Heading into the final night of action, only one horse that raced in Canada over the 2021 harness racing season snatched victory from its rivals at odds greater than 99-1.

Trot Insider is counting down the 10 biggest upsets at the nation's racetracks (fair tracks not included) in terms of $2 win payouts over the past year.

To start the list, click the following link: Canada's Biggest Upsets of 2021.