![Arrogate (left) capped a triumphant debut season by winning the 2016 Breeders' Cup Classic in a dramatic finish.](https://media.cnn.com/api/v1/images/stellar/prod/161106042340-arrogate-wins.jpg?q=w_3653,h_2435,x_0,y_0,c_fill/h_447)
Arrogate (left) capped a triumphant debut season by winning the 2016 Breeders' Cup Classic in a dramatic finish.
![The result helped the American colt to be named Longines World's Best Racehorse for 2016 in London Tuesday.](https://media.cnn.com/api/v1/images/stellar/prod/170124103604-gettyimages-621315946.jpg?q=w_3718,h_2475,x_0,y_0,c_fill/h_447)
The result helped the American colt to be named Longines World's Best Racehorse for 2016 in London Tuesday.
![Arrogate beat California Chrome and Australian wonder-mare Winx to the coveted Longines prize.](https://media.cnn.com/api/v1/images/stellar/prod/170124103544-gettyimages-620871022.jpg?q=w_3000,h_2119,x_0,y_0,c_fill/h_447)
Arrogate beat California Chrome and Australian wonder-mare Winx to the coveted Longines prize.
![The much-loved Chrome suffered only one defeat over the course of 2016.](https://media.cnn.com/api/v1/images/stellar/prod/150417103636-kentucky-derby-2014-winner.jpg?q=w_5022,h_3300,x_0,y_0,c_fill/h_447)
The much-loved Chrome suffered only one defeat over the course of 2016.
![That was at the hands of Arrogate in the Breeders' Cup Classic at Santa Anita.](https://media.cnn.com/api/v1/images/stellar/prod/141126154031-california-chrome.jpg?q=w_4928,h_3280,x_0,y_0,c_fill/h_447)
That was at the hands of Arrogate in the Breeders' Cup Classic at Santa Anita.
![Former Kentucky Derby champion Chrome won the 2016 Dubai World Cup.](https://media.cnn.com/api/v1/images/stellar/prod/170124103402-gettyimages-517624230.jpg?q=w_2187,h_1458,x_0,y_0,c_fill/h_447)
Former Kentucky Derby champion Chrome won the 2016 Dubai World Cup.
![Australia's Winx won all eight of her starts in 2016. She is riding a 13-race winning streak going back to May 2015. <br />](https://media.cnn.com/api/v1/images/stellar/prod/170124103423-gettyimages-615242056.jpg?q=w_3476,h_2351,x_0,y_0,c_fill/h_447)
Australia's Winx won all eight of her starts in 2016. She is riding a 13-race winning streak going back to May 2015.
![Winx won the Cox Plate for a second time in October.](https://media.cnn.com/api/v1/images/stellar/prod/170124103447-gettyimages-616210690.jpg?q=w_3358,h_1990,x_0,y_0,c_fill/h_447)
Winx won the Cox Plate for a second time in October.
![She has now won over AUD$9.34 million ($7 million) -- the third-highest earnings of any Australasian racehorse.](https://media.cnn.com/api/v1/images/stellar/prod/170124103507-gettyimages-616212836.jpg?q=w_3117,h_2078,x_0,y_0,c_fill/h_447)
She has now won over AUD$9.34 million ($7 million) -- the third-highest earnings of any Australasian racehorse.