At the age of 9, Sebastian Brillon of DuBois excels in a competitive sport that many may be unfamiliar with — speedcubing.

One second makes all the difference in the world to Tristan Heartt of Napa. Heartt, 14, is a competitive “speedcuber.” ...

Google Xuan, 7, left, finished the last few moves on a 3x3 as his brother Enzo Xuan, 12, reacted proudly during a practice speedcubing session. Parents watched a practice speedcubing session on June ...

Ann Arbor — A University of Michigan student is one of the world’s foremost “speedcubers,” a person capable of quickly solving a Rubik’s Cube. He also is an accomplished violinist. Stanley Chapel says ...

NEW YORK—For die-hard fans of the Rubik’s Cube, it isn’t about whether you can crack the iconic puzzle. It’s about how fast. In a bustling hotel ballroom in Queens, some 90 competitors are practicing ...