Colby Knight 2 minutes 20 seconds double unders, burn calories jumping rope

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Uploaded by on Feb 7, 2010

Colby Knight sets record at his gym for consecutive double unders. Colby recorded 221 double unders in 2 minutes and 20 seconds.

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  • Eric.. lookin good.

    -Ian Cox

  • I'm at 133 DU's THIS is damn impressive!! Nice job Colby

  • Pshh i can do that no problem and get my 200% in the class you wait, last week or two of school your goin down -Jack

  • nice job on the double unders colby!

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