| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:21.26 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 100m Butterfly | 1:20.18 | 2025 MSSAC Open | 2025-12-19 |
| 100m Freestyle | 1:08.74 | 2026 MSSAC 14U Future Stars | 2026-01-31 |
| 200m Backstroke | 2:56.66 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 200m Freestyle | 2:27.05 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m IM | 2:53.14 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 400m Freestyle | 5:13.29 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Backstroke | 36.88 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 50m Breaststroke | 45.14 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Butterfly | 34.15 | 2025 MSSAC Open | 2025-12-19 |
| 50m Freestyle | 31.07 | 2026 MSSAC 14U Future Stars | 2026-01-31 |
Rahman, Rianna's top personal bests include 100m Backstroke (1:21.26), 100m Butterfly (1:20.18), 100m Freestyle (1:08.74), 200m Backstroke (2:56.66), 200m Freestyle (2:27.05).
Rahman, Rianna swims for Mississauga Aquatic Club.
Rahman, Rianna has competed in 13 meets.