| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:34.05 | Nose Creek Invitational 2026 | 2026-03-14 |
| 100m Breaststroke | 1:45.43 | Winter Wild Hair Fundamentals | 2026-03-13 |
| 100m Butterfly | 1:42.48 | Sandy Ferris Age Group Food Bank Challenge 2025 | 2025-12-19 |
| 100m Freestyle | 1:20.44 | Nose Creek Invitational 2026 | 2026-03-14 |
| 100m IM | 1:30.70 | Winter Wild Hair Fundamentals | 2026-03-13 |
| 200m Backstroke | 3:29.01 | Jack Frost 2025 | 2025-10-24 |
| 200m Breaststroke | 3:47.56 | Maverick Madness 2026 | 2026-01-30 |
| 200m Freestyle | 2:52.04 | Nose Creek Invitational 2026 | 2026-03-14 |
| 200m IM | 3:13.38 | Nose Creek Invitational 2026 | 2026-03-14 |
| 400m Freestyle | 6:35.01 | Jack Frost 2025 | 2025-10-24 |
| 50m Backstroke | 44.70 | Maverick Madness 2026 | 2026-01-30 |
| 50m Breaststroke | 48.56 | Nose Creek Invitational 2026 | 2026-03-14 |
| 50m Butterfly | 38.79 | Nose Creek Invitational 2026 | 2026-03-14 |
| 50m Freestyle | 35.70 | Nose Creek Invitational 2026 | 2026-03-14 |
Gupta, Mahira's top personal bests include 100m Backstroke (1:34.05), 100m Breaststroke (1:45.43), 100m Butterfly (1:42.48), 100m Freestyle (1:20.44), 100m IM (1:30.70).
Gupta, Mahira swims for Cascade Swim Club.
Gupta, Mahira has competed in 8 meets.