1000 Guineas Stakes 1000 Guineas Stakes The 1000 Guineas Stakes is a Group 1 flat horse race in Great Britain open to three-year-old 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 on the Sunday following the 2000 Guineas Stakes. It is the second of Britain's five Classic races, and the first of two restricted to fillies. It can also serve as the opening leg of the Fillies' Triple Crown, followed by the Oaks and the St Leger, but
Union Race Course 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 Course which was located a few blocks away. At the time it was planned to be built, no streets existed in this neighborhood but later it appears to be bound by 19th St to 23rd St and Capp St to Harrison St. The half mile track was renovated in 1862, moved slightly to softer ground and renamed 'Willows