Flash Vol.1 #175
Rokk and Sorban, two aliens who once encountered Superman and Batman, force Superman and The Flash to a rematch race.; Superman soon realizes the aliens are not who they seem to be, and the two help each other escape traps along the race and reach the finish line together, after which they unmask the aliens as Abra Kadabra and Professor Zoom.
Printed: Dec 1967
Writers: E. Nelson Bridwell
Art: Ross Andru and Mike Esposito
Cover: Carmine Infantino and Mike Esposito