. >> i'm jordan romero. win" by going places where no one my age has gone before. >> we again this week with one teen's journey to make a name for himself in a new sport. he's trying to be the best at parkour. he has the moves of a ninja and the skills of "spider-man," but it's mitchell anka practicing parkour. you can call him spider weapo "" without the web. parkour is a training discipline that started out as a military obstacle course in france. it involves jumping, climbing and running it doesn't have set movements or rules. >> it was something that no one knew about. i was cast aside in other sports in baseball, football, soccer, i never really found my place in those sports. when i saw something that was physically active, i saw people doing flips. i was young and very kind of amazed by these things that human beings can do these things. >> but mitchell also needed parkour. >> at the time it was very, i was really at a disadvantage. i was actually severely overweight. at 15 i was 300 pounds. >> being