Color Run at Canalside

August 17, 2013 Updated Aug 17, 2013 at 10:36 PM EDT

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August 17, 2013 Updated Aug 17, 2013 at 10:36 PM EDT

BUFFALO (WKBW) It is known as the "Happiest 5K on the Planet," and on Saturday thousands of Western New Yorkers found out why.

Click on the video to watch Channel 7's Jason Gruenauer dive into the bright, colorful story.