2000 Guineas Stakes 2000 Guineas Stakes The 2000 Guineas Stakes is a Group 1 flat horse race in Great Britain open to three-year-old thoroughbred colts and fillies. It is run on the Rowley Mile at Newmarket over a distance of 1 mile (1,609 metres), and it is scheduled to take place each year in late April or early May. It is one of Britain's five Classic races, and at present it is the first to be run in the year. It also serves as the opening leg of the Triple Crown, followed by the Derby and the St Leger, although the feat of
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