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.

I visited Summerfest three times so far this year, and each time, I noticed that fewer people were drinking from a stack of beer cups. In fact, on Monday night, at the raging Matisyahu concert, I didn ...

SAN ANTONIO — Sport stacking has been around since the 1980’s. The goal is to stack plastic cups into a formation as fast as you can. Some fans play at home for fun. Others race the clock at sport ...

If you know what Cup Stacking is, you're probably a parent or a kid who graduated recently. Speed stacks have been around for more than 18 years, but it's blowing up in a big way. Not only has sport ...

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 ...

Cup stacking sounds like something you’d do at the kitchen sink, not in, say, a school gym. But, on certain days, Karen Shute’s physical education class at M.E. Pearson Elementary School in Kansas ...