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.

Fifth-grader Luke Mueller high fives Utah's number one sport stacker, Ethan Sumsion, after they raced during a sport stacking event at South Weber Elementary school on Thursday, November 13, 2014.

The first thing I noticed when I entered the St. Michael Center in Baltic, Conn., several Saturdays ago was the sound. It was sport stacking time, and the gym was filled with the click-clack-pop of ...

FISHERS, Ind. (WTHR) – A 13-year-old Fishers boy is the best in Indiana in his sport for any age, male or female, according to the World Sport Stacking Association. Austin Naber is also ranked 9th in ...