Head to head
Jack Pfeifer vs Kate Grahame
Two careers, 248 shared rounds, one running count. Everything below comes from the official results the two of them posted in the same rounds of the same competitions.
Jack Pfeifer (United States) and Kate Grahame (United States) have met in 248 rounds across 17 competitions since 2018. Counting every round where both finished with a result, Jack Pfeifer leads Kate Grahame: 197 finishes in front to 48 and 3 ties.
On personal bests the split is just as plain: across 17 shared events, Jack Pfeifer holds the faster single in 13, Kate Grahame in 4.
Personal bests, side by side
faster single in bold| Event | Jack Pfeifer single | average | Kate Grahame single | average |
|---|---|---|---|---|
| 3×3 | 4.84 | 6.15 | 5.92 | 7.30 |
| 2×2 | 0.63 | 1.48 | 1.02 | 1.71 |
| 4×4 | 21.17 | 24.50 | 22.27 | 27.57 |
| 5×5 | 38.13 | 42.47 | 39.13 | 44.60 |
| 6×6 | 1:08.61 | 1:12.44 | 1:13.06 | 1:17.48 |
| 7×7 | 1:41.75 | 1:46.70 | 1:49.01 | 1:55.19 |
| 3×3 blindfolded | 29.52 | 37.46 | 48.44 | 56.32 |
| 3×3 Fewest Moves | 23 moves | 27.00 | 25 moves | 30.00 |
| 3×3 one-handed | 8.10 | 9.97 | 10.58 | 13.83 |
| Clock | 4.81 | 6.20 | 4.27 | 6.04 |
| Megaminx | 36.72 | 41.15 | 44.32 | 51.25 |
| Pyraminx | 1.59 | 2.66 | 1.65 | 3.13 |
| Skewb | 1.52 | 2.92 | 1.64 | 4.03 |
| Square-1 | 5.16 | 7.61 | 8.50 | 10.83 |
| 4×4 blindfolded | 6:47.82 | 7:57.64 | 5:59.78 | 7:34.27 |
| 5×5 blindfolded | 25:03.00 | — | 14:16.00 | 19:23.00 |
| 3×3 Multi-Blind | 8 of 9 cubes · 52:39 | — | 14 of 15 cubes · 58:24 | — |
Year by year
every meeting, 248 rounds in allRecent meetings
newest first · averages where the round ranked on one, singles otherwise| Year | Competition | Event | Round | Jack Pfeifer | Kate Grahame | ahead |
|---|---|---|---|---|---|---|
| 2026 | Rubik's WCA North American Championship 2026 | 2×2 | Second round | 1.64 | 2.53 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | 2×2 | First round | 1.97 | 2.22 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 | Second round | 6.42 | 8.23 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 | First round | 7.30 | 8.45 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 one-handed | First round | 12.11 | 15.63 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | 4×4 | Second round | 28.37 | 31.12 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | 4×4 | First round | 26.91 | 27.57 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | 5×5 | Second round | 44.35 | 48.29 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | 5×5 | First round | 45.28 | 49.93 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | 5×5 | Final | 46.41 | 50.09 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | 6×6 | First round | 1:20.02 | 1:24.15 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | 6×6 | Final | 1:20.38 | 1:22.24 | Jack Pfeifer |
| 2026 | Rubik's WCA North American Championship 2026 | 7×7 | Final | 2:00.55 | 1:58.08 | Kate Grahame |
| 2026 | Rubik's WCA North American Championship 2026 | 7×7 | First round | 1:57.58 | 1:55.54 | Kate Grahame |
Full careers: Jack Pfeifer · Kate Grahame. A meeting is a round of one event at one competition where both finished with a counted result. Who finished ahead follows official placing in the round: rounds played to an average are won on the average, best-of rounds on the single.