On This Day: Prost wins by a lap as his three title rivals retire | Brief

The article discusses the Austrian Grand Prix held on August 17, 1986, which was significant in the context of the Formula 1 championship. Leading into the race, Nigel Mansell was at the top of the points standings, followed closely by Ayrton Senna and Nelson Piquet, both of whom retired during the event.

Alain Prost emerged victorious, dominating the race by lapping all competitors. This win was crucial for Prost as it revitalized his chances in the championship with only four races left in the season.