Head to head
Walker Welch vs Simon Kellum
Two careers, 1,077 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.
Walker Welch (United States) and Simon Kellum (United States) have met in 1,077 rounds across 94 competitions since 2016. Counting every round where both finished with a result, Simon Kellum leads Walker Welch: 542 finishes in front to 532 and 3 ties.
On personal bests the split is just as plain: across 17 shared events, Walker Welch holds the faster single in 8, Simon Kellum in 8.
Personal bests, side by side
faster single in bold| Event | Walker Welch single | average | Simon Kellum single | average |
|---|---|---|---|---|
| 3×3 | 6.80 | 8.66 | 4.91 | 7.06 |
| 2×2 | 0.66 | 1.82 | 0.71 | 1.44 |
| 4×4 | 29.61 | 33.54 | 29.24 | 35.27 |
| 5×5 | 55.06 | 1:02.22 | 55.69 | 1:04.66 |
| 6×6 | 1:37.22 | 1:43.40 | 1:53.03 | 2:06.17 |
| 7×7 | 2:23.87 | 2:34.43 | 2:57.72 | 3:15.06 |
| 3×3 blindfolded | 38.46 | 1:18.86 | 39.08 | 1:02.97 |
| 3×3 Fewest Moves | 19 moves | 21.00 | 19 moves | 20.67 |
| 3×3 one-handed | 12.05 | 15.35 | 8.49 | 11.90 |
| Clock | 4.35 | 6.14 | 4.00 | 4.88 |
| Megaminx | 50.08 | 59.04 | 39.37 | 45.94 |
| Pyraminx | 2.06 | 3.67 | 0.73 | 1.53 |
| Skewb | 1.38 | 3.88 | 0.85 | 1.71 |
| Square-1 | 7.88 | 13.83 | 6.65 | 10.13 |
| 4×4 blindfolded | 5:16.47 | 7:21.53 | 7:34.34 | — |
| 5×5 blindfolded | 14:41.00 | 19:09.00 | 19:52.00 | — |
| 3×3 Multi-Blind | 13 of 13 cubes · 57:02 | — | 10 of 12 cubes · 56:45 | — |
Year by year
every meeting, 1,077 rounds in allRecent meetings
newest first · averages where the round ranked on one, singles otherwise| Year | Competition | Event | Round | Walker Welch | Simon Kellum | ahead |
|---|---|---|---|---|---|---|
| 2026 | Rubik's WCA North American Championship 2026 | 2×2 | First round | 2.25 | 2.36 | Walker Welch |
| 2026 | Rubik's WCA North American Championship 2026 | 2×2 | Second round | 2.93 | 2.65 | Simon Kellum |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 | First round | 10.82 | 8.63 | Simon Kellum |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 blindfolded | First round | — | 1:05.08 | Simon Kellum |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 Fewest Moves | Final | 27 moves | 23 moves | Simon Kellum |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 one-handed | First round | 20.12 | 12.94 | Simon Kellum |
| 2026 | Rubik's WCA North American Championship 2026 | 4×4 | First round | 40.07 | 36.71 | Simon Kellum |
| 2026 | Rubik's WCA North American Championship 2026 | 5×5 | First round | 1:05.00 | 1:10.10 | Walker Welch |
| 2026 | Rubik's WCA North American Championship 2026 | Pyraminx | First round | 8.88 | 2.10 | Simon Kellum |
| 2026 | Rubik's WCA North American Championship 2026 | Skewb | First round | 6.09 | 2.89 | Simon Kellum |
| 2026 | FMC World 2026 | 3×3 Fewest Moves | Final | 21.00 | 21.67 | Walker Welch |
| 2026 | Madison Manor PBQ 2026 | 3×3 blindfolded | First round | 1:54.05 | 1:38.42 | Simon Kellum |
| 2026 | Madison Manor PBQ 2026 | 3×3 Fewest Moves | Final | 23.67 | 20.67 | Simon Kellum |
| 2025 | FMC under the Mistletoe 2025 | 3×3 Fewest Moves | Final | 25.00 | 22 moves | Walker Welch |
Full careers: Walker Welch · Simon Kellum. 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.