Sports Illustrated did a great piece on Dick Hoyt and his commitment to his handicapped son. There is also a link to short video on them on YouTube...
"[From Sports Illustrated, By Rick Reilly]
I try to be a good father. Give my kids mulligans. Work nights to pay For their text messaging. Take them to swimsuit shoots.
But compared with Dick Hoyt, I suck.
Eighty-five times he's pushed his disabled son, Rick, 26.2 miles in Marathons. Eight times he's not only pushed him 26.2 miles in a Wheelchair but also towed him 2.4 miles in a dinghy while swimming and Pedaled him 112 miles in a seat on the handlebars--all in the same day...."