I'm not sure why... but a while back I attempted to walk 100,000 steps in a single day. That's more than the length of a marathon and I mostly did it indoors... here is the story of what this challenge did to my body. EDITED BY LIXIAN ► null Live Action Playlist ►    • Live Action   Follow my Instagram ► http://instagram.com/markiplier Follow me on Twitter ► https://twitter.com/markiplier Like me on Facebook ► https://www.facebook.com/markiplier Join us on Reddit! ► https://www.reddit.com/r/Markiplier/