In the past year (2025), Mary Hennessy competed in 23 competitions and 219 rounds across 11 events, from Jan 4th to Dec 14th.
Solves/Attempts
She attempted 1003 solves and completed 994.
| Event | Solves | Attempts |
| 3x3x3 Cube | 224 | 225 |
| 2x2x2 Cube | 160 | 160 |
| Pyraminx | 123 | 125 |
| 4x4x4 Cube | 121 | 122 |
| 5x5x5 Cube | 107 | 107 |
| Clock | 88 | 90 |
| Megaminx | 64 | 65 |
| 6x6x6 Cube | 36 | 36 |
| 3x3x3 One-Handed | 35 | 36 |
| 7x7x7 Cube | 32 | 32 |
| 3x3x3 Fewest Moves | 4 | 5 |
Personal Bests
She broke her personal best 23 times across 8 events, including 11 singles and 12 averages.
| Event | Times | Single | Average |
| 4x4x4 Cube | 7 | 3 | 4 |
| 6x6x6 Cube | 6 | 2 | 4 |
| 5x5x5 Cube | 5 | 3 | 2 |
| 3x3x3 Cube | 1 | 0 | 1 |
| 2x2x2 Cube | 1 | 1 | 0 |
| 7x7x7 Cube | 1 | 0 | 1 |
| 3x3x3 Fewest Moves | 1 | 1 | 0 |
| Clock | 1 | 1 | 0 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| 2x2x2 Cube | 2.06 | 1.36 | 0.70 (51.47%) |
| Clock | 9.53 | 8.66 | 0.87 (10.05%) |
| 4x4x4 Cube | 46.52 | 42.47 | 4.05 (9.54%) |
| 5x5x5 Cube | 1:27.09 | 1:21.54 | 5.55 (6.81%) |
| 6x6x6 Cube | 2:56.65 | 2:49.53 | 7.12 (4.20%) |
| 3x3x3 Fewest Moves | 46 | 46 | - |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| 5x5x5 Cube | 1:40.94 | 1:31.54 | 9.40 (10.27%) |
| 6x6x6 Cube | 3:20.32 | 3:02.13 | 18.19 (9.99%) |
| 4x4x4 Cube | 53.01 | 48.55 | 4.46 (9.19%) |
| 7x7x7 Cube | 4:50.33 | 4:36.55 | 13.78 (4.98%) |
| 3x3x3 Cube | 13.83 | 13.49 | 0.34 (2.52%) |
Cubers
She met 2650 cubers from 78 countries/regions, 308 of whom competed with her more than once.
| Shared Competitions | Competitors |
| 1 | 2342 |
| 2 | 111 |
| 3 | 52 |
| 4 | 38 |
| 5 | 16 |
| 6 | 21 |
| 7 | 11 |
| 8 | 8 |
| 9 | 8 |
| 10 | 4 |
| 11 | 13 |
| 12 | 5 |
| 13 | 6 |
| 14 | 5 |
| 15 | 4 |
| 16 | 1 |
| 17 | 2 |
| 20 | 1 |
| 21 | 1 |
| 22 | 1 |
| All | 2650 |
Regions
She competed in 4 countries/regions.
| Region | Times |
| Ireland | 20 |
| Italy | 1 |
| United Kingdom | 1 |
| USA | 1 |