when he was 10 born and raced in salt lake. his coach was in california. mom found a way for him to pursue his passion. i talked to him not 24 hours after his gold medal perform maps. listen. she would drive me back and forth over and over. racked up hundreds of thousands of miles in her prius. any hour of the day, you know, whether it's 3 a.m., she's chugging along in the car and getting me to my training sessions. for her to completely not a second thought, just immediately, yeah, you need to go? hop in the car. let's go to california. unreal. >> reporter: unreal, indeed. the ride of a lifetime. snowboarding legend shaun white's final olympic run putting a bow in a historic and evolutionary career. white put up a score in the