To enter, visit FitSugar's Facebook page  by 1 p.m. PDT Friday, Sept. 7, like us if you haven't already, and leave your name and email address in the field provided. Want more details? Find the contest rules here .
We will announce the winners soon so they can amp up their training. Speaking of training, check out our five videos to help you master any marathon:
- Learn the Power of the Negative Split For Your Next Marathon!
- How to Conquer the Hills in Your Next Race 
- Tips For Running Downhill 
- Master Windy Conditions on Race Day 
- How to Prevent Leg Cramps When Running 
Hope to see you on the streets of San Francisco.