Head to head
Marcus Kamen vs Michael Nielsen
Two careers, 108 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.
Marcus Kamen (United States) and Michael Nielsen (United States) have met in 108 rounds across 12 competitions since 2019. Counting every round where both finished with a result, Michael Nielsen leads Marcus Kamen: 101 finishes in front to 7.
On personal bests the split is just as plain: across 13 shared events, Michael Nielsen holds the faster single in 11, Marcus Kamen in 1.
Personal bests, side by side
faster single in bold| Event | Marcus Kamen single | average | Michael Nielsen single | average |
|---|---|---|---|---|
| 3×3 | 5.96 | 7.80 | 4.96 | 6.21 |
| 2×2 | 1.12 | 2.14 | 0.77 | 1.37 |
| 4×4 | 31.21 | 38.16 | 25.58 | 29.10 |
| 5×5 | 1:13.98 | 1:22.32 | 53.84 | 59.50 |
| 6×6 | 2:50.87 | 2:56.63 | 1:53.47 | 2:10.50 |
| 7×7 | 4:46.75 | 4:54.54 | 3:32.52 | 3:36.41 |
| 3×3 Fewest Moves | 29 moves | 32.00 | 29 moves | 33.00 |
| 3×3 one-handed | 12.24 | 14.34 | 9.71 | 13.45 |
| Clock | 6.34 | 8.26 | 6.91 | 8.28 |
| Megaminx | 1:10.30 | 1:16.44 | 52.77 | 58.55 |
| Pyraminx | 1.09 | 1.76 | 0.98 | 1.41 |
| Skewb | 2.28 | 4.03 | 1.27 | 2.47 |
| Square-1 | 20.69 | 25.92 | 6.78 | 10.69 |
Year by year
every meeting, 108 rounds in allRecent meetings
newest first · averages where the round ranked on one, singles otherwise| Year | Competition | Event | Round | Marcus Kamen | Michael Nielsen | ahead |
|---|---|---|---|---|---|---|
| 2026 | Rubik's WCA North American Championship 2026 | 2×2 | Second round | 2.69 | 1.40 | Michael Nielsen |
| 2026 | Rubik's WCA North American Championship 2026 | 2×2 | First round | 2.50 | 1.69 | Michael Nielsen |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 | Second round | 9.64 | 8.43 | Michael Nielsen |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 | First round | 8.94 | 6.38 | Michael Nielsen |
| 2026 | Rubik's WCA North American Championship 2026 | 4×4 | First round | 39.83 | 30.16 | Michael Nielsen |
| 2026 | Rubik's WCA North American Championship 2026 | Pyraminx | First round | 2.00 | 1.82 | Michael Nielsen |
| 2026 | Rubik's WCA North American Championship 2026 | Pyraminx | Final | 2.78 | 1.97 | Michael Nielsen |
| 2026 | Rubik's WCA North American Championship 2026 | Pyraminx | Second round | 2.08 | 1.88 | Michael Nielsen |
| 2026 | Rubik's WCA North American Championship 2026 | Skewb | First round | 5.19 | 3.31 | Michael Nielsen |
| 2025 | Rubik's x TheCubicle CubingUSA All-Stars 2025 | Pyraminx | First round | 3.07 | 2.36 | Michael Nielsen |
| 2025 | Rubik's x TheCubicle CubingUSA All-Stars 2025 | Pyraminx | Final | 2.02 | 1.65 | Michael Nielsen |
| 2025 | Rubik's WCA World Championship 2025 | 2×2 | First round | 2.95 | 1.76 | Michael Nielsen |
| 2025 | Rubik's WCA World Championship 2025 | 3×3 | First round | 10.60 | 7.03 | Michael Nielsen |
| 2025 | Rubik's WCA World Championship 2025 | 3×3 one-handed | First round | 16.46 | 15.86 | Michael Nielsen |
Full careers: Marcus Kamen · Michael Nielsen. 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.