Transcript for Steve Gleason Former NFL Star Battles ALS
A better way to treat pain. Finally tonight so many of you have written us about this champion and his friends who show us what it takes to carry one another across a finish line. "Good morning america" josh elliott on an athlete, husband and dad who is america strong. Reporter: Steve gleason, once a player for the new orleans saints is a beloved figure in the city that has defined resilient. It was just one year after hurricane katrina devastated new orleans when this singular play by gleason, that's him number 37 rushing from the middle, made him a cult hero. In 2011 gleason was diagnosed with als, today ravaged by the disease he has lost most of his physical abilities and communicates through a computer. I chose to search for new avenues of joy. Reporter: Gleason has never been one to take the easy road. Here he is sky diving, marking the one year anniversary of his diagnosis. Then he had a proposition for his good friend and former new orleans saints teammate. I said machu picchu as in peru? He said, yes, I want to go to the top. He made the trip, where some say the soul meets the sky. They would carry him for much of it on a specially designed sled over 11 gluling hours straight up. It was much more gnarly than we p anticipated. I was definitely scared but i chose to embrace it. Reporter: His son was up there, too, his baby boy rivers, born soon after his diagnosis. Gleason is doing all of this for him, too, creating a video diary. These memories so that one day his son can know his father. ♪ Reporter: A symbol of america strong.
This transcript has been automatically generated and may not be 100% accurate.