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People · Sweden

Jack Larsson Backsell

5×5 · top 0.032% of 40,792 all-time · competing since October 2021 · 2021BACK01

Jack Larsson Backsell has been competing for 5 years. His best event is the 5×5: a personal-best single of 35.91, set at Örebro Minxfest 2025, puts him in the top 0.032% of the 40,792 people who have ever been ranked in the event, and 1st in Sweden. Until January 2020, no official 5×5 solve in the world had been that fast. Across 40 competitions since October 2021, he has put 3,934 official solves on the record across 13 events. Solve to solve, his 3×3 times vary about 13% around a typical one; 54% of the 35,811 competitors with ten or more counted rounds hold a tighter spread. His 3×3 best has come down from 9.96 in October 2021 to 5.62, a 44% improvement. Jack has entered 40 competitions, more competitions than 99% of everyone who has ever competed.

5×5
best event — top 0.032% of 40,792 all-time
35.91
signature single · Örebro Minxfest 2025
3,934
official solves on the record
13%
solve-to-solve spread · wider than 54% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingSweden
5×535.9144.78
top 0.032%1 / 562
3×3 one-handed6.9011.44
top 0.06%1 / 868
3×35.627.36
top 0.3%17 / 2,925
4×423.2027.39
top 0.36%6 / 1,120
6×61:18.191:26.16
top 0.47%1 / 249
2×21.192.08
top 1.0%54 / 2,325
7×72:07.692:12.66
top 1.1%2 / 206
Pyraminx2.453.17
top 2.1%67 / 1,730
Megaminx44.1152.71
top 2.8%23 / 564
Skewb2.524.65
top 3.0%51 / 1,173
Square-19.5614.33
top 5.4%26 / 427
Clock6.037.06
top 7.3%50 / 546
3×3 Fewest Moves42 moves—
early days — 1 solve102 / 168

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

Norrkubing 2021: 9.96Swedish Championship 2021: 9.32Kubkvarna 2022: 6.84Popular 'n Blind Flen 2022: 8.55Fyris Cubing 2022: 7.67Herrljunga Open 2022: 7.59Twixmas Jönköping 2022: 8.17Kubsala Winter 2023: 7.59SveKub Super League III: Stockholm 2023: 7.53Swedish Championship 2023: 6.44SveKub Super League VI: Ljusdal 2023: 7.34Falukorv Open 2023: 7.09Björneborg Winter 2023: 7.93SveKub Super League Final: Uppsala 2023: 7.02Curtan Cubing Contest 2024: 7.54Kanonkuben 2024: 6.18Borlänge Open 2024: 6.33Swedish Championship 2024: 6.3624 Hours in Åker 2024: 6.90Rubik's WCA European Championship 2024: 6.44Svealandsmästerskapet 2024: 6.87Uppsala Open 2024: 7.02Porfyrkuben 2024: 6.30Norrlandsmästerskapet 2024: 7.15Stekt Falukorv Open 2024: 6.25Twixmas Flen 2024: 7.27Cubing at the Coast Långsand 2025: 7.01Norrland Tour: Umekuben 2025: 6.46Norrland Tour: Kubfors 2025: 6.35Swedish Championship 2025: 6.56Oslo Open 2025: 6.37Rubik's WCA World Championship 2025: 5.66Svealandsmästerskapet 2025: 6.33Norrlandsmästerskapet 2025: 6.30Dvärsätt Open 2026: 6.79Porfyrkuben 2026: 6.55Nordic & Swedish Championship 2026: 6.70Oslo Open 2026: 5.62Rubik's WCA European Championship 2026: 6.595.629.962 Oct 202116 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 his.

Next targets

  • A sub-30 5×5 single — 1 people have one; it is 5.91 away.
  • A sub-6 3×3 one-handed single — 4 people have one; it is 0.90 away.

Targets move as he improves.