Head to head
Mason Langenderfer vs Carter Kucala
Two careers, 379 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 Carter Kucala (United States) have met in 379 rounds across 24 competitions since 2017. Counting every round where both finished with a result, Carter Kucala leads Mason Langenderfer: 327 finishes in front to 48 and 4 ties.
On personal bests the split is just as plain: across 17 shared events, Carter Kucala holds the faster single in 15, Mason Langenderfer in 2.
Personal bests, side by side
faster single in bold| Event | Mason Langenderfer single | average | Carter Kucala single | average |
|---|---|---|---|---|
| 3×3 | 6.34 | 8.32 | 4.71 | 6.49 |
| 2×2 | 0.85 | 2.05 | 0.62 | 1.39 |
| 4×4 | 28.90 | 32.31 | 22.82 | 28.49 |
| 5×5 | 57.54 | 1:05.85 | 47.11 | 53.32 |
| 6×6 | 1:55.39 | 2:05.68 | 1:31.34 | 1:42.68 |
| 7×7 | 3:10.51 | 3:19.13 | 2:28.11 | 2:39.63 |
| 3×3 blindfolded | 17.30 | 24.69 | 15.99 | 20.46 |
| 3×3 Fewest Moves | 23 moves | 29.67 | 18 moves | 20.33 |
| 3×3 one-handed | 8.35 | 11.64 | 7.70 | 9.45 |
| Clock | 5.65 | 6.83 | 3.44 | 4.46 |
| Megaminx | 49.63 | 55.35 | 40.15 | 45.38 |
| Pyraminx | 2.30 | 3.40 | 1.38 | 1.90 |
| Skewb | 1.08 | 2.62 | 0.75 | 1.52 |
| Square-1 | 9.64 | 14.13 | 4.55 | 7.41 |
| 4×4 blindfolded | 2:12.40 | 2:47.76 | 2:16.89 | 3:06.82 |
| 5×5 blindfolded | 5:39.93 | 11:01.00 | 5:59.46 | 8:24.71 |
| 3×3 Multi-Blind | 28 of 31 cubes · 52:02 | — | 32 of 33 cubes · 59:01 | — |
Year by year
every meeting, 379 rounds in allRecent meetings
newest first · averages where the round ranked on one, singles otherwise| Year | Competition | Event | Round | Mason Langenderfer | Carter Kucala | ahead |
|---|---|---|---|---|---|---|
| 2026 | Rubik's WCA North American Championship 2026 | 2×2 | First round | 3.43 | 2.20 | Carter Kucala |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 | First round | 9.73 | 7.61 | Carter Kucala |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 | Second round | 9.30 | 6.87 | Carter Kucala |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 blindfolded | Final | 23.55 | — | Mason Langenderfer |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 blindfolded | Second round | 23.39 | 21.49 | Carter Kucala |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 blindfolded | First round | 29.32 | 30.79 | Carter Kucala |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 Multi-Blind | Final | 27 of 31 cubes · 1:00:00 | — | Mason Langenderfer |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 one-handed | Second round | 14.76 | 13.09 | Carter Kucala |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 one-handed | First round | 14.44 | 11.56 | Carter Kucala |
| 2026 | Rubik's WCA North American Championship 2026 | 4×4 | First round | 36.69 | 30.15 | Carter Kucala |
| 2026 | Rubik's WCA North American Championship 2026 | 4×4 blindfolded | Final | 2:43.06 | 4:11.52 | Mason Langenderfer |
| 2026 | Rubik's WCA North American Championship 2026 | 5×5 | First round | 1:09.97 | 1:01.74 | Carter Kucala |
| 2026 | Rubik's WCA North American Championship 2026 | 5×5 blindfolded | Final | — | 8:53.43 | Carter Kucala |
| 2026 | Rubik's WCA North American Championship 2026 | Pyraminx | First round | 7.94 | 3.10 | Carter Kucala |
Full careers: Mason Langenderfer · Carter Kucala. 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.