It comprises six annual races (five 2006–2011, four 2012) for the cities of Tokyo (starting in 2013), Boston, London, Berlin, Chicago and New York City (2006–11, 2013–), a biennial race, the IAAF World Championships Marathon, and a quadrennial race, the Olympic Games Marathon.
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In spite of her age she remained one the best international runners and took third place at the 2013 Tokyo Marathon (a new addition to the World Marathon Majors circuit).