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People · United States

NJ Kim

Clock · top 0.51% of 32,048 all-time · competing since February 2022 · 2022KIMN01

NJ Kim has been competing for 5 years. Her best event is the Clock: a personal-best single of 2.78, set at Carolina Clock 'Stravaganza 2025, puts her in the top 0.51% of the 32,048 people who have ever been ranked in the event, and 51st in the United States. Until March 2023, no official Clock solve in the world had been that fast. Across 29 competitions since February 2022, she has put 1,123 official solves on the record across 13 events. Solve to solve, her 3×3 times vary about 13% around a typical one; 53% of the 35,811 competitors with ten or more counted rounds hold a tighter spread. Her 3×3 best has come down from 18.14 in February 2022 to 8.19, a 55% improvement. NJ has entered 29 competitions, more competitions than 98% of everyone who has ever competed.

Clock
best event — top 0.51% of 32,048 all-time
2.78
signature single · Carolina Clock 'Stravaganza 2025
1,123
official solves on the record
13%
solve-to-solve spread · wider than 53% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingUnited States
Clock2.783.21
top 0.51%51 / 8,927
Pyraminx2.664.55
top 2.6%695 / 28,708
Megaminx45.0350.12
top 3.1%224 / 7,841
3×38.199.40
top 3.1%1,778 / 59,724
2×22.023.01
top 4.9%1,961 / 40,951
4×433.6738.39
top 5.5%844 / 19,072
3×3 one-handed13.8517.99
top 5.8%817 / 15,683
5×51:09.451:15.53
top 11.2%868 / 9,401
Skewb5.357.74
top 20.9%3,333 / 18,907
6×62:24.312:33.60
top 22.8%807 / 4,196
3×3 Fewest Moves35 moves49.67
top 30.0%652 / 2,040
Square-123.8344.46
top 36.5%2,372 / 6,743
7×74:30.604:33.91
top 41.2%1,174 / 3,184

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

Cape Fear 2022: 18.14Edneyville Spring 2022: 15.16Jasper Highlands 2022: 13.20Bluegrass Spring 2022: 13.25CubingUSA Southeast Championship 2022: 12.73Rocky Top 2022: 11.45AlphaCubing B 2023: 10.57Westminster Squanners Spring 2023: 9.80Concord Summer 2023: 9.77CubingUSA Nationals 2023: 9.86Music City Speedsolving Fall 2023: 8.50Staunton Speedsolving 2023: 9.91North Carolina Championship 2023: 9.52Clayton State Cubing 2024: 8.62Upstate Palmetto Puzzles 2024: 10.12See Georgia: Lake Russell B 2024: 9.15CubingUSA Southeast Championship 2024: 8.67Rubik's WCA North American Championship 2024: 10.40CubingUSA New England Championship 2024: 8.98Appalachian Highlands TN 2024: 8.19Charlotte Winter 2025: 8.57Queen City NC 2025: 8.81Rubik's WCA World Championship 2025: 9.70Concord Summer 2025: 9.23Rubik's WCA North American Championship 2026: 9.488.1918.1412 Feb 20222 Jul 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 her.

Next targets

  • A sub-2 Clock single — 17 people have one; it is 0.78 away.
  • A sub-2 Pyraminx single — 1,476 people have one; it is 0.66 away.

Targets move as she improves.