Steve Buttleman, the official bugler at Churchill Downs since 1995, gets Derby day started.
2 of 17Luke Sharrett/AFP/Getty Images
A man dressed as Colonel Sanders makes his way through Churchill Downs, bucket in hand.
3 of 17Bill Frakes/SI
Picturesque hats were out in full force, though headgear and sunglasses weren't needed with cloudy skies.
4 of 17Rob Carr/Getty Images
Forecasted rain held off at race time, but that didn't stop the Slip-'N-Slide action.
5 of 17Bill Frakes/SI
This spectator went for the butterfly effect.
6 of 17Bill Frakes/SI
This hat had a little bit of everything, including patriotism.
7 of 17Bill Frakes/SI
A fitting choice for the Run for the Roses.
8 of 17Simon Bruty/SI
The 19-horse field shot out of the gates shortly after the 6:24 p.m. ET post time, just as Justin Verlander was finishing up his no-hitter.
9 of 17Simon Bruty/SI
Shackleford took the early lead and held it for the majority of the 1 1/4-mile race.
10 of 17Luke Sharrett/AFP/Getty Images
The race was deemed by many to be wide open with no hands-down favorite, though Dialed In went off with the best odds, 5-1. Despite the unaccomplished field, a record crowd of 164,858 watched at Churchill Downs.
11 of 17Bill Frakes/SI
Shackleford continued to lead as they made their way toward the stretch.
12 of 17Heinz Kluetmeier/SI
But John Velazquez rode Animal Kingdom to the lead with a late charge.
13 of 17John Gress/Reuters
Animal Kingdom won by 2 3/4 lengths. Nehro was second and Mucho Macho Man was third.
14 of 17Al Bello/Getty Images
Velazquez was supposed to ride early-week favorite Uncle Mo, but he was scratched and Velazquez boarded the 20-1 underdog instead.
15 of 17Heinz Kluetmeier/SI
Animal Kingdom had never raced on dirt before.
16 of 17Bill Frakes/SI
Barry Irwin, owner of Animal Kingdom, lifts the Derby trophy.
17 of 17Bill Frakes/SI
Animal Kingdom's quest to become the first Triple Crown winner since Affirmed (1978) resumes at the Preakness Stakes on May 21.
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