The 2005 Epsom Derby was a horse race which took place at Epsom Downs on Saturday June 4, 2005. It was the 226th running of the Derby, and it was won by the pre-race favourite Motivator. The winner was ridden by Johnny Murtagh and trained by Michael Bell.
Sponsor: VodafoneWinner's prize money: £725,000Going: GoodNumber of runners: 13Winner's time: 2m 35.69s* The distances between the horses are shown in lengths or shorter. hd = head.
† Trainers are based in Great Britain unless indicated.
Further details of the winner, Motivator:
Foaled: February 22, 2002 in Great BritainSire: Montjeu; Dam: Out West (Gone West)Owner: The Royal Ascot Racing ClubBreeder: Deerfield FarmRating in 2005 World Thoroughbred Racehorse Rankings: 125Notable runs by the future Derby participants as two-year-olds in 2004.
Motivator – 1st Racing Post TrophyWalk in the Park – 3rd Critérium InternationalDubawi – 1st Superlative Stakes, 1st National StakesOratorio – 7th Coventry Stakes, 1st Anglesey Stakes, 2nd Phoenix Stakes, 1st Futurity Stakes, 1st Prix Jean-Luc Lagardère, 2nd Dewhurst StakesKings Quay – 12th Coventry Stakes, 1st Washington Singer Stakes, 6th Somerville Tattersall StakesEarly-season appearances in 2005 and trial races prior to running in the Derby.
Motivator – 1st Dante StakesWalk in the Park – 2nd Lingfield Derby TrialDubawi – 5th 2,000 Guineas, 1st Irish 2,000 GuineasFracas – 1st Sandown Classic Trial, 1st Derrinstown Stud Derby TrialGypsy King – 1st Dee StakesHattan – 3rd Sandown Classic Trial, 1st Chester VaseUnfurled – 1st Predominate StakesThe Geezer – 2nd Dante StakesGrand Central – 2nd Leopardstown 2,000 Guineas Trial Stakes, 3rd Derrinstown Stud Derby TrialOratorio – 4th 2,000 Guineas, 2nd Irish 2,000 GuineasKings Quay – 5th Easter Stakes, 2nd Feilden Stakes, 6th Sandown Classic Trial, 6th Lingfield Derby TrialAlmighty – 4th Ballysax Stakes, 2nd Chester VaseKong – 1st Lingfield Derby TrialGroup 1 / Grade I victories after running in the Derby.
Dubawi – Prix Jacques Le Marois (2005)Oratorio – Eclipse Stakes (2005), Irish Champion Stakes (2005) 
