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People · United States

Ari Randers-Pehrson

4×4 · top 0.038% of 83,917 all-time · competing since July 2017 · 2017RAND06

Ari Randers-Pehrson has been competing for 9 years. His best event is the 4×4: a personal-best single of 19.48, set at Cubing in the Ocean County 2025, puts him in the top 0.038% of the 83,917 people who have ever been ranked in the event, and 6th in the United States. Until June 2017, no official 4×4 solve in the world had been that fast. Across 94 competitions since July 2017, he has put 4,131 official solves on the record across 14 events. Solve to solve, his 3×3 times vary about 12% around a typical one, steadier than 80% of the 35,811 competitors with ten or more counted rounds. His 3×3 best has come down from 26.19 in July 2017 to 5.08, an 81% improvement. Ari has entered 94 competitions, more competitions than 99% of everyone who has ever competed.

4×4
best event — top 0.038% of 83,917 all-time
19.48
signature single · Cubing in the Ocean County 2025
4,131
official solves on the record
12%
solve-to-solve spread · steadier than 80% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingUnited States
4×419.4822.49
top 0.038%6 / 19,072
3×35.087.25
top 0.14%92 / 59,724
5×542.0245.89
top 0.32%26 / 9,401
6×61:23.961:31.36
top 1.0%39 / 4,196
2×21.452.78
top 1.9%778 / 40,951
7×72:18.842:31.92
top 2.2%63 / 3,184
Skewb2.685.56
top 3.5%552 / 18,907
Square-19.4011.74
top 5.1%371 / 6,743
3×3 one-handed13.5416.54
top 5.3%753 / 15,683
Pyraminx3.826.52
top 6.8%1,736 / 28,708
Clock8.169.15
top 16.0%1,218 / 8,927
Megaminx1:12.121:18.15
top 16.9%1,154 / 7,841
3×3 Fewest Moves33 moves39.67
top 23.4%507 / 2,040
3×3 blindfolded4:31.55—
early days — 2 solves1,552 / 2,092

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

Slow N Steady Summer 2017: 26.19Severna Park Summer 2017: 19.39Rally In The Valley 2017: 16.71Maryland 2017: 12.29TJHSST Fall 2017: 13.69Northern Neck Winter 2018: 13.67Slow N Steady Winter 2018: 12.40NovaCube 2018: 13.06River Hill Spring 2018: 10.88Tea Time Spring 2018: 10.11Rally In The Valley 2018: 11.74Maryland 2018: 10.17First State 2018: 8.71Fredericksburg Summer Open 2018: 9.25Slow N Steady Summer 2018: 11.08RVAutumn 2018: 9.26TJHSST Fall 2018: 10.42Penn Cube Day Fall 2018: 9.09Northern Neck Winter 2019: 9.70Battle of Virginia Beach Winter 2019: 8.98CubingUSA Northeast Championship 2019: 8.79ODU Big Blue Spring 2019: 8.84Woodberry Forest School Cubing 2019: 8.52MLWGS Spring 2019: 7.75Virginia Qualifier 2019: 8.30Richmond Spring 2019: 8.51Northern Virginia Summer 2019: 8.51CubingUSA Nationals 2019: 7.93Slow N Steady Summer 2019: 8.15Solving Hunger Virginia 2019: 8.26TJHSST Fall 2019: 7.68Constitution State Winter 2020: 6.99Country Roads Martinsburg 2020: 8.28Slow N Steady Winter 2020: 7.29GA Cubers Return B 2021: 7.08Idaho Summer B 2021: 7.61Empire State Summer A 2021: 7.49Babylon Fall 2021: 6.99Pittsburgh Fall 2021: 6.84Bulldog Holiday Bash 2021: 7.02Maine Spring 2022: 7.89Slow N Steady Spring 2022: 7.60Saint John's Spring 2022: 7.53Empire State Spring 2022: 7.31River Hill Spring 2022: 5.68CubingUSA Northeast Championship 2022: 7.03Rubik's WCA North American Championship 2022: 7.32Rubik's WCA European Championship 2022: 7.26Norwegian Championship 2022: 6.79CubingUSA Southeast Championship 2022: 6.86Pretzel Mania 2022: 6.13Princeton Fall 2022: 6.82Think In Fink Fall 2022: 6.83River Hill Fall 2022: 6.69Happy Valley Fall 2022: 6.65West Chester Fall 2022: 6.43Crystal City Winter 2023: 7.69Sleepless in Seattle 2023: 6.64Penn Cube Day Spring 2023: 6.75Virginia Beach Spring 2023: 7.39Virginia Re-Open Spring 2023: 6.38Slow N Steady Spring 2023: 6.72NA Stadium Series - Cleveland 2023: 6.57TJHSST Spring 2023: 6.65Weston-super-Mare Spring 2023: 7.02Cubing in the Lion's Den 2023: 6.40CubingUSA Nationals 2023: 7.21Rubik's WCA World Championship 2023: 6.95Virginia Championship 2023: 6.84Virginia Still-Open Winter 2024: 6.73Cubing at Carson 2024: 6.83North Jersey Speedsolving A 2024: 7.03New Jersey Championship 2024: 6.18Pennsylvania Championship 2024: 6.70Rubik's WCA North American Championship 2024: 6.65CubingUSA Western Championship 2024: 5.08UMBC Fall 2024: 6.94CubingUSA Mid-Atlantic Championship 2024: 6.20Virginia Always Open Spring 2025: 6.55UMBC Spring 2025: 6.32TJHSST Spring 2025: 6.43Rubik's WCA World Championship 2025: 6.62Connecticut Championship 2025: 6.32Bucks County Cubing AM 2025: 6.78Virginia Championship 2025: 6.41Rubik's WCA North American Championship 2026: 6.84Mid-Atlantic Speedcubing Championship 2026: 6.545.0826.191 Jul 201714 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 0.08 away.
  • A sub-40 5×5 single — 68 people have one; it is 2.02 away.

Targets move as he improves.