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 ...

On the first day of doubles practice, Team Josh wrestles with the unavoidable intrusion of extra hands and fingers in the shrinking and swelling plastic pyramids of sport stacking cups on the StackMat ...

Most sports are actually absurd. Golf involves hitting a tiny ball into a hole hundreds of yards away. Soccer is based on the idea of what if we didn't use our hands. Speed stacking — if you really ...

Austintown Intermediate School third grader Robert Marinelli practices cup stacking after school Thursday in anticipation of participating in a staking tournament Saturday at the school. Marinelli ...

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.

Some of the world's fastest cup stackers are right here in Philadelphia. What's cup stacking? It's a growing sport, as school officials found out this week. KYW's Mike DeNardo says don't blink. If you ...