In the past year (2025), Rianna Mercer competed in 5 competitions and 31 rounds across 10 events, from Jan 25th to May 18th.
Solves/Attempts
She attempted 131 solves and completed 126.
| Event | Solves | Attempts |
| 3x3x3 Cube | 50 | 50 |
| Pyraminx | 25 | 25 |
| Skewb | 15 | 15 |
| 2x2x2 Cube | 10 | 10 |
| 4x4x4 Cube | 7 | 7 |
| 3x3x3 One-Handed | 7 | 7 |
| Clock | 5 | 5 |
| Megaminx | 4 | 6 |
| 5x5x5 Cube | 2 | 2 |
| Square-1 | 1 | 4 |
Personal Bests
She broke her personal best 27 times across 10 events, including 14 singles and 13 averages.
| Event | Times | Single | Average |
| 3x3x3 Cube | 6 | 3 | 3 |
| Pyraminx | 5 | 2 | 3 |
| Skewb | 4 | 1 | 3 |
| 4x4x4 Cube | 3 | 2 | 1 |
| 2x2x2 Cube | 2 | 1 | 1 |
| 3x3x3 One-Handed | 2 | 1 | 1 |
| Clock | 2 | 1 | 1 |
| 5x5x5 Cube | 1 | 1 | 0 |
| Megaminx | 1 | 1 | 0 |
| Square-1 | 1 | 1 | 0 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| 3x3x3 Cube | - | 14.35 | - |
| Pyraminx | - | 7.30 | - |
| Skewb | - | 3.33 | - |
| 4x4x4 Cube | - | 1:13.86 | - |
| 2x2x2 Cube | - | 6.26 | - |
| 3x3x3 One-Handed | - | 39.50 | - |
| Clock | - | 14.86 | - |
| 5x5x5 Cube | - | 3:20.05 | - |
| Megaminx | - | 3:05.27 | - |
| Square-1 | - | 4:51.66 | - |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| 3x3x3 Cube | - | 16.96 | - |
| Pyraminx | - | 11.28 | - |
| Skewb | - | 5.97 | - |
| 4x4x4 Cube | - | 1:19.21 | - |
| 2x2x2 Cube | - | 9.15 | - |
| 3x3x3 One-Handed | - | 53.84 | - |
| Clock | - | 20.09 | - |
Cubers
She met 367 cubers from 12 countries/regions, 29 of whom competed with her more than once.
| Shared Competitions | Competitors |
| 1 | 338 |
| 2 | 28 |
| 3 | 1 |
| All | 367 |
Regions
She competed in 2 countries/regions.