PICTURES OF THE DAY

ArchArchArch trains in preparation for the 137th Kentucky Derby at Churchill Downs on May 4, 2011 in Louisville, Kentucky. (Photo by Matthew Stockman/Getty Images)

Paul Hanagan riding Doctor Parkes (C, red spotted cap) turn into the straight to win The Stellar Group Handicap Stakes at Chester racecourse on May 04, 2011 in Chester, England. (Photo by Alan Crowhurst/Getty Images Europe)

Shackleford trains in preparation for the 137th Kentucky Derby at Churchill Downs on May 4, 2011 in Louisville, Kentucky. (Photo by Matthew Stockman/Getty Images)

Summer Soiree trains in preparation for the 137th Kentucky Oaks at Churchill Downs on May 4, 2011 in Louisville, Kentucky. (Photo by Matthew Stockman/Getty Images)

Twinspired trains during morning training in preparation for the 137th Kentucky Derby at Churchill Downs on May 4, 2011 in Louisville, Kentucky. (Photo by Matthew Stockman/Getty Images)

Mut'ab ridden by Alan Creighton wins the Greshams Prep School Racing to School Selling hurdles race run at Fakenham Racecourse on May 3, 2011 in Fakenham, England.  (Photo by Jamie McDonald/Getty Images Europe)