In the past year (2025), Marcus Siu competed in 2 competitions and 38 rounds across 13 events, from Apr 18th to Dec 1st.
Solves/Attempts
He attempted 178 solves and completed 173.
| Event | Solves | Attempts |
| Skewb | 23 | 25 |
| 3x3x3 Cube | 20 | 20 |
| Pyraminx | 20 | 20 |
| Square-1 | 20 | 20 |
| 3x3x3 One-Handed | 19 | 20 |
| 4x4x4 Cube | 15 | 15 |
| Clock | 14 | 15 |
| 2x2x2 Cube | 10 | 10 |
| 5x5x5 Cube | 10 | 10 |
| Megaminx | 9 | 10 |
| 6x6x6 Cube | 6 | 6 |
| 7x7x7 Cube | 6 | 6 |
| 3x3x3 Fewest Moves | 1 | 1 |
Personal Bests
He broke his personal best 5 times across 4 events, including 1 single and 4 averages.
| Event | Times | Single | Average |
| Megaminx | 2 | 1 | 1 |
| 5x5x5 Cube | 1 | 0 | 1 |
| 6x6x6 Cube | 1 | 0 | 1 |
| Skewb | 1 | 0 | 1 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| Megaminx | 1:03.19 | 59.71 | 3.48 (5.83%) |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| 6x6x6 Cube | 2:06.18 | 1:55.41 | 10.77 (9.33%) |
| 5x5x5 Cube | 1:05.60 | 1:03.24 | 2.36 (3.73%) |
| Skewb | 4.44 | 4.30 | 0.14 (3.26%) |
| Megaminx | 1:08.30 | 1:07.89 | 0.41 (0.60%) |
Cubers
He met 226 cubers from 29 countries/regions, 5 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 221 |
| 2 | 5 |
| All | 226 |
Regions
He competed in 2 countries/regions.
| Region | Times |
| Portugal | 1 |
| United Kingdom | 1 |
