5-690: The Blue Riband Trial Stakes is a Listed flat horse race in Great Britain open to three-year-old horses. It is run over a distance of 1 mile, 2 furlongs and 17 yards (2,027 metres) at Epsom in April. Established in 1937, the Blue Riband Trial Stakes replaced a previous event called the Nonsuch Plate. It was originally contested over 1 mile and 110 yards. The present system of race grading
10-545: The weights carried are laid down by an official handicapper to equalise the difference in ability between the runners. In Great Britain, for example, the British Horseracing Authority 's rules define a conditions race as being one "which is none of the following; a Handicap Race or a Novice Race, a race restricted to Maiden Horses, or a race governed by Selling or Claiming provisions." Conditions races are staged at all levels of horse racing. As all of
15-535: The weights carried by the runners are laid down by the conditions attached to the race. Weights are allocated according to the sex of the runners, with female runners carrying less weight than males; the age of the runners, with younger horses receiving weight from older runners to allow for relative maturity, referred to as weight for age ; and the quality of the runners, with horses that have won certain values of races giving weight to less successful entrants. Conditions races are distinct from handicap races , for which
20-449: Was introduced in 1971, and the Blue Riband Trial Stakes was given Group 3 status. It was relegated to Listed level in 1986, and it later became an ungraded conditions race. The Blue Riband Trial Stakes was discontinued for several years in the mid-1990s. It returned in 1997, and from this point its distance was 1 mile, 4 furlongs and 10 yards. It was cut to 1 mile, 2 furlongs and 18 yards in 1999. The race
25-692: Was renamed the Investec Derby Trial in 2010, when the banking group Investec took over the sponsorship. The race reverted to its original name of Blue Riband Trial from the 2018 running. The event can serve as a trial for The Derby (flat racing's "Blue Riband"). It was upgraded to Listed status again in 2018. The last winner of the trial to achieve victory in the Derby was Blue Peter in 1939. Leading jockey since 1970 (5 wins): Leading trainer since 1970 (7 wins): Conditions races Conditions races are horse races in which
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