Newmarket is a market town in the English county of Suffolk. It lies about 110 km (65 miles) northeast of London, with 14,995 inhabitants (2001), the largest city in the district of Forest Heath. Horse racing can be dated back in Newmarket to the year 1174th Newmarket has two racecourses, the Rowley Mile, a well 2,000 m long, slightly uphill straight, take place at the spring and autumn, and the July Course, in the summer race. During the two world wars all classic races were not held here in their traditional places. On the Rowley Mile, the British Triple Crown 2000 Guineas will be held in late April or early May race. Newmarket is located next to the seat of the company founded in 1750 British Jockey Club a museum of horse racing (see Related links) and one of Queen Elizabeth II. Opened Breeding Center for English thoroughbred. The National Stud at Newmarket (near the July Course) but there were before the reign of Queen Elizabeth II. Twin cities of Newmarket are Lexington (Kentucky) and Maisons-Laffitte and its neighboring town of Le Mesnil-le-Roi in France.