Question: Information: - The 1964 Summer Olympics, officially known as the , was an international multi-sport event held in Tokyo, Japan, from October 10 to 24, 1964. Tokyo had been awarded the organization of the 1940 Summer Olympics, but this honor was subsequently passed to Helsinki because of Japan's invasion of China, before ultimately being canceled because of World War II. - The 1960 Summer Olympics, officially known as the Games of the XVII Olympiad (Italian: "Giochi della XVII Olimpiade"), was an international multi-sport event held from August 25 to September 11, 1960, in Rome, Italy. Rome had been awarded the organization of the 1908 Summer Olympics, but after the 1906 eruption of Mount Vesuvius, was forced to decline and pass the honors to London. - A silver medal in sports and other similar areas involving competition is a medal made of, or plated with, silver awarded to the second-place finisher, or runner-up, of contests or competitions such as the Olympic Games, Commonwealth Games, etc. The outright winner receives a gold medal and the third place a bronze medal. More generally, silver is traditionally a metal sometimes used for all types of high-quality medals, including artistic ones. - Brian Leonard Kilby (born 26 February 1938 in Coventry, England) is a retired marathon runner from Great Britain, whose best year was 1962. He then won the gold medal in the men's marathon at the European Championships and at the 1962 Commonwealth Games. He represented Great Britain two years later, at the 1964 Summer Olympics in Tokyo, Japan, where he finished fourth in the men's marathon. He also represented Great Britain at the 1960 Summer Olympics in Rome, Italy, where he finished 29th in the men's marathon. - Aurele Vandendriessche (born 4 July 1932 in Anzegem, West-Vlaanderen) is a retired marathon runner from Belgium, who won the silver medal at the 1962 European Championships, behind Great Britain's Brian Kilby. - Viktor Baykov ( born February 9 , 1935 in Ryazan , Russia ) is a retired marathon runner from the Soviet Union , who won the bronze medal at the European Championships , behind Great Britain 's Brian Kilby and Belgium 's Aurele Vandendriessche . He is a four - time winner of the Soviet national marathon title ( 1961 - 1964 ) . What entity does 'viktor baykov' has the relation 'participant of' with?
Answer:
1964 summer olympics