2,000 Guineas Trial Stakes 2,000 Guineas Trial Stakes The 2,000 Guineas Trial Stakes was a Group 3 flat horse race in Great Britain open to three-year-old thoroughbred colts and geldings. It was run over a distance of 7 furlongs (1,408 metres), and it was scheduled to take place each year in early April. The event was originally held at Ascot. The present grading system was introduced in 1971, and the race was classed at Group 3 level. It was staged at Newmarket in 1978, and transferred to Salisbury in 1979. It was discontinued after 1986. The race served as a trial for the 2000
Commonwealth Cup (horse race) races in Europe. The Diamond Jubilee Stakes, run over the same course and distance at the same meeting, was closed to three-year-olds at the same time. The new race was subsequently named the Commonwealth Cup and the Buckingham Palace Stakes was removed from the Royal Ascot meeting to make room for the new race. ---- Commonwealth Cup (horse race) The Commonwealth Cup is a Group 1 flat horse race in Great Britain open to horses aged three years. It is the only Group 1 flat race in Great Britain exclusively for three-year-olds that allows geldings to compete and the first