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.

The Race continues in Cornwall, Ontario and reaches a fever pitch before alpaca poop hits the fan and a Detour leaves racers off-kilt; it's game on as teams bank on scoring a spot in the semi-final.

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.

The race heads east to Guelph and Wellington County, Ont., where teams first take a moment to reflect before getting boosted 90 feet up a limestone quarry.

In Regina, racers hit the gridiron in Riderville and find the pressure hard to swallow, while they dig deep during a Switch Back featuring a classic challenge with a twist, touching down in host Jon Montgomery's hometown of Russell, Manitoba.

In Penticton, B.C., the drama from the U-Turn Vote unfolds when the results are revealed, and another twist leaves everyone shocked. Racers kick up some dust and get a dose of nostalgia before they aim to hit their target.

Faced with the first-ever U-Turn Vote, alliances are formed and threatened as some teams realize they're being played.

Teams head west to the Sunshine Coast, B.C., and decide whether to secure their spot or try for an opportunity to get ahead. Racers put their taste and rhythm to the test, then some are caught horsing around.

Returning to where it all began as 11 teams start the adventure of a lifetime in Niagara Falls, Ont., as teams face their first challenges, some get pushed over the edge, others face their fears and everyone lights up the night.