Cubing career
Park began cubing at age ten and attended his first competition the same year in Los Angeles. At his second ever competition, he won the 6×6×6 event. He continued competing and improving, winning his first gold medal in the 3×3×3 event at Nub Open 2016. On February 25, 2017, he broke the North American record average for the 3×3×3 event, with an average of 6.92 seconds. Two months later on April 23, 2017, Park would break the World Record Average for the 3×3×3 event, with an average of 6.39 seconds.
At the World Championship 2017 in Paris, Park won 3×3×3 and 3×3×3 one-handed and placed 3rd in 5×5×5 and 6×6×6.
At the World Championship 2019 in Melbourne, Park won the 4×4×4, 5×5×5, 6×6×6, 7×7×7, and 3×3×3 one-handed events. He finished 4th in the 3×3×3 final after winning the first three rounds.
At the World Championship 2023 in Incheon, Park won the 3x3x3 (by 0.01 seconds), 5×5×5, and 7×7×7 events. He also placed 3rd in 4x4x4.
At the World Championship 2025 in Seattle, Park won the 6×6×6 and 7×7×7 events. He also placed 2nd in the 5×5×5 and 3×3×3 one-handed events. He got 8th place in the 3x3 event.
Park is a 3-time US National Champion in 3×3×3, 5-time champion in 4×4×4, 4-time champion in 5×5×5, 3-time champion in 6×6×6, 3-time champion in 7×7×7, and 4-time champion in 3×3×3 one-handed.
Records held
3×3×3
Park held the world record for the average of five 3×3×3 solves on four occasions and set the former world record for a single 3×3×3 solve with a time of 3.13 seconds at Pride in Long Beach 2023. His average record was surpassed on March 12, 2023, when 9-year-old Yiheng Wang achieved a 4.69-second average at the Yong Jun KL Speedcubing 2023 event in Kuala Lumpur, Malaysia. Wang also surpassed Park's single world record with a time of 3.08 seconds at XMUM Cube Open 2025 in Sepang, Selangor, Malaysia.
4×4×4
Park holds the North American record for average of five 4×4×4 solves: 18.74 seconds, set at Mission Viejo 2025, and the former world record for a single solve with a time of 15.71, achieved at Colorado Mountain Tour, which was beaten by Tymon Kolasiński at the 2025 Spanish championships with a time of 15.18 seconds.
5×5×5
Prior to his first 5×5×5 record, the records for single and average of five 5×5×5 solves had been held by Feliks Zemdegs of Australia, who had improved the two records a combined 32 times. Park is the only person other than Zemdegs or Tymon Kolasiński to have set either 5×5×5 record since August 11, 2012.
6×6×6
Park holds the single 6×6×6 world record, at 57.69 seconds, achieved at Burbank Big Cubes 2025. He formerly held the world record mean of three 6×6×6 solves: 1:05.04, achieved at Nub Open Trabuco Hills Fall 2025. At Southeast Championship 2022, he became the first person to break the 1-minute barrier on 6×6×6 with a solve of 59.74, a feat that 2-time world champion Feliks Zemdegs had previously stated was impossible.
7×7×7
Park holds both former world record single world record mean of three 7×7×7 solves: 1:30.59 and 1:36.86 respectively. They were set at Rubik's WCA North American Championship 2026 and Nub Open Trabuco Hills Fall 2025.
3×3×3 one-handed
Park previously held the world record for 3×3×3 one-handed average of five several times, but it is now held by Zhen Chen (陈震) from the China with a time of 6.99 seconds. Park was the first person to achieve a sub-10 second one-handed average in competition, with an average of 9.99 seconds on January 13, 2018 at Thanks Four The Invite 2018.
