In pictures: 143rd Kentucky Derby

Always Dreaming won the race, pulling away in the final straight on a sloppy track at Churchill Downs
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Jockey John Velazquez celebrates atop Always Dreaming #5 after winning the 143rd running of the Kentucky Derby at Churchill Downs in Louisville, Kentucky. (Getty Images)
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Jockey John Velazquez, left, celebrates with owner Vinny Viola after Always Dreaming won the 143rd running of the Kentucky Derby at Churchill Downs in Louisville, Kentucky. (Getty Images)
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Jockey John Velazquez celebrates atop Always Dreaming #5 after winning the 143rd running of the Kentucky Derby at Churchill Downs in Louisville, Kentucky. (Getty Images)
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Jockey John Velazquez celebrates as he guides Always Dreaming #5 across the finish line to win the 143rd running of the Kentucky Derby at Churchill Downs in Louisville, Kentucky. (Getty Images)
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The field breaks from the starting gate during the 143rd running of the Kentucky Derby at Churchill Downs in Louisville, Kentucky. (Getty Images)
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A woman wearing a festive hat poses prior to the 143rd running of the Kentucky Derby at Churchill Downs in Louisville, Kentucky. (Getty Images)
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A woman wearing a festive hat poses in front of roses prior to the 143rd running of the Kentucky Derby at Churchill Downs in Louisville, Kentucky. (Getty Images)
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A man wearing a festive hat looks on prior to the 143rd running of the Kentucky Derby at Churchill Downs in Louisville, Kentucky. (Getty Images)
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Fans react as a drummer performs in the infield prior to the 143rd running of the Kentucky Derby at Churchill Downs in Louisville, Kentucky. (Getty Images)
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A woman wearing a festive hat looks on prior to the 143rd running of the Kentucky Derby at Churchill Downs in Louisville, Kentucky. (Getty Images)
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Derby goers place bets at the 143rd Kentucky Derby at Churchill Downs in Louisville, Kentucky. (Getty Images)