1200 Guineas Stakes 1st Earl of Gower and Thomas Duncombe. They agreed the race was to be run over the Beacon course at Newmarket and would be open to five-year-old horses and mares. They paid a 100 guineas subscription each to enter their horse and all runners would carry nine stone. The race was initially to be run for five consecutive years from 1757, but was subsequently renewed in 1762. Leading owner (4 wins): 1200 Guineas Stakes The 1200 Guineas Stakes was a flat horse race in Great Britain open to thoroughbreds aged five years. It was run at Newmarket and was one
Union Race Course Trotting Park' but the increasing value of the land for housing proved too much. The final horse race was run at Union Race Course on July 18, 1863. The positioning of this race course, as well as the earlier built race course called Pioneer Race Course appear to have affected the placement of the San Francisco-San Jose Railway. Union Race Course Union Race Course was a horse racing track opened in the 1850s in San Francisco, California located in the Mission District. There were two horse race courses in the Mission District at this time, the other being Pioneer Race