South America, North America and Europe

Lexie, now on the home stretch, paces through the Americas and Europe, meeting even more incredible trailblazers-from sandboarders to cowgirls, from ex-triathletes to Finnish ice bathers. But, as always, it's not as simple as planned. Can she make it all the way back to Nice? Has she clocked 29,000 km? Will she have done enough to set a new world record?