In the past year (2025), Jacob O'Callaghan competed in 3 competitions and 48 rounds across 13 events, from Jan 25th to Sep 21st.
Solves/Attempts
He attempted 221 solves and completed 215.
| Event | Solves | Attempts |
| 3x3x3 Cube | 40 | 40 |
| 2x2x2 Cube | 30 | 30 |
| 3x3x3 One-Handed | 30 | 30 |
| 4x4x4 Cube | 25 | 25 |
| Skewb | 25 | 25 |
| Pyraminx | 20 | 20 |
| Square-1 | 20 | 20 |
| Clock | 15 | 15 |
| Megaminx | 8 | 10 |
| 5x5x5 Cube | 2 | 2 |
| 6x6x6 Cube | 0 | 2 |
| 7x7x7 Cube | 0 | 1 |
| 3x3x3 Fewest Moves | 0 | 1 |
Personal Bests
He broke his personal best 13 times across 8 events, including 7 singles and 6 averages.
| Event | Times | Single | Average |
| 3x3x3 Cube | 2 | 1 | 1 |
| 3x3x3 One-Handed | 2 | 1 | 1 |
| Clock | 2 | 1 | 1 |
| Megaminx | 2 | 1 | 1 |
| Skewb | 2 | 1 | 1 |
| 2x2x2 Cube | 1 | 1 | 0 |
| 4x4x4 Cube | 1 | 0 | 1 |
| Square-1 | 1 | 1 | 0 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| 2x2x2 Cube | 2.14 | 1.04 | 1.10 (105.77%) |
| Skewb | 5.55 | 3.28 | 2.27 (69.21%) |
| Megaminx | 2:03.38 | 1:37.48 | 25.90 (26.57%) |
| 3x3x3 One-Handed | 25.19 | 19.95 | 5.24 (26.27%) |
| Square-1 | 21.51 | 19.95 | 1.56 (7.82%) |
| 3x3x3 Cube | 9.41 | 8.78 | 0.63 (7.18%) |
| Clock | 12.30 | 11.95 | 0.35 (2.93%) |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| 3x3x3 One-Handed | 30.64 | 25.17 | 5.47 (21.73%) |
| Skewb | 8.25 | 7.14 | 1.11 (15.55%) |
| Clock | 15.56 | 13.50 | 2.06 (15.26%) |
| 4x4x4 Cube | 1:03.87 | 56.93 | 6.94 (12.19%) |
| 3x3x3 Cube | 11.39 | 10.63 | 0.76 (7.15%) |
| Megaminx | - | 2:00.83 | - |
Cubers
He met 175 cubers from 16 countries/regions, 15 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 160 |
| 2 | 15 |
| All | 175 |
Regions
He competed in 2 countries/regions.
| Region | Times |
| New Zealand | 2 |
| France | 1 |