There is a lot of science involved in training distance runners. Understanding human anatomy and physiology is at the core of training distance runners. In addition, understanding basic physics can help to make a runners gait more efficient.
The clip below is from the 2011 National Distance Running Summit. In the video well renowned distance coach Bill Leach discusses running efficiency and how to use video and mobile apps to help improve the efficiency of your runners.
For more information about the DVD that this lecture came from click the link 2011 National Distance Running Summit
The YouTube video has sound,so please make sure that your sound is turned on and that you have access to the site. (some schools block access to YouTube)