For two decades, racers have gathered in southeastern France to begin a demanding footrace that takes them through three countries. Along the way, they have to conquer the tricky terrain of one of Europe's most imposing mountains. This title introduces readers to one of the most unique trail races in the world--and the competitors who have pushed themselves to the limit to complete the course. The title features informative sidebars, exciting photos, a map, a glossary, and an index. SportsZone is an imprint of Abdo Publishing, a division of ABDO.