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People · United States

Zachary Cribb

Clock · top 0.034% of 32,048 all-time · competing since April 2022 · 2022CRIB01

Zachary Cribb has been competing for 4 years. His best event is the Clock: a personal-best single of 1.94, set at Geneva IL Mini 2026, puts him in the top 0.034% of the 32,048 people who have ever been ranked in the event, and 4th in the United States. Until January 2025, no official Clock solve in the world had been that fast. Across 65 competitions since April 2022, he has put 3,114 official solves on the record across 16 events. Solve to solve, his 3×3 times vary about 13% around a typical one, steadier than 54% of the 35,811 competitors with ten or more counted rounds. His 3×3 best has come down from 11.12 in April 2022 to 5.01, a 55% improvement. Zachary has entered 65 competitions, more competitions than 99% of everyone who has ever competed.

Clock
best event — top 0.034% of 32,048 all-time
1.94
signature single · Geneva IL Mini 2026
3,114
official solves on the record
13%
solve-to-solve spread · steadier than 54% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingUnited States
Clock1.942.93
top 0.034%4 / 8,927
3×35.016.91
top 0.12%86 / 59,724
2×21.122.10
top 0.82%340 / 40,951
Pyraminx2.064.10
top 1.3%341 / 28,708
Megaminx40.6347.65
top 1.8%125 / 7,841
4×429.5534.01
top 2.6%419 / 19,072
Square-18.5511.84
top 3.8%284 / 6,743
3×3 Fewest Moves25 moves32.00
top 5.1%118 / 2,040
Skewb3.095.27
top 5.4%840 / 18,907
3×3 one-handed14.7818.46
top 7.7%1,021 / 15,683
5×51:06.981:14.46
top 9.6%754 / 9,401
3×3 blindfolded1:02.952:19.51
top 14.0%268 / 2,092
6×62:22.662:26.69
top 21.9%770 / 4,196
7×74:07.624:25.37
top 33.6%941 / 3,184
3×3 Multi-Blind2 of 2 cubes · 8:18—
top 61.7%474 / 731
4×4 blindfolded17:08.00—
early days — 1 solve346 / 440

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

Edneyville Spring 2022: 11.12CubingUSA Southeast Championship 2022: 8.81NxN Minnesota 2022: 7.49CubingUSA Great Lakes Championship 2022: 8.83Get to the Point 2022: 8.86SPAMtown Cubing 2023: 8.14Swallow Spring 2023: 8.56Door County Cube Challenge 2023: 8.41Washtenaw Qualifier 2023: 7.98Michigan 2023: 7.25CubingUSA Nationals 2023: 8.08Washtenaw Slow Summer 2023: 7.08Wisconsin Cubing Marathon 2023: 7.04Pyraminx in Pewaukee 2023: 7.62CubingUSA Great Lakes Championship 2023: 7.05Green Bay 2023: 7.91Middleton Meetup Thursday 2023: 7.27Milwaukee Cubing Mania 2024: 6.62DuPage Winter 2024: 6.83Muske-GO 2024: 7.98Countless Cubes Chicagoland A 2024: 6.92Chicago Area Twist Spring A 2024: 6.96Wisconsin Qualifier 2024: 6.44Ackerman Spring 2024: 7.06Rubik's WCA North American Championship 2024: 7.00Cubing in Oak Creek 2024: 6.98Door County Cube Challenge 2024: 5.66CubingUSA Great Lakes Championship 2024: 6.88Pyraminx in Pewaukee 2024: 7.00Kenosha First A 2024: 7.334x4 by Four Madison Lakes 2024: 5.57Unorthodox Blocks Wisconsin 2025: 6.55Skewb on the Madison Snow 2025: 7.01Racing Kane 2025: 6.05Solve La Crosse 2025: 7.22Midwest Cubing Classic 2025: 7.48Madison Manor Monday 2025: 7.49Rubik's WCA World Championship 2025: 5.84CubingUSA Great Lakes Championship 2025: 5.01Hancock County Summer 2025: 6.73Wisconsin Championship 2025: 6.43Pyraminx in Pewaukee 2025: 6.90Machesney Park Fall 2025: 5.99Evanston Fall Favorites B 2025: 7.09Naperville Gray Skies 2026: 6.77Wisconsin on Ice 2026: 6.42Pyraminx with Madison Ideas 2026: 6.77Eau Clock Wisconsin 2026: 6.36Machesney Park Spring 2026: 6.11Racine Rendezvous 2026: 6.53Midwest Cubing Classic 2026: 7.203x3 in Madison 2026: 5.95CubingUSA Heartland Championship 2026: 6.35CubingUSA Great Lakes Championship 2026: 6.22Rubik's WCA North American Championship 2026: 5.53Big Cube Battle of Waterloo 2026: 6.865.0111.1210 Apr 202215 Aug 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-5 3×3 single — 344 people have one; it is 0.01 away.
  • A sub-1 2×2 single — 1,032 people have one; it is 0.12 away.

Targets move as he improves.