1.Cristiano Ronaldo races against professinal sprinter Angel David Rodríguez

2.Extreme Sport: Anatomy in motion explained through the eyes of a cliff diver

http://www.redbullcliffdiving.com/en_INT/video/through-eyes-cliff-diver
(external link)

Whether building a new dive or getting used to a new sport or form of exercise, the principles are the same. Break down each element of the process, and refine it through practise. How to build a new dive.

http://www.redbullcliffdiving.com/en_INT/video/how-build-new-dive
(external link)