The ancient Olympic Games were part of a religious festival in honour __21__ the Greek god Zeus, the father of all Greek gods and goddesses. The festival and games were held in Olympia, a religious Sanctuary.（禁猎区，野生动物保护区） In the ancient games, athletes received prizes worth large amounts of money. In fact the word "athlete" is an ancient Greek word, __22__ "one who competes for a prize". The marathon was not an event of the ancient Olympic Games. The marathon is a modern event that was first __23__ in the Olympic Games in 1896. It was __24__ a village called Marathon where the Persians were defeated by a small Greek army. The news of the victory was brought to Athens by a soldier, who ran the 26 miles from the village of Marathon to the capital. 26 miles was __25__ adopted as the distance of the modern marathon race.