The "Wisconsin Winter Stack Up" hosted some of the country's fastest cup stackers. Sport stacking is a competition in which competitors stack specially designed cups up and down in set patterns. Speed ...

Sports Stacks is a fast-paced version of cup stacking that focuses on speed, teamwork, and hand-eye coordination.

Students at Union Endicott High School are getting hands on with a fast paced new activity in their physical education classes.

Speed stacking was started in 1999, with the competition side starting in 2006, but 8-year-old Neev has taken the sport to an entirely different level. He’s only been speed-stacking for about a year. ...

Yung-Deng Lin can stack a group of cups in about 1.6 seconds, an impressive time for a 7-year-old. To give an idea of how fast the child can stack cups, the World Sport Stacking Association overall ...

Editor's note: This segment was rebroadcast on Sept. 30, 2025. Click here for that audio. In the early 2000s, thousands of U.S. schools had their students race the clock to stack cups in gym class.