WThe 2013–14 Grand Prix of Figure Skating Final was an international figure skating competition in the 2013–14 season, held together with the ISU Junior Grand Prix Final. The combined event was the culmination of two international series — the Grand Prix of Figure Skating and the Junior Grand Prix.
WThe 2013 Asia Series was the seventh and final edition of the Asia Series, the premier Asian club baseball tournament, and the ninth time national champions from Asian leagues have competed against each other. The tournament was held in Taichung and Taoyuan, Taiwan, starting on 15 November with the final held on 20 November.
WJapan competed at the 2013 Summer Universiade in Kazan, Russia from 6 July to 17 July 2013. 417 athletes were a part of the Japanese team.
WJapan competed at the 2013 World Aquatics Championships in Barcelona, Spain between 19 July and 4 August 2013.
WJapan competed at the 2013 World Games held in Cali, Colombia.
WThe 2013 Tokyo Marathon was the seventh edition of the annual marathon race in Tokyo, Japan and was held on Sunday, 24 February. An IAAF Gold Label Road Race, it was the first World Marathon Majors event to be held that year and represented the first occasion that the Tokyo race was part of the elite-level marathon series.
WUFC on Fuel TV: Silva vs. Stann was a mixed martial arts event held by the Ultimate Fighting Championship on March 3, 2013, at the Saitama Super Arena in Saitama, Japan.
WJapan sent 41 athletes to the 14th IAAF World Championships in Moscow, Russia. The Japan team were announced by the Japan Association of Athletics Federations after the 2013 Japan Championships in Athletics.