region of Waterloo Swim Club.
Fletcher, Harry has competed in 8 meets.