samantha briggs, 31, 5'5", 132 pounds. has been in the competition before. dealt with injuries.e took home first prize. just look at her. looks like she's carved out of marble. >> a heck out of a crowd. >> this thing grows every year, gets more popular as more people get into the whole crossfit thing. you can see amazing feats of strength from samantha. just as impressive as her, the guy who won this year, rich. check him out, 26, 5'9", 195 pounds. the third year in a row that rich has become the fittest man on earth or won the title of fittest man on earth. some of the stuff, this is what you have to do? you're like a dog in a dog sled here, pulling all of this weight. >> impressed by the cool gym equipment setup. a stadium full of neat obstacles and lots of it. >> at the end here, rich is the winner, announced the wish up on a podium like you see the olympics. look at people going crazy, it's like they're at the world series. >>> a harley bike looking nice until -- >> the light turns green. you never are going to believe this. watch. >> see why this ride is all show and no go.