 Complete the following phrase:  In 1931, a 440yd running track was installed for the Amateur Athletic Association Championships, held there from 1932 to 1970. Besides the AAA championships, major athletics events, including international matches, were held at the stadium. In 1954 in a match against Russia Christopher Chataway broke the world 5000m record running against Vladimir Kuts. The one mile world record was broken there by Derek Ibbotson in 1957. In 1934 the 