| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:21.11 | Goldfins Winter Whiteout | 2026-02-06 |
| 100m Breaststroke | 1:33.68 | 2025 Canada Games | 2025-08-10 |
| 100m Freestyle | 1:05.16 | Saturday Night Showdown | 2025-06-14 |
| 100m Freestyle | 1:04.20 | 2025 Prairie Winter International | 2025-12-11 |
| 200m Backstroke | 2:39.92 | Spooktacular Goldfins Invitational 49 | 2025-10-24 |
| 200m Breaststroke | 3:10.16 | Spooktacular Goldfins Invitational 49 | 2025-10-24 |
| 200m Freestyle | 2:23.32 | Goldfins Winter Whiteout | 2026-02-06 |
| 200m Freestyle | 2:19.46 | 2025 Prairie Winter International | 2025-12-11 |
| 200m IM | 2:53.50 | ManSask Provincial Championships | 2025-07-10 |
| 200m IM | 2:40.05 | 2025 Prairie Winter International | 2025-12-11 |
| 400m Freestyle | 5:10.79 | ManSask Provincial Championships | 2025-07-10 |
| 400m Freestyle | 4:50.95 | 2025 Prairie Winter International | 2025-12-11 |
| 50m Backstroke | 35.94 | Goldfins Winter Whiteout | 2026-02-06 |
| 50m Backstroke | 35.21 | Spooktacular Goldfins Invitational 49 | 2025-10-24 |
| 50m Breaststroke | 42.83 | Goldfins Blue vs Gold | 2025-06-28 |
| 50m Butterfly | 33.17 | Goldfins Winter Whiteout | 2026-02-06 |
| 50m Butterfly | 31.44 | 2025 Prairie Winter International | 2025-12-11 |
| 50m Freestyle | 28.65 | Saturday Night Showdown | 2025-06-14 |
| 50m Freestyle | 28.79 | Spooktacular Goldfins Invitational 49 | 2025-10-24 |
| 800m Freestyle | 10:38.14 | ManSask Provincial Championships | 2025-07-10 |
Weber, Mariah's top personal bests include 100m Backstroke (1:21.11), 100m Breaststroke (1:33.68), 100m Freestyle (1:05.16), 100m Freestyle (1:04.20), 200m Backstroke (2:39.92).
Weber, Mariah swims for Team Gold.
Weber, Mariah has competed in 7 meets.