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People · Sweden

Jack Belloni Sahlin

Clock · top 0.61% of 32,048 all-time · competing since October 2022 · 2022SAHL02

Jack Belloni Sahlin has been competing for 4 years. His best event is the Clock: a personal-best single of 2.88, set at Malmö Cubing Open 2026, puts him in the top 0.61% of the 32,048 people who have ever been ranked in the event, and 5th in Sweden. Until May 2021, no official Clock solve in the world had been that fast. Across 89 competitions since October 2022, he has put 3,014 official solves on the record across 16 events. Solve to solve, his 3×3 times vary about 13% around a typical one, steadier than 57% of the 35,811 competitors with ten or more counted rounds. His 3×3 best has come down from 24.77 in October 2022 to 7.95, a 68% improvement. Jack has entered 89 competitions, more competitions than 99% of everyone who has ever competed.

Clock
best event — top 0.61% of 32,048 all-time
2.88
signature single · Malmö Cubing Open 2026
3,014
official solves on the record
13%
solve-to-solve spread · steadier than 57% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingSweden
Clock2.883.96
top 0.61%5 / 546
2×21.493.31
top 2.1%87 / 2,325
3×37.9510.51
top 2.7%100 / 2,925
Pyraminx3.046.34
top 3.8%102 / 1,730
Skewb3.646.07
top 8.6%136 / 1,173
4×438.2944.40
top 10.1%106 / 1,120
3×3 blindfolded50.931:10.48
top 10.2%17 / 159
3×3 Multi-Blind10 of 10 cubes · 52:40—
top 16.8%16 / 89
3×3 one-handed19.9625.44
top 20.4%181 / 868
Megaminx1:30.411:38.99
top 28.5%143 / 564
4×4 blindfolded6:04.2719:52.00
top 29.7%12 / 52
5×51:44.951:59.86
top 39.1%187 / 562
Square-125.5334.63
top 40.2%167 / 427
3×3 Fewest Moves42 moves46.33
top 55.5%102 / 168
6×64:18.115:35.90
top 71.2%158 / 249
7×78:05.07—
top 88.9%168 / 206

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

Swedish Championship 2022: 24.77Kubsala Winter 2023: 23.49Stockholmsligan 3: The Hammers - 2023: 23.59Clockholm Open 2023: 19.37SveKub Super League III: Stockholm 2023: 22.07Cuboss Open 2023: 19.83Squockholm Open 2023: 18.48Tumba Open 2023: 20.78Stockholmsligan Final 2023: 18.60Back to School Stockholm 2023: 19.23Stockholmsligan 1: Floorball - 2023: 16.93Stockholmsligan 3: Discgolf - 2023: 16.43Stockholmsligan 4: Ice Hockey - 2023: 15.98Ekerö Open 2023: 13.23Stockholmsligan 6: Curling - 2023: 13.07SveKub Super League Final: Uppsala 2023: 15.60Stockholmsligan Final: Spökboll - 2023: 16.10Stockholmsligan 292: En Mogen Mandarin - 2024: 16.32Strängnäs Open 2024: 14.43All Events in Stockholm 2024: 14.56Stockholmsligan 358: Snabba Pengar - 2024: 12.55Stockholmsligan 380: Det Hänger på Håret - 2024: 16.71Kanonkuben 2024: 13.84Stockholmsligan 255: Den Gåtfulla Masken - 2024: 15.99Cuboss Open 2024: 13.23Stockholmsligan 388: Piratens Hämnd - 2024: 12.93Squockholm Open 2024: 12.20Stockholmsligan 432: Fel Färg i Ankeborg - 2024: 13.48Swedish Championship 2024: 13.49Stockholmsligan 396: Pengabingen i Fara - 2024: 14.30Stockholmsligan 413: Kalle i Kubik - 2024: 14.5724 Hours in Åker 2024: 15.22Stockholmsligan 414: Kampen Börjar - 2024: 14.28Stockholmsligan 295: En Andra Chans - 2024: 13.10Stockholmsligan 279: Ett Hälsosamt Val - 2024: 13.31Uppsala Open 2024: 11.70Stockholmsligan 393: Ankornas Kamp - 2024: 11.84Solvermalm 2024: 13.40Stockholmsligan 435: Mäktig Jul - 2024: 14.70Twixmas Flen 2024: 11.91Stockholmsligan Moja - Simba 2025: 10.89Stockholmsligan Mbili - Chui 2025: 10.87Stockholmsligan Tatu - Nyati 2025: 10.90Squockholm Open 2025: 9.40Stockholmsligan Tano - Tembo 2025: 11.73Uppsalaligan 4: Clock - 2025: 12.76STHLM Spin 2025: 11.70Stockholmsligan Saba - Nyani 2025: 12.21Sörmland Open 2025: 12.26Uppsalaligan 5: Ancient - 2025: 12.76Swedish Championship 2025: 9.53Kublördag Uppsala I - 2025: 11.71Svealandsmästerskapet 2025: 12.18Stockholmsligan Moja - Ng'ombe 2025: 12.56Uppsalaligan 2: Luminous - 2025: 10.74Kublördag Uppsala II - 2025: 9.74Uppsalaligan 3: Boost - 2025: 12.96Cuboss Open 2025: 11.03Stockholmsligan Tatu - Mamba 2025: 11.98Uppsalaligan 4: Fisher - 2025: 8.42Stockholmsligan Nne - Samaki 2025: 11.77Kublördag Uppsala III - 2025: 12.49Uppsalaligan 5: X2 - 2025: 11.23Stockholmsligan Sita - Nyoka 2025: 10.85Uppsalaligan 1: Bean - 2026: 11.33Stockholmsligan 1: Skids - 2026: 10.24Stockholmsligan 2: Djungelvrål - 2026: 11.55ÅkersKuba 2026: 10.14Stockholmsligan 3: Surskallar - 2026: 12.58Malmö Cubing Open 2026: 7.95Riverlake 2026: 10.68Uppsalaligan 3: Gear - 2026: 10.24Solvermalm 2026: 10.64Uppsalaligan 4: Galaxy - 2026: 11.45Kublördag Uppsala V - 2026: 10.06Stockholmsligan 5: Zoo - 2026: 10.60Stockholmsligan 6: Blandat - 2026: 11.99Nordic & Swedish Championship 2026: 10.03Uppsalaligan 5: Pouch - 2026: 9.63Take Your Time Bergshamra 2026: 9.90Uppsalaligan 6: Bead - 2026: 11.14Kublördag Uppsala VI - Summer Special 2026: 9.56Stockholmsligan Final: Pop - 2026: 10.69Clockholm City Open 2026: 9.95Svealandsmästerskapet 2026: 9.79Ösmo Summer Cubing 2026: 9.68Uppsalaligan 1: Football - 2026: 10.41Stockholmsligan 2: Kex - 2026: 8.847.9524.7728 Oct 202227 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-2 Clock single — 17 people have one; it is 0.88 away.
  • A sub-1 2×2 single — 1,032 people have one; it is 0.49 away.

Targets move as he improves.