The 2010 Tokyo Marathon (Japanese: 東京マラソン 2010) was the fourth edition of the annual marathon race in Tokyo, Japan and was held on Sunday, 28 February. The men's race was won by home athlete Masakazu Fujiwara in a time of 2:12:19, while the women's race was won by Russia's Alevtina Biktimirova in 2:34:39.