In the past year (2025), Demi Vollebregt competed in 9 competitions and 93 rounds across 11 events, from Mar 22nd to Oct 19th.
Solves/Attempts
She attempted 426 solves and completed 419.
| Event | Solves | Attempts |
| 3x3x3 Cube | 75 | 75 |
| 4x4x4 Cube | 60 | 60 |
| 2x2x2 Cube | 55 | 55 |
| 5x5x5 Cube | 52 | 52 |
| Skewb | 45 | 45 |
| Pyraminx | 33 | 35 |
| 3x3x3 One-Handed | 29 | 29 |
| Clock | 28 | 32 |
| Megaminx | 27 | 27 |
| 6x6x6 Cube | 11 | 11 |
| 7x7x7 Cube | 4 | 5 |
Personal Bests
She broke her personal best 46 times across 11 events, including 17 singles and 29 averages.
| Event | Times | Single | Average |
| 4x4x4 Cube | 7 | 2 | 5 |
| Clock | 6 | 3 | 3 |
| Megaminx | 6 | 2 | 4 |
| 5x5x5 Cube | 5 | 2 | 3 |
| 3x3x3 One-Handed | 5 | 3 | 2 |
| 3x3x3 Cube | 4 | 1 | 3 |
| 6x6x6 Cube | 4 | 2 | 2 |
| Skewb | 3 | 0 | 3 |
| 2x2x2 Cube | 2 | 0 | 2 |
| 7x7x7 Cube | 2 | 1 | 1 |
| Pyraminx | 2 | 1 | 1 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| Clock | 23.50 | 10.46 | 13.04 (124.67%) |
| Pyraminx | 12.19 | 8.67 | 3.52 (40.60%) |
| 6x6x6 Cube | 3:48.96 | 3:01.04 | 47.92 (26.47%) |
| 3x3x3 One-Handed | 36.84 | 29.52 | 7.32 (24.80%) |
| 3x3x3 Cube | 15.82 | 13.59 | 2.23 (16.41%) |
| 4x4x4 Cube | 58.41 | 50.28 | 8.13 (16.17%) |
| Megaminx | 1:41.54 | 1:30.85 | 10.69 (11.77%) |
| 5x5x5 Cube | 1:40.96 | 1:34.17 | 6.79 (7.21%) |
| 7x7x7 Cube | - | 4:49.80 | - |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| Pyraminx | 17.41 | 12.47 | 4.94 (39.62%) |
| 3x3x3 One-Handed | 44.45 | 36.10 | 8.35 (23.13%) |
| 3x3x3 Cube | 21.14 | 18.26 | 2.88 (15.77%) |
| 4x4x4 Cube | 1:06.64 | 58.29 | 8.35 (14.32%) |
| 2x2x2 Cube | 7.06 | 6.23 | 0.83 (13.32%) |
| 5x5x5 Cube | 1:55.29 | 1:43.81 | 11.48 (11.06%) |
| Skewb | 10.73 | 9.70 | 1.03 (10.62%) |
| Clock | - | 10.84 | - |
| Megaminx | - | 1:43.77 | - |
| 6x6x6 Cube | - | 3:20.15 | - |
| 7x7x7 Cube | - | 4:50.80 | - |
Cubers
She met 1131 cubers from 47 countries/regions, 332 of whom competed with her more than once. Mark Bennis was the only one who accompanied the whole 9 competitions.
| Shared Competitions | Competitors |
| 1 | 799 |
| 2 | 131 |
| 3 | 66 |
| 4 | 70 |
| 5 | 30 |
| 6 | 21 |
| 7 | 12 |
| 8 | 1 |
| 9 | 1 |
| All | 1131 |
Regions
She competed in 3 countries/regions.
| Region | Times |
| Netherlands | 7 |
| Germany | 1 |
| United Kingdom | 1 |
