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People · United States

Matthew Ketroser

3×3 · top 3.3% of 288,433 all-time · competing since March 2024 · 2024KETR01

Matthew Ketroser has been competing for 3 years. His best event is the 3×3: a personal-best single of 8.27, set at Berkeley Fall 2026, puts him in the top 3.3% of the 288,433 people who have ever been ranked in the event, and 1,901st in the United States. Until July 2008, no official 3×3 solve in the world had been that fast. Across 35 competitions since March 2024, he has put 888 official solves on the record across ten events. Solve to solve, his 3×3 times vary about 13% around a typical one, steadier than 60% of the 36,406 competitors with ten or more counted rounds. His 3×3 best has come down from 16.30 in March 2024 to 8.27, a 49% improvement. Matthew has entered 35 competitions, more competitions than 99% of everyone who has ever competed.

3×3
best event — top 3.3% of 288,433 all-time
8.27
signature single · Berkeley Fall 2026
888
official solves on the record
13%
solve-to-solve spread · steadier than 60% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingUnited States
3×38.2710.15
top 3.3%1,901 / 60,666
2×21.742.74
top 3.3%1,306 / 41,674
Clock5.898.14
top 6.9%548 / 9,172
Pyraminx3.964.94
top 7.5%1,946 / 29,168
4×440.2743.15
top 12.5%1,874 / 19,354
Square-113.4816.91
top 13.0%906 / 6,846
5×51:20.751:31.64
top 19.8%1,573 / 9,537
Megaminx1:18.081:26.76
top 20.6%1,441 / 8,026
Skewb5.607.70
top 22.8%3,680 / 19,164
3×3 one-handed21.8925.74
top 25.8%3,367 / 15,900

Percentile against all competitors ever ranked in each event, a fairer measure than raw rank, because the pools differ by a factor of ten.

The line so far

Bay Area Speedcubin' 59 LIVE - SSF 2024: 16.30Bay Area Speedcubin' 60 - Mountain View 2024: 15.16Berkeley Spring 2024: 15.04Bay Area Speedcubin' 62 LIVE - SSF 2024: 13.66Berkeley Summer 2024: 12.59Bay Area Speedcubin' 63 - Atherton 2024: 12.58Rubik's WCA North American Championship 2024: 12.06Bay Area Speedcubin' 65 - Berkeley 2024: 10.96Davis Fall 2024: 10.62Cool Down Berkeley 2024: 12.01Bay Area Speedcubin' 66 - Belmont 2024: 9.20Bay Area Speedcubin' 67 - San Ramon 2025: 10.87Berkeley Winter 2025: 10.18Bay Area Side Events Day 2025: 11.13Berkeley Spring 2025: 11.11Belmont Spring 2025: 10.54Rubik's WCA World Championship 2025: 9.35Davis Summer 2025: 10.46Benicia Open 2025: 9.00San Ramon Fall 2025: 9.22Berkeley Fall 2025: 9.30Davis Fall 2025: 9.40Cool Down Berkeley 2025: 9.48Dublin California Open 2025: 9.29Bay Area Speedcubin' 68 - Belmont 2025: 9.01Davis Winter 2026: 9.61Duper Super Davis Spring 2026: 9.11Berkeley Spring 2026: 9.39Belmont Spring 2026: 8.59Mountain House Open 2026: 8.74Davis Big Summer 2026: 9.48Bay Area Speedcubin' 69 2026: 10.70Benicia Open II 2026: 9.13Berkeley Fall 2026: 8.278.2716.3030 Mar 202411 Oct 2026

Best single per competition, 3×3. Faster is higher — the axis is the right way up.

The story so far

Competitions

Reading this page: a single is one solve's time · an average is the middle three of five solves, best and worst discarded · a PB is a personal best · a DNF (did not finish) is an attempt with no valid result: a popped piece, an unsolved face, an over-limit memorisation · top X% compares against everyone ever ranked in that event, which is fairer than raw rank because event pools differ tenfold.

The circuit

The people whose scorecards keep turning up next to his.

Next targets

  • A sub-8 3×3 single — 8,101 people have one; it is 0.27 away.
  • A sub-1 2×2 single — 1,050 people have one; it is 0.74 away.

Targets move as he improves.