Tokyo Marathon 2018 Grounds of Imperial Palace Start 5 10 15 20 25 30 35 40 Finish 2km Km marker Shinagawa TOKYO Detail area Tokyo Tower Minato Shibuya Chuo Port of Tokyo Tokyo Bay Imperial Palace Bunkyo Taito Sumida Halfway point Koto Asakusa Shrine MEN COURSE RECORDS WOMEN Wilson Kipsang, KEN, 2017, 2:03:58 Sarah Chepchirchir, KEN, 2017, 2:19:47 MARATHON MAJORS 2018 February 25 Tokyo, Japan September 16 Berlin, Germany April 16 Boston, U.S. October 7 Chicago, U.S. April 22 London, England November 4 New York City, U.S. Source: Tokyo Marathon Picture: Getty Images © GRAPHIC NEWS