CNN CNN Newsroom June 30, 2013 18:02:00
>> reporter: it's called death valley for a reason. the sun beats down on a barren landscape. tourists from around the world come to see it. and to feel it. >> very hot. thirsty. >> reporter: with an extreme heat wave bringing soaring temp, the draw is ir citiesstibst irr some. these two are hitting the pavement literally. >> reporter: why do this? >> it's -- >> to say it was 125, then 130 and run two or three miles then finished. >> reporter: local mike lloyd is used to the heat, when his shoes start melting, time to pay attention. tell me about these shoes. >> my nasty shoes? ground temperat...