The 1968 London–Sydney Marathon, officially Daily Express-Daily Telegraph London-Sydney Marathon was the first running of the London-Sydney Marathon. The rally took place between the 24th of November and the 17th of December 1968. The event covered 10,373 miles (16,694 km) through Europe, Asia and Australia. It was won by Andrew Cowan, Colin Malkin and Brian Coyle, driving a Hillman Hunter.