Who is Lance Armstrong from It's Not About the Bike and what is their importance?

Lance Armstrong is born is Texas. He starts his athletic career running, then swimming and then cycling. He wins the first triathlon he enters. As a teen, he defeats many elite adult racers in triathlons. He starts focusing on cycling-only races and gets the attention of the US Cycling Federation. He races for the US Cycling team and the Subaru-Montgomery racing teams. Lance becomes the first American to win the Settimana Bergamasca Race.