Zac Efron was in Boston to cheer on his brother in the Marathon

The actor was cheering at the finish line on Boylston Street.

If you thought you saw Zac Efron on Boylston Street on Monday, well, you probably did.

Efron posted on Twitter late Monday congratulating Dylan Efron and showing him cross the Boston Marathon’s finish line.

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Dylan Efron checked in with a very respectable time of 2:57:50 in what he said was his first Boston Marathon.

He posted on Instagram about his experience.

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