Speed Racer is an English adaptation name of the Japanese manga and anime, Mach Go Go Go (マッハGoGoGo) which centered on automobile racing. Mach GoGoGo was originally serialized in print form in Shueisha's 1958 Shōnen Book, and was released in tankōbon book form by Sun Wide Comics, re-released in Japan by Fusosha. From 1967 to 1968 it ran as a television series in the United States, with 52 episodes. Selected chapters of the manga were released by NOW Comics in the 1990s under the title Speed Racer Classics, later released by the DC Comics division, Wildstorm Productions under the title Speed Racer: The Original Manga. Among its various spin-off products are video games.
Source: Wikipedia, "Speed Racer", available under the CC-BY-SA License.