Head to head
Mason Langenderfer vs Jack Pfeifer
Two careers, 686 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 686 rounds across 61 competitions since 2016. Counting every round where both finished with a result, Jack Pfeifer leads Mason Langenderfer: 492 finishes in front to 187 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 | 20.88 | 24.50 |
| 5×5 | 57.54 | 1:05.85 | 38.13 | 42.42 |
| 6×6 | 1:55.39 | 2:05.68 | 1:08.61 | 1:12.44 |
| 7×7 | 3:09.68 | 3:19.13 | 1:37.08 | 1:46.70 |
| 3×3 blindfolded | 17.30 | 23.98 | 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 | 7.58 |
| 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, 686 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 Championship 2026 | 2×2 | Second round | 2.60 | 1.82 | Jack Pfeifer |
| 2026 | Ohio Championship 2026 | 2×2 | First round | 3.45 | 2.36 | Jack Pfeifer |
| 2026 | Ohio Championship 2026 | 2×2 | Final | 2.91 | 2.12 | Jack Pfeifer |
| 2026 | Ohio Championship 2026 | 3×3 | First round | 10.00 | 7.16 | Jack Pfeifer |
| 2026 | Ohio Championship 2026 | 3×3 | Semi Final | 8.75 | 6.69 | Jack Pfeifer |
| 2026 | Ohio Championship 2026 | 3×3 | Second round | 9.13 | 7.56 | Jack Pfeifer |
| 2026 | Ohio Championship 2026 | 3×3 | Final | 9.04 | 6.36 | Jack Pfeifer |
| 2026 | Ohio Championship 2026 | 3×3 one-handed | First round | 13.56 | 12.32 | Jack Pfeifer |
| 2026 | Ohio Championship 2026 | 3×3 one-handed | Second round | 15.30 | 12.45 | Jack Pfeifer |
| 2026 | Ohio Championship 2026 | 3×3 one-handed | Final | 13.75 | 12.35 | Jack Pfeifer |
| 2026 | Ohio Championship 2026 | 4×4 | Final | 36.76 | 28.06 | Jack Pfeifer |
| 2026 | Ohio Championship 2026 | 4×4 | First round | 34.94 | 25.18 | Jack Pfeifer |
| 2026 | Ohio Championship 2026 | 5×5 | Final | 1:09.56 | 43.82 | Jack Pfeifer |
| 2026 | Ohio Championship 2026 | 5×5 | First round | 1:09.08 | 42.42 | 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.