In the past year (2025), James Zimmermann competed in 5 competitions and 28 rounds across 6 events, from Feb 15th to Oct 5th.
Solves/Attempts
He attempted 125 solves and completed 111.
| Event | Solves | Attempts |
| Clock | 28 | 30 |
| 2x2x2 Cube | 27 | 30 |
| 3x3x3 Cube | 25 | 25 |
| Pyraminx | 15 | 15 |
| Skewb | 15 | 17 |
| 4x4x4 Cube | 1 | 8 |
Personal Bests
He broke his personal best 21 times across 6 events, including 9 singles and 12 averages.
| Event | Times | Single | Average |
| Clock | 8 | 4 | 4 |
| Pyraminx | 4 | 2 | 2 |
| 2x2x2 Cube | 3 | 1 | 2 |
| Skewb | 3 | 1 | 2 |
| 3x3x3 Cube | 2 | 0 | 2 |
| 4x4x4 Cube | 1 | 1 | 0 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| Pyraminx | 14.56 | 6.15 | 8.41 (136.75%) |
| 2x2x2 Cube | 6.27 | 3.46 | 2.81 (81.21%) |
| Skewb | 12.22 | 8.07 | 4.15 (51.43%) |
| Clock | 11.93 | 9.39 | 2.54 (27.05%) |
| 4x4x4 Cube | - | 3:28.46 | - |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| Skewb | 32.50 | 15.34 | 17.16 (111.86%) |
| Pyraminx | 18.96 | 14.18 | 4.78 (33.71%) |
| Clock | 14.19 | 11.87 | 2.32 (19.55%) |
| 2x2x2 Cube | 8.78 | 7.99 | 0.79 (9.89%) |
| 3x3x3 Cube | 33.75 | 31.48 | 2.27 (7.21%) |
Cubers
He met 264 cubers from 27 countries/regions, 104 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 160 |
| 2 | 45 |
| 3 | 29 |
| 4 | 14 |
| 5 | 16 |
| All | 264 |
Regions
He competed in 1 country/region.