The Kentucky Derby has been the focus of Sheikh Mohammed bin Rashid al Maktoum's horse racing efforts for over a decade.

The ruler of Dubai is known for his avid thoroughbred breeding and racing, and while he has emerged victorious from many of the world's top horse races, he has yet to win a Kentucky Derby, NBC News reported.

"The Kentucky Derby is a more difficult race to win than I first believed," Sheikh Mohammed told ESPN.

But he vowed to return to the classic horse race, which kicks off on May 4, every year until he could win and many believe that this could be his year. The Daily Racing Form(DFR), a website devoted to covering the horse racing season, began speculating in January that the Sheik could have a shot at Churchill Downs this May.

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The sheikh's Derby strategy has always been to ship his horses in from Dubai to Louisville, NBC News reported. This year, however, he has kept his Derby hopeful Alpha in the United States with the horse's original trainer, Kiaran McLaughlin.

Alpha has done well so far this winter, NBC News reported, taking impressive wins in the Count Fleet and Withers races at Aqueduct in New York.

"You couldnt blame Sheikh Mohammed if he woke up Sunday morning with the feeling that he has his best chance yet of winning the coveted first leg of the US Triple Crown," wrote DFR's Mike Watchmaker after the Aqueduct races.

The Sheik's passion for horse-racing knows no financial boundaries: He is consistently one of the top buyers at horse sales across the globe, ESPN reported. In September of 2006, for example, he spent $58.6 million in three days at the Keeneland yearling sale.

For the Middle Eastern leader, winning the Derby is a matter of pride and heritage, as NBC News pointed out. His 20-year-old racing unit, Godolphin, is named after a breed of thoroughbred that originated in the Middle East, according to NBC News.

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Kentucky Derby: Dubai's Sheikh Mohammed sets his sights on a victory at Churchill Downs