'Superhuman' Runs 50 Marathons in 50 Days

Part 5 of the 20/20 "SuperHumans!" special.
5:10 | 06/01/10

Coming up in the next {{countdown}} {{countdownlbl}}

Coming up next:

{{nextVideo.title}}

{{nextVideo.description}}

Skip to this video now

Now Playing:

{{currentVideo.title}}

Comments
Related Extras
Related Videos
Video Transcript
Transcript for 'Superhuman' Runs 50 Marathons in 50 Days

This transcript has been automatically generated and may not be 100% accurate.

{"id":10802092,"title":"'Superhuman' Runs 50 Marathons in 50 Days","duration":"5:10","description":"Part 5 of the 20/20 \"SuperHumans!\" special.","url":"/2020/video/superhuman-runs-50-marathons-50-days-10802092","section":"2020","mediaType":"us only 08"}