Samurai Marathon (Japanese: サムライマラソン, Hepburn: Samurai Marason) is a 2019 Japanese-British historical action adventure film co-written and directed by Bernard Rose and starring Takeru Satoh, Nana Komatsu and Mirai Moriyama.

It is based on the 2014 novel The Marathon Samurai: Five Tales of Japan’s First Marathon by Akihiro Dobashi, itself inspired by the origin story of the Ansei Toashi 30-km footrace held annually in Annaka City.

[1][2][3] In 1855, a daimyo sends his men on a grueling marathon to discover if they're tough enough to face the newly arrived Americans.

[7] Well Go USA Entertainment acquired North American distribution rights to the film in July 2019.

[9] James Hadfield of The Japan Times awarded the film three stars out of five.