1400 Guineas Stakes the Beacon course at Newmarket and would be open to four-year-old colts and fillies. They paid a 200 guineas subscription each to enter their horse. Colts would carry 8 st 7 lb and fillies 8 st 4 lb. The race was initially to be run for five consecutive years from 1758, but was subsequently renewed in 1763. The weights were changed in 1768, with colts carrying 8 st 10 lb and fillies 8 st 7 lb. The race was discontinued after 1782 and a similar race was started for three-year-olds in 1784. 1400 Guineas Stakes The 1400 Guineas Stakes was
Commonwealth Cup (horse 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 age-restricted Group 1 race which is open to geldings in Europe. It is run at Ascot over a distance of 6 furlongs (1,207 metres), and it is scheduled to take place each year in June. The Commonwealth Cup was introduced in 2015 as part of a set of changes to the programme of sprint horse