against mongolian animals or on a quiet day literally jump down the street on a yoga ball. sounds a little nuts. >> you're about to meet the new yorker whose job it is to set world records. in fact, he owns the record for having the most records. so what makes him tick? here's ron claiborne. >> we measured ten meters. >> reporter: for ashrita furman, it was just another day. another world record. this one for running the fastest mile with aluminum cans on his feet, held in place by strings in his hands. with his latest athletic and arguably eccentric achievement, ashrita furman now holds 125 guinness world records, including the world record for holding the most world records. simply put, it's what he does. for the past 31 years he's crisscrossed the globe, setting