2017 Kentucky Derby

The field for the 143rd Kentucky Derby navigates through the first turn on the muddy track at Churchill Downs.

Always Dreaming leads the field coming out of the final turn of the 143rd Run for the Roses.

Always Dreaming, with John Velazquez aboard, heads down the home stretch to victory in the 143rd Kentucky Derby.

Jockey John Velazquez celebrates as he crosses the finish line aboard Always Dreaming to win the 143rd Kentucky Derby.

Always Dreaming crosses the finish line three lengths ahead of Lookin at Lee to win the 143rd Kentucky Derby.

John Velazquez rides Always Dreaming down the home stretch as an infield video board shows his margin of lead in the 143rd Running of the Roses.

Jockey John Velazquez acknowledges the spectators after riding Always Dreaming to victory in the 143rd Kentucky Derby.

Trainer Todd Pletcher congratulates jockey John Velazquez after winning the 143rd Running of the Roses.

Always Dreaming and jockey John Velazquez are joined by their connections in the Winner’s Circle after the 143rd Kentucky Derby.

Jockey John Velazquez holds up the winner’s trophy after guiding Always Dreaming to victory in the 143rd Kentucky Derby.

Always Dreaming trainer Todd Pletcher takes his turn with the winner’s trophy at the 143rd Kentucky Derby.

Always Dreaming owner Vinny Viola (front row, right) joins jockey John Velazquez and others in the winner’s circle to hoist the Kentucky Derby trophy.

Jockey John Velazquez sprays the winning connections with champagne as he celebrates his victory aboard Always Dreaming in the 143rd Kentucky Derby.

A fan places a bet before the 143rd running of the Kentucky Derby.

Fans make their way through muddy infield before the 143rd Kentucky Derby at Churchill Downs.

One spectator frolics in Churchill Downs’ infield mud before the Kentucky Derby.

Harry Connick Jr. waves to the crowd before signing the national anthem at the 143rd Kentucky Derby.

Race fans arrive at Churchill Downs for the 143rd running of the Kentucky Derby.