One of the world's finest distance runners came so close to achieving the greatest feats of athleticism in history: a sub two-hour marathon. To do it, the Eliud Kipchoge should have maintained an average pace of at least 13.1 miles per hour. So, we timed how long WIRED staffers could run at that speed. Needless to say, we didn't last long. Here's why only a handful of people in the world could ever come close to a two-hour marathon. Still haven’t subscribed to WIRED on YouTube? ►► wrd.cm/15fP7B7 CONNECT WITH WIRED Web: wired.com Twitter: twitter.com/WIRED Facebook: facebook.com/WIRED Pinterest: pinterest.com/wired Google+: plus.google.com/+WIRED Instagram: instagram.com/WIRED Tumblr: WIRED.tumblr.com Want even more? Subscribe to The Scene: bit.ly/subthescene ABOUT WIRED WIRED is where tomorrow is realized. Through thought-provoking stories and videos, WIRED explores the future of business, innovation, and culture. Why It's Almost Impossible to Run a Two-Hour Marathon | WIRED