Avon & Somerset Police have issued an appeal for witnesses to yesterday's fatal accident.
The crash happened on the B4461 Vattingstone Lane, at its junction with Mumbleys, at Elberton at about 12.45pm.
Junior Heffernan, who was taking part in the Severn Bridge Road Race, was travelling down Vattingstone Lane towards a left-hand bend when he hit a stationary car, which had been travelling in the opposite direction.
Despite treatment, he died at the scene.
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Icy conditions expected after a freezing night. Early cloud will break up leaving sunny spells, light winds and temperatures at 8 degrees.