Have you seen this? Man runs marathon across frozen Utah Lake
Not only does Davy Crockett have an adventurous name, he does adventurous things like run an informal marathon across a frozen Utah Lake. Two years ago, he documented the experience with an audio recorder and camera and combined the two in the below slideshow, replete with maps of his route. Be sure to watch until the end, at which point Crockett happens upon an unexpected surprise.