Only A Game Published by Only A Game From Prison Treadmill To Boston Marathon: Former Inmate Runs On Listen 9 min Queue Download this audio Want to embed this player? Use the code below. More info. <iframe frameborder="0" scrolling="no" height="130" width="100%" src="https://www.wnyc.org/widgets/ondemand_player/wnyc/#file=/audio/json/743425/&share=1"></iframe> Share on Facebook Share on Twitter Email a Friend Keith Giroux discovered his love of running in prison, doing laps around the inside of an electrified, razor wire fence. Then, he conquered 26.2 miles on a prison treadmill. Now on the outside, he's after the Boston Marathon.