Horse Racing - Dubai World Cup 2018 - Meydan Racecourse, Dubai - United Arab Emirates - March 31, 2018 - Jockeys compete during the Eighth Race.

Horse Racing - Dubai World Cup 2018 - Meydan Racecourse, Dubai - United Arab Emirates - March 31, 2018 - Joel Rosario is seen on Mind Your Biscuits from the Unites States as he celebrates winning the Sixth Race.

Horse Racing - Dubai World Cup 2018 - Meydan Racecourse, Dubai - United Arab Emirates - March 31, 2018 - Christophe Soumillon (C) rides Vazirabad from France to win the third race.

Horse Racing - Dubai World Cup 2018 - Meydan Racecourse, Dubai - United Arab Emirates - March 31, 2018 - Christophe Soumillon riding Thunder Snow from Ireland celebrates after winning the Final Race.

Horse Racing - Dubai World Cup 2018 - Meydan Racecourse, Dubai - United Arab Emirates - March 31, 2018 - Jockeys compete during the Sixth Race.

Horse Racing - Dubai World Cup 2018 - Meydan Racecourse, Dubai - United Arab Emirates - March 31, 2018 - Christophe Soumillon rides Thunder Snow from Ireland to the finish line to win the Ninth and Final Race.

Horse Racing - Dubai World Cup 2018 - Meydan Racecourse, Dubai - United Arab Emirates - March 31, 2018 - Christophe Soumillon holds his trophy after winning the Final Race.

Horse Racing - Dubai World Cup 2018 - Meydan Racecourse, Dubai - United Arab Emirates - March 31, 2018 - Jockeys compete during the third race.

Horse Racing - Dubai World Cup 2018 - Meydan Racecourse, Dubai - United Arab Emirates - March 31, 2018 - William Buick rides Hawkbill from the United States to the finish line to win the Eighth Race.

Horse Racing - Dubai World Cup 2018 - Meydan Racecourse, Dubai - United Arab Emirates - March 31, 2018 - Christophe Soumillon riding Thunder Snow from Ireland celebrates after winning the Final Race.

Horse Racing - Dubai World Cup 2018 - Meydan Racecourse, Dubai - United Arab Emirates - March 31, 2018 - Jockeys compete during the Fourth race.

Horse Racing - Dubai World Cup 2018 - Meydan Racecourse, Dubai - United Arab Emirates - March 31, 2018 - Jockeys compete during the Eighth Race.

Horse Racing - Dubai World Cup 2018 - Meydan Racecourse, Dubai - United Arab Emirates - March 31, 2018 - Ryan Moore (R) rides Heavy Metal from Britain to the finish line to win the first race.

Horse Racing - Dubai World Cup 2018 - Meydan Racecourse, Dubai - United Arab Emirates - March 31, 2018 - Christophe Soumillon rides Thunder Snow from Ireland to the finish line to win the Ninth and Final Race. REUTERS/Ahmed Jadallah

Horse Racing - Dubai World Cup 2018 - Meydan Racecourse, Dubai - United Arab Emirates - March 31, 2018 - Christophe Soumillon rides Thunder Snow from Ireland to the finish line to win the Final Race. Image used for illustrative purpose.