| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:03.87 | UBC Winter Warm-Up 2026 | 2026-01-17 |
| 100m Backstroke | 59.84 | BC Winter Divisionals - Vancouver & Fraser | 2026-02-20 |
| 200m Backstroke | 2:18.96 | UBC Winter Warm-Up 2026 | 2026-01-17 |
| 200m Backstroke | 2:10.02 | 2026 BC Winter Provincial Championships | 2026-03-05 |
| 200m Freestyle | 2:03.43 | UBC Winter Warm-Up 2026 | 2026-01-17 |
| 200m Freestyle | 1:57.20 | BC Winter Divisionals - Vancouver & Fraser | 2026-02-20 |
| 200m IM | 2:19.65 | OS Annual Short Course Invitational Swim Meet | 2025-10-31 |
| 400m Freestyle | 4:10.73 | BC Winter Divisionals - Vancouver & Fraser | 2026-02-20 |
| 50m Backstroke | 28.00 | 2026 BC Winter Provincial Championships | 2026-03-05 |
| 800m Freestyle | 9:04.06 | BC Winter Divisionals - Vancouver & Fraser | 2026-02-20 |
Ernani Dwyer, Guilherme's top personal bests include 100m Backstroke (1:03.87), 100m Backstroke (59.84), 200m Backstroke (2:18.96), 200m Backstroke (2:10.02), 200m Freestyle (2:03.43).
Ernani Dwyer, Guilherme swims for Olympians Swimming.
Ernani Dwyer, Guilherme has competed in 7 meets.