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People · Ireland

Colm McCarthy

5×5 · top 1.1% of 41,402 all-time · competing since July 2018 · 2018MCCA02

Colm McCarthy has been competing for 8 years. His best event is the 5×5: a personal-best single of 47.06, set at Rubik's Irish Championship 2026, puts him in the top 1.1% of the 41,402 people who have ever been ranked in the event, and 5th in Ireland. Until November 2015, no official 5×5 solve in the world had been that fast. Across 46 competitions since July 2018, he has put 2,244 official solves on the record across 17 events. Solve to solve, his 3×3 times vary about 11% around a typical one, steadier than 88% of the 36,406 competitors with ten or more counted rounds. His 3×3 best has come down from 57.01 in July 2018 to 7.65, an 87% improvement. Colm has entered 46 competitions, more competitions than 99% of everyone who has ever competed.

5×5
best event — top 1.1% of 41,402 all-time
47.06
signature single · Rubik's Irish Championship 2026
2,244
official solves on the record
11%
solve-to-solve spread · steadier than 88% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingIreland
5×547.0657.28
top 1.1%5 / 300
3×3 blindfolded22.1227.75
top 2.0%1 / 59
3×37.659.53
top 2.2%44 / 1,465
4×429.1832.91
top 2.4%15 / 586
Pyraminx2.775.43
top 2.9%44 / 924
3×3 Fewest Moves24 moves35.00
top 4.1%3 / 88
2×21.933.11
top 4.3%80 / 1,190
6×61:45.201:48.35
top 5.7%8 / 144
7×72:41.522:47.94
top 5.9%5 / 108
4×4 blindfolded2:38.753:08.59
top 6.2%1 / 16
3×3 Multi-Blind19 of 22 cubes · 1:00:00—
top 7.7%5 / 24
Square-112.1819.85
top 10.3%29 / 198
Megaminx1:04.101:14.02
top 12.2%44 / 288
Skewb4.197.01
top 12.3%91 / 632
Clock8.149.66
top 15.8%60 / 342
3×3 one-handed20.2924.59
top 21.3%77 / 454
5×5 blindfolded9:52.55—
top 21.4%3 / 7

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

Irish Championship 2018: 57.01Seaside Solving Sunday 2022: 14.68Don't DNF Dublin 2022: 13.11Don't Lockup Loch Garman 2023: 11.67It's a Long Way to Tipperary 2023: 11.16Irish Championship 2023: 13.21Cubing in Cill Chainnigh 2023: 12.12Mayo Cubing 2023: 10.85Tuam Winter 2023: 9.33Corduff Cubing Saturday 2024: 11.88Rubik's Irish Championship 2024: 10.44Midlands Mix-up 2024: 11.16Mayo Cubing 2024: 11.13Rubik's UK Championship 2024: 11.04Don't Fail Kinsale 2024: 8.11Dublin Winter Solving 2025: 9.35Cork Spring 2025: 9.77UCD Cube Days 2025: 8.43It's a Long Way to Tipperary 2025: 10.09Castletown Showdown 2025: 9.95PBs in Phibblestown 2025: 9.49Rubik's Irish Championship 2025: 10.57Re-Laois the Cubers 2025: 8.87Solving by the Barrow 2025: 9.11Dublin Pick 'N' Mix 2026: 10.82Cork Spring 2026: 9.36Gort-a Go Fast 2026: 9.04UCD Cube Days 2026: 7.69Rubik's WCA North American Championship 2026: 10.99Rubik's Irish Championship 2026: 9.47Mayo Cubing 2026: 7.65Dublin Autumn Solving 2026: 8.307.6557.0114 Jul 201826 Sep 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-40 5×5 single — 73 people have one; it is 7.06 away.
  • A sub-20 3×3 blindfolded single — 176 people have one; it is 2.12 away.

Targets move as he improves.