In Nevada, the guys attempt to conquer a 75-mile trek through the most barren stretch of the Old West, the route of the classic Pony Express. Do they have the skills and the savvy to tackle this bone-dry gauntlet of desert terrain...riding bicycles instead of horses? The journey begins at one of the few Pony Express stops still standing -- Middlegate Station. A high-octane prize waits for the man whose 'pony' runs best.