The series is set in 2049 and revolves around the Immortal Grand Prix, or IGPX, which is a mecha racing/battle circuit. The sport is so popular that an entire city has been built for the racing industry, where competitions take place on a huge 60-mile track. In the IGPX, two teams of three mechs, high-tech fighting machines driven by humans, race at speeds greater than 350 mph. The IGPX also contains fighting elements; attacking the opposing team to disable their mechs (thus preventing them from winning the race) is not only legal, but also expected. Team Satomi, a crew of amateur pilots, has just won a minor-league championship, the IG-2, vaulting them into the sport’s highest level, the IG-1. Now, the untested rookies of Team Satomi must overcome impossible odds and beat the world’s most skilled and ruthless pilots. The series was Toonami's first and only original series. (from Wiki)