| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:41.90 | 2026 Joanne Malar Invitational | 2026-01-16 |
| 100m Breaststroke | 1:45.07 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Freestyle | 1:35.30 | MAC Jingle Bell | 2025-12-12 |
| 200m Freestyle | 3:36.11 | 2026 Joanne Malar Invitational | 2026-01-16 |
| 50m Backstroke | 47.85 | MAC Rising Star #1 | 2025-11-08 |
| 50m Breaststroke | 52.45 | Paul Corkum Memorial 2025 | 2025-10-18 |
| 50m Butterfly | 42.42 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Freestyle | 37.79 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
Rivera, Mavis's top personal bests include 100m Backstroke (1:41.90), 100m Breaststroke (1:45.07), 100m Freestyle (1:35.30), 200m Freestyle (3:36.11), 50m Backstroke (47.85).
Rivera, Mavis swims for Toronto Olympian Swim Team.
Rivera, Mavis has competed in 5 meets.