| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:47.30 | 2025 Friesen Plastics LASC Fall Challenge | 2025-10-24 |
| 100m Freestyle | 1:27.10 | 2025 Friesen Plastics LASC Fall Challenge | 2025-10-24 |
| 50m Backstroke | 41.17 | 2026 Pronghorn Classic | 2026-03-13 |
| 50m Breaststroke | 52.25 | 2025 Friesen Plastics LASC Fall Challenge | 2025-10-24 |
| 50m Butterfly | 48.85 | 2026 Pronghorn Classic | 2026-03-13 |
| 50m Freestyle | 36.59 | 2025 Friesen Plastics LASC Fall Challenge | 2025-10-24 |
Monahan, Gavin's top personal bests include 100m Backstroke (1:47.30), 100m Freestyle (1:27.10), 50m Backstroke (41.17), 50m Breaststroke (52.25), 50m Butterfly (48.85).
Monahan, Gavin swims for LA Swim Club.
Monahan, Gavin has competed in 2 meets.