When did NOVA Season 35 Episode 3 air?
NOVA Season 35 Episode 3 aired on October 30, 2007 at 9 PM ET.


PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and technology, and highlights the people involved in scientific pursuits.

Can anyone run a marathon? How do you run 26.2 miles if you have trouble making it around the block? With good coaching, discipline, and lots of group support, as NOVA shows when it follows 13 generally sedentary people through a training regimen designed to prepare them for an ultimate test of stamina and endurance. Produced in cooperation with the Boston Athletic Association®, which granted NOVA unprecedented access to the 111th Boston Marathon®, and Tufts University, "Marathon Challenge" takes viewers on a unique adventure inside the human body, tracking the physiological changes that exercise can bring about.
Direct answers for episode-level questions and details.
NOVA Season 35 Episode 3 aired on October 30, 2007 at 9 PM ET.
This episode runs for approximately 55 minutes.
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