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.

WISCONSIN RAPIDS, Wis. (WSAW) - Speedy cup stacking students met at East Junior High on Saturday for the first-ever Sport Stacking Tournament. Third through 5th graders competed to see who can stack ...

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 ...