In the past year (2025), Jack Pfeifer competed in 46 competitions and 516 rounds across 17 events, from Jan 11th to Dec 29th.
Podiums
He has been on the podium 152 times across 13 events, including 60 golds, 59 silvers, and 33 bronzes.
| Event | Gold | Silver | Bronze |
| 7x7x7 Cube | 15 | 4 | |
| 6x6x6 Cube | 13 | 3 | |
| 5x5x5 Cube | 10 | 9 | 2 |
| 4x4x4 Cube | 6 | 11 | 5 |
| 3x3x3 Cube | 5 | 14 | 3 |
| Square-1 | 4 | 4 | 5 |
| Megaminx | 3 | | 3 |
| 3x3x3 One-Handed | 2 | 6 | 5 |
| 2x2x2 Cube | 1 | 4 | 4 |
| Skewb | 1 | | 5 |
| 3x3x3 Blindfolded | | 2 | 1 |
| Clock | | 1 | |
| 3x3x3 Multi-Blind | | 1 | |
Solves/Attempts
He attempted 2382 solves and completed 2269.
| Event | Solves | Attempts |
| 3x3x3 Cube | 420 | 425 |
| 2x2x2 Cube | 243 | 255 |
| 3x3x3 One-Handed | 218 | 220 |
| 4x4x4 Cube | 194 | 195 |
| 5x5x5 Cube | 194 | 195 |
| Pyraminx | 184 | 190 |
| Square-1 | 168 | 170 |
| Clock | 157 | 180 |
| Skewb | 147 | 150 |
| Megaminx | 123 | 125 |
| 7x7x7 Cube | 90 | 90 |
| 6x6x6 Cube | 89 | 90 |
| 3x3x3 Blindfolded | 21 | 51 |
| 3x3x3 Fewest Moves | 20 | 31 |
| 3x3x3 Multi-Blind | 1 | 1 |
| 4x4x4 Blindfolded | 0 | 12 |
| 5x5x5 Blindfolded | 0 | 2 |
Personal Bests
He broke his personal best 48 times across 11 events, including 25 singles and 23 averages.
| Event | Times | Single | Average |
| 4x4x4 Cube | 8 | 5 | 3 |
| 7x7x7 Cube | 8 | 3 | 5 |
| Clock | 7 | 4 | 3 |
| 5x5x5 Cube | 6 | 2 | 4 |
| 6x6x6 Cube | 5 | 2 | 3 |
| 3x3x3 One-Handed | 5 | 4 | 1 |
| 3x3x3 Cube | 3 | 2 | 1 |
| Megaminx | 2 | 0 | 2 |
| Square-1 | 2 | 1 | 1 |
| 2x2x2 Cube | 1 | 1 | 0 |
| Skewb | 1 | 1 | 0 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| Skewb | 1.97 | 1.52 | 0.45 (29.61%) |
| Clock | 5.93 | 4.81 | 1.12 (23.28%) |
| 2x2x2 Cube | 0.76 | 0.63 | 0.13 (20.63%) |
| 3x3x3 One-Handed | 9.72 | 8.10 | 1.62 (20.00%) |
| 4x4x4 Cube | 24.47 | 21.17 | 3.30 (15.59%) |
| 6x6x6 Cube | 1:17.47 | 1:08.61 | 8.86 (12.91%) |
| 7x7x7 Cube | 1:56.04 | 1:43.39 | 12.65 (12.24%) |
| Square-1 | 5.52 | 5.16 | 0.36 (6.98%) |
| 5x5x5 Cube | 40.55 | 38.68 | 1.87 (4.83%) |
| 3x3x3 Cube | 5.24 | 5.13 | 0.11 (2.14%) |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| 3x3x3 One-Handed | 11.77 | 9.97 | 1.80 (18.05%) |
| Clock | 6.95 | 6.20 | 0.75 (12.10%) |
| 7x7x7 Cube | 2:02.80 | 1:50.86 | 11.94 (10.77%) |
| 6x6x6 Cube | 1:20.21 | 1:12.44 | 7.77 (10.73%) |
| 5x5x5 Cube | 46.98 | 43.60 | 3.38 (7.75%) |
| Megaminx | 43.22 | 41.15 | 2.07 (5.03%) |
| 3x3x3 Cube | 6.43 | 6.15 | 0.28 (4.55%) |
| 4x4x4 Cube | 26.31 | 25.44 | 0.87 (3.42%) |
| Square-1 | 7.61 | 7.61 | - |
Cubers
He met 2773 cubers from 74 countries/regions, 498 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 2275 |
| 2 | 267 |
| 3 | 86 |
| 4 | 50 |
| 5 | 27 |
| 6 | 12 |
| 7 | 9 |
| 8 | 9 |
| 9 | 6 |
| 10 | 2 |
| 11 | 4 |
| 12 | 1 |
| 13 | 4 |
| 14 | 6 |
| 15 | 1 |
| 16 | 3 |
| 17 | 2 |
| 20 | 1 |
| 21 | 3 |
| 22 | 2 |
| 24 | 1 |
| 26 | 1 |
| 33 | 1 |
| All | 2773 |
Regions
He competed in 1 country/region.
