Photos: 139th Kentucky Derby

LOUISVILLE, KY - MAY 04: Trainer Shug McGaughey (L) walks with Orb ridden by jockey Joel Rosario after winning the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Rob Carr/Getty Images)  (Rob Carr / Getty Images)

LOUISVILLE, KY - MAY 04: Guests toast the 139th Kentucky Derby with Moët & Chandon at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Mike Coppola/Getty Images for Moet & Chandon)  (Mike Coppola / Getty Images for Moet & Chandon)

LOUISVILLE, KY - MAY 04: The field rounds turn one lead by Palace Malice ridden by Mike Smith during the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Andy Lyons/Getty Images)  (Andy Lyons / Getty Images)

LOUISVILLE, KY - MAY 04: Kentucky Derby winner Orb with jockey Joel Rosario crosses the finish line to win the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Jamie Squire/Getty Images)  (Jamie Squire / Getty Images)

LOUISVILLE, KY - MAY 04: The field comes out of the gate to start the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Doug Pensinger/Getty Images)  (Doug Pensinger / Getty Images)

LOUISVILLE, KY - MAY 04: Kentucky Derby winner Orb with jocke yJoel Rosario reacts after crossing the finish line to win the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Jamie Squire/Getty Images)  (Jamie Squire / Getty Images)

LOUISVILLE, KY - MAY 04: Kentucky Derby winner Orb with jockey Joel Rosario reacts after crossing the finish line to win the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Jamie Squire/Getty Images)  (Jamie Squire / Getty Images)

Fans slide through the mud in the infield prior to the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky.  (Getty Images / Getty Images)

A woman slides on a plastic tarp through the wet weather as patrons wait for the start of the running of the 139th Kentucky Derby horse race at Churchill Downs in Louisville, Kentucky.  (Matt Sullivan/Reuters)

Derby patrons entertain themselves by sliding in the rain as they wait for the running of the 139th Kentucky Derby horse race at Churchill Downs in Louisville, Kentucky.  (Matt Sullivan/Reuters)

Race patrons continue to enjoy themselves amid the rain and mud as they wait for the running of the 139th Kentucky Derby horse race at Churchill Downs in Louisville, Kentucky.  (Matt Sullivan/Reuters)

Fans walk through the infield, while it rains, prior to the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky.  (Jamey Price / Getty Images)

Jockey Gary Stevens looks on after a race prior to the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky.  (Rob Carr / Getty Images)

Jockey Robby Albarado looks on after a race prior to the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky.  (Jamey Price / Getty Images)

Jockey Rosie Napravnik walks away with a mud-covered face following the 7th race leading up to the running of the 139th Kentucky Derby horse race at Churchill Downs in Louisville, Kentucky.  (Jeff Haynes/Reuters)

Race fans pass through a tunnel while taking cover from the rain prior to the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky.  (Doug Pensinger / Getty Images)

Horses race along the muddy backstretch during an undercard race prior to the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky.  (Doug Pensinger / Getty Images)

Horses race along the muddy backstretch during an undercard race prior to the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky.  (Doug Pensinger / Getty Images)

Horses race along the muddy backstretch during an undercard race prior to the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky.  (Doug Pensinger / Getty Images)