Belmont Spring 2025

Zerui Cheng delivered a commanding performance on home turf at Belmont Spring 2025, capturing the 3x3x3 Cube title with a decisive 6.80 winning average in the final. Across three packed rounds of the flagship event at Ralston Middle School in Belmont, California, USA, the American standout consistently outperformed a field of 139 competitors. Cheng punctuated his weekend with a sharp 6.44 best single, anchoring the premier division on May 24, 2025, and setting the competitive standard for an intense day of Rubik's Cube racing.

The 2025 WCA competition brought together 143 competitors across 13 rounds of play in six distinct disciplines. While international contenders claimed top spots in select puzzles, United States competitors captured 14 of the 18 total podium places. In the traditional 3x3 results, Trevor Mendelson took second place with a 7.91 average, followed closely by Amahl Weinstein Agrawal in third at 8.31. Together, the American trio swept the main event podium before a lively local audience in Northern California speed cubing.

The 2x2x2 Cube final provided the day's closest duel, decided by a mere one-hundredth of a second. India's Ian Cantius Fredric earned victory with a blistering 1.82 average and a 1.19 best single, edging China's Matt Mao, who claimed second place with a 1.83 average. Adih Datta of the United States secured third on the podium with a 2.04 mark. Across the 105-competitor bracket, Fredric set standard marks of a 1.09 single and 1.51 average, while Mao posted a 1.69 single and 1.88 average.

Side events highlighted the depth of technical skill throughout the cubing competition. In Pyraminx, Hrishikesh Kakati of India topped a 79-person field with a swift 2.05 average and a 1.08 best single, leading Trevor Mendelson, who clocked 3.03 for second, and Sebastian Stone in third at 3.38. Trevor Mendelson also stepped onto the Skewb podium with a 5.19 average for second place, right behind American winner Sid Shivnath, who took the crown with a 2.74 average and a 2.10 single. Alessandro Diomampo placed third in Skewb at 5.45.

The Clock division brought international success as Switzerland's Alex Moscibroda averaged 3.27 with a best single of 2.71 to secure first place ahead of 63 other entrants. Diomampo earned another medal with a 4.31 second-place average, barely ahead of Ethan Mendelson's 4.32 in third. In 3x3x3 Blindfolded, where memorisation and execution without sight define every turn, Nolan Yiu led the 18-competitor roster with a 23.12 best single. Naomi Solnick finished second with a 52.54 single, while Jacob Marinas took third with a 44.06 solve.

Away from the podium ceremonies, Belmont Spring 2025 showcased dramatic personal milestones across every stage. Tzu-yu Sun took on five events, registering a first ever Clock attempt of 12.33 and lowering a Skewb personal best to 6.24, an improvement of 81 percent over a previous 32.91 mark. Yifei Zhao also completed five disciplines, logging debut official marks in Clock at 15.56, Pyraminx at 6.80, and 2x2x2 Cube at 4.44. Vihaan Mehta added a first Clock attempt of 18.56 and a first Skewb result of 18.50, alongside a 9.71 Pyraminx personal best that was 33.7 percent faster than before.

Other competitors unlocked significant speedcubing breakthroughs during the preliminary heats. Thomas L. Rogers posted a first Skewb result of 17.20 and chopped 59.2 percent off his 2x2x2 Cube best with a 6.39 solve. Michael Jiazhuo Xu entered four events, posting a debut 8.35 in Pyraminx, a 6.94 Skewb personal best that trimmed 48.6 percent, and a 10.95 3x3x3 personal best. Nico Hilal cut his 2x2x2 mark by 69 percent down to 4.43, Alistair Ong achieved a 30.08 3x3x3 personal best that was 44.8 percent faster, and Edwin Jin recorded a 24.47 Pyraminx debut alongside an 11.59 3x3x3 best.

With 13 complete rounds spanning varied shapes and solving disciplines, the single-day gathering in Belmont demonstrated the enduring strength of the regional community. Competitors from all experience levels shared tables, judged heats, and pushed personal benchmarks to conclude a memorable chapter on the 2025 calendar.