The competition is on ahead of the Rochester Marathon

Rochester Marathon.

Rochester, N.Y. - Thousands of people will be taking part in this weekend's Rochester Marathon.

Ashley Doerzbacher received a behind the scenes look Tuesday morning at what it takes to get ready for the big weekend.

She also learned more about Rochester's last chance to beat Napa Valley for the Tour de Cure, which raises money for the American Diabetes Association.

The Rochester Marathon weekend is September 15-17.

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