CHICAGO (CBS) — While most of us are bundling up, hundreds of people were running mid-afternoon in Wrigleyville in their undies.

Gavin Young is moving back to home to Philadelphia on Monday. And says the run up Clark Street up a block, around Wrigley Field and back will be his lasting and last memory of his three years in Chicago.

“It is definitely one of the coldest memories,” said Young. “It is one of those things where you feel like it’s kinda dumb when you get ready to do it but once you get going you realize everyone is having a good time and it is for a good cause so I am really happy about it,” said Young.

In all, 600 people ran in varying stages of undress: some buff, some not and most shrieking to take their mind off of the cold and reminding each other it was 10 degrees below zero a few days ago.
The run benefited the Children’s Tumor Foundation and it raised $150,000.

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