Head to head
Mason Langenderfer vs Jack Pfeifer
Two careers, 662 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.
Mason Langenderfer (United States) and Jack Pfeifer (United States) have met in 662 rounds across 60 competitions since 2016. Counting every round where both finished with a result, Jack Pfeifer leads Mason Langenderfer: 469 finishes in front to 186 and 7 ties.
On personal bests the split is just as plain: across 17 shared events, Jack Pfeifer holds the faster single in 11, Mason Langenderfer in 5.
Personal bests, side by side
faster single in bold| Event | Mason Langenderfer single | average | Jack Pfeifer single | average |
|---|---|---|---|---|
| 3×3 | 6.34 | 8.32 | 4.84 | 6.15 |
| 2×2 | 0.85 | 2.05 | 0.63 | 1.48 |
| 4×4 | 28.90 | 32.31 | 21.17 | 24.50 |
| 5×5 | 57.54 | 1:05.85 | 38.13 | 42.47 |
| 6×6 | 1:55.39 | 2:05.68 | 1:08.61 | 1:12.44 |
| 7×7 | 3:10.51 | 3:19.13 | 1:41.75 | 1:46.70 |
| 3×3 blindfolded | 17.30 | 24.69 | 29.52 | 37.46 |
| 3×3 Fewest Moves | 23 moves | 29.67 | 23 moves | 27.00 |
| 3×3 one-handed | 8.35 | 11.64 | 8.10 | 9.97 |
| Clock | 5.65 | 6.83 | 4.81 | 6.20 |
| Megaminx | 49.63 | 55.35 | 36.72 | 41.15 |
| Pyraminx | 2.30 | 3.40 | 1.59 | 2.66 |
| Skewb | 1.08 | 2.62 | 1.52 | 2.92 |
| Square-1 | 9.64 | 14.13 | 5.16 | 7.61 |
| 4×4 blindfolded | 2:12.40 | 2:47.76 | 6:47.82 | 7:57.64 |
| 5×5 blindfolded | 5:39.93 | 11:01.00 | 25:03.00 | — |
| 3×3 Multi-Blind | 28 of 31 cubes · 52:02 | — | 8 of 9 cubes · 52:39 | — |
Year by year
every meeting, 662 rounds in allRecent meetings
newest first · averages where the round ranked on one, singles otherwise| Year | Competition | Event | Round | Mason Langenderfer | Jack Pfeifer | ahead |
|---|---|---|---|---|---|---|
| 2026 | Ohio State Summer Mini 2026 | 3×3 | First round | 9.47 | 6.74 | Jack Pfeifer |
| 2026 | Ohio State Summer Mini 2026 | 3×3 | Final | 9.46 | 7.46 | Jack Pfeifer |
| 2026 | Ohio State Summer Mini 2026 | 6×6 | Final | 2:20.17 | 1:20.65 | Jack Pfeifer |
| 2026 | Ohio State Summer Mini 2026 | 7×7 | Final | 3:36.08 | 1:48.29 | Jack Pfeifer |
| 2026 | Ohio State Summer Mini 2026 | Square-1 | First round | 18.57 | 9.42 | Jack Pfeifer |
| 2026 | Ohio State Summer Mini 2026 | Square-1 | Final | 19.87 | 8.82 | Jack Pfeifer |
| 2026 | Ohio Quiet Championship 2026 | 3×3 blindfolded | First round | 21.36 | 1:10.72 | Mason Langenderfer |
| 2026 | Ohio Quiet Championship 2026 | 3×3 blindfolded | Second round | 20.40 | 56.41 | Mason Langenderfer |
| 2026 | Ohio Quiet Championship 2026 | 3×3 blindfolded | Final | 22.41 | 34.40 | Mason Langenderfer |
| 2026 | Ohio Quiet Championship 2026 | 3×3 Fewest Moves | Final | 38 moves | 30 moves | Jack Pfeifer |
| 2026 | Ohio Quiet Championship 2026 | 4×4 blindfolded | Final | — | 7:57.64 | Jack Pfeifer |
| 2026 | Ohio Quiet Championship 2026 | 4×4 blindfolded | First round | 2:51.64 | — | Mason Langenderfer |
| 2026 | Ohio Quiet Championship 2026 | 5×5 blindfolded | Final | — | — | tie |
| 2026 | Rubik's WCA North American Championship 2026 | 2×2 | First round | 3.43 | 1.97 | Jack Pfeifer |
Full careers: Mason Langenderfer · Jack Pfeifer. 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.