Tensions are high during a Face Off as teams sweep into a Switch Back in Trois-Rivières, Que. The detour leaves some tongue tied, while others get into a paper jam. At the roadblock teams struggle to hold their horses.

Racers make waves on the East Coast and try to zip through the competition in Miramichi, New Brunswick; the heat is on as the remaining teams try to earn their way into a coveted spot in the Season 10 finale.