| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:37.87 | 2026 Trojan Pentathlon | 2026-03-06 |
| 100m Breaststroke | 1:46.41 | 2026 Trojan Pentathlon | 2026-03-06 |
| 100m Freestyle | 1:31.36 | 2026 Trojan Pentathlon | 2026-03-06 |
| 50m Backstroke | 41.33 | 2026 Trojan Pentathlon | 2026-03-06 |
| 50m Breaststroke | 47.61 | 2026 Trojan Pentathlon | 2026-03-06 |
| 50m Freestyle | 37.06 | 2026 Trojan Pentathlon | 2026-03-06 |
Mayne, Byron's top personal bests include 100m Backstroke (1:37.87), 100m Breaststroke (1:46.41), 100m Freestyle (1:31.36), 50m Backstroke (41.33), 50m Breaststroke (47.61).
Mayne, Byron swims for Orangeville Otters Swim Club.
Mayne, Byron has competed in 2 meets.