UCSD Blind and Big 2025
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Winners
All results- 5x5x5 CubeKate Grahame46.86
- 6x6x6 CubeKate Grahame1:33.01
- 7x7x7 CubeKate Grahame2:11.56
- 3x3x3 BlindfoldedGraham Siggins20.16
- 4x4x4 BlindfoldedGraham Siggins2:36.83
- 5x5x5 BlindfoldedGraham Siggins3:15.68
- 3x3x3 Multi-BlindGraham Siggins61/66 in 1:00:00
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Competition recap
A written summary of UCSD Blind and Big 2025, generated from the official results on this page.
Graham Siggins Sweeps Blindfolded Slate at UCSD Blind and Big 2025English
Four victories across four distinct blindfolded events defined a commanding day of speedcubing at the UC San Diego venue. The single-day WCA competition, UCSD Blind and Big 2025, brought together 31 competitors in San Diego, California, USA on May 10, 2025. With a schedule focused strictly on big hardware and memory-intensive formats, the competition presented seven demanding events with no margin for error across seven single-round shootouts.
Graham Siggins delivered an absolute masterclass in concentration, sweeping every memory discipline on the schedule. In 3x3x3 Blindfolded, Siggins paced the 23-competitor field with a winning average of 20.16 seconds and a best single solve of 18.82 seconds. The 3x3 results at the top were sharp, with Luke Meszar taking second place on a 24.00 average and Canada representative Jimbo Cai securing third with 25.36 seconds.
Siggins pushed his dominance further into the grueling multi-cube arena, capturing the 3x3x3 Multi-Blind event by solving 61 of 66 cubes within the 1:00:00 time limit. Jason Hammerman earned second place with 22 out of 25 solved in 58:59, while Mexico competitor Azael Toysehua claimed third place with 11 of 13 cubes in 58:17. The event demanded exceptional memory endurance, requiring competitors to memorize dozens of puzzle states before donning the blindfold.
The big-cube blindfolded events saw Siggins complete his clean sweep. In 4x4x4 Blindfolded, his winning single of 2:36.83 secured first place ahead of Brandon Lin (林博浩), who posted 3:41.71, and Luke Meszar, who took third in 4:08.35. Siggins then claimed the 5x5x5 Blindfolded title with a mark of 3:15.68, outpacing Cary Huang at 15:42.00 and Jason Hammerman at 17:51.00.
While Siggins commanded the blindfolded categories, Kate Grahame established equal control over the sighted big cubes at UCSD Blind and Big 2025. Grahame earned three gold medals, beginning with the 5x5x5 Cube where she produced a winning average of 46.86 seconds and a fast single of 43.48. Emily Nguyen took the silver medal with a 57.78 average, followed closely by Hana Nakano in third at 1:02.74.
Grahame extended her winning run into the largest Rubik's Cube variants of the day. In the 6x6x6 Cube, Grahame topped 23 competitors with a 1:33.01 average, while Emily Nguyen placed second in 1:45.06 and Hana Nakano finished third in 1:49.73. Grahame then took first place in the 7x7x7 Cube with an average of 2:11.56, again joined on the podium by Nakano in second with 2:40.19 and Nguyen in third with 2:45.96.
Away from the top steps of the podium, several competitors logged breakthrough milestones across the schedule. Ethan Woll took on six events and recorded a personal best 3:00.52 in 3x3x3 Blindfolded, improving his previous mark by 42.5 percent, in addition to making a first ever attempt at 5x5x5 Blindfolded in 25:21.00. Justin Wang improved his 5x5x5 Cube personal best by 22.3 percent to 1:28.22 and registered a 5 out of 5 personal best in Multi-Blind. Andrea Nguyen lowered her 3x3x3 Blindfolded personal best by 25.8 percent to 1:28.38 and solved a perfect 4 out of 4 in Multi-Blind in 32:48. Richard Hyrum Weber improved his 6x6x6 Cube time by 14.6 percent to 3:48.45 and logged a first ever attempt at 7x7x7 Cube in 6:10.69.
The personal milestones continued across the field as Derrick Hung dropped 14.7 percent off his 5x5x5 Cube personal best to hit 1:09.64. Alex Carney entered five events and recorded a first ever attempt at 4x4x4 Blindfolded in 19:47.00. Aayush Sahu took on six events, securing sixth place in 7x7x7 Cube with a personal best of 3:29.08 and achieving a 2:23.18 personal best in 6x6x6 Cube. Luis Enrique Cruz Acosta of Mexico tackled three events and dropped his 6x6x6 Cube personal best to 2:50.82 while logging a 4:33.72 personal best in 7x7x7 Cube.
The single-day speed cubing program wrapped up after delivering intense battles across memory and big-puzzle disciplines. Competitors from the United States collected 19 podium places, while Canada and Mexico each secured one. UCSD Blind and Big 2025 concluded as a benchmark display of blindfolded mastery and high-order puzzle execution, setting an exacting standard for the Southern California cubing competition circuit in 2025.