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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Severn Trent Water have apologised, saying their teams are working to "get things back to normal".
A bright start on Friday, although one or two showers will continue in the west.
It will become sunny for most people on Friday.