Motorcycle race on the sands at Portmarnock.
Portmarnock (unknown location).
Full titles read: "SPEEDING ON THE SANDS - Some fine performances at Portmarnock."
L/S motorcyclist lined up in long row on the beach on their bikes. M/S of cyclist being push started by two officials, he speeds away. the officials do the same for other cyclists. Various shots of motorbike speeding along the sands. L/S of motorbikes and riders approaching the finish line. C/U of the winner (?) sitting on bike, he smiles at the camera.