The Science of How Nike Nearly Cracked the Two-Hour Marathon | WIRED

Runners have been trying to break through the 2 hour marathon mark for decades. Here's the incredible science behind how Eliud Kipchoge came within 25 seconds in Nike's Breaking2 project. Still haven't subscribed to WIRED on YouTube? ►► http://wrd.cm/15fP7B7 ABOUT WIRED WIRED is where tomorrow is realized.
Meet the Nike Zoom Vaporfly 4%. It's the shoe Nike claims can make any runner 4% more efficient. The company is trying to prove this by attempting to break the last barrier in running: a sub-two-hour marathon. Still haven't subscribed to WIRED on YouTube?
Gary White