Nine-Year-Old Builds a Rubik’s Cube in Less Than 3 Seconds

Chinese schoolboy Geng Xuanyi regained the championship in the high-speed assembly of the classic Rubik's Cube 3x3x3. At the Guangzhou Grand Open 2026, which was held in Guangzhou on October 4 and 5, he solved the puzzle in 2.51 seconds. The data is given by the summary table of world records for speedcubing. The official achievements are ratified by the World Cube Association, which holds tournaments to assemble puzzles for time.

The previous record was 2.76 seconds. It was put by Theodor Seider of Poland at the GLS Big Cubes Gdańsk 2026 tournament on February 8. Then the Pole for the first time in the official history of the discipline collected a cube faster than three seconds. The new result is better by 0.25 seconds. For a discipline where records have improved by a hundredth of a share over the years, that's a big gap.

For Geng Xuanyi, this is the second record in this discipline. In the spring of 2025, when he was seven, he collected a cube in 3.05 seconds at the Shenyang Spring 2025 tournament. Then he improved the previous achievement by only 0.03 seconds. A few months later, Seider took the record, and now the Chinese speedcouber has regained first place. According to Uzbek newspaper Zamin, he is now nine years old.

The record is considered one of the best attempts. Before the start, the participant gets a few seconds to examine the mixed cube and think through the first moves, and then solve the puzzle for a while. In addition to the single attempt, there is a record for average in speedcubing. Of the five assemblies, the best and worst are discarded, and the remaining three are averaged. This achievement also belongs to an athlete from China. Ihan Wang averaged 3.51 seconds at Hefei Cubing League 3x3 III on June 17, 2026.

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