Sao Paulo - Factfile on Ayrton Senna who was killed at the San Marino Grand Prix 20 years ago:
World Championships: 3 (1988, 1990 and 1991)
Grand Prix Entries: 162
Grand Prix Wins: 41
Pole Positions: 65
1960: Born Ayrton Senna da Silva on March 21 in Sao Paulo, Brazil
1984: Makes Formula One debut in Brazil in a Toleman, but retires after eight laps.
Takes first podium in Monaco and with further podiums in Britain and Portugal, Senna ends season in 9th place.
1985: In Portugal, Senna takes his maiden pole position and race victory. Finishes fourth in championship.
1986: Two wins and fourth in championship.
1987: Victories in Monaco and Detroit, Senna finishes third in title race.
1988: Joins McLaren as team-mate to Alain Prost. They win 15 of 16 races and Senna clinches his first world title.
1989: Senna's relationship with Prost boils over when they collide at the first corner of the penultimate race in Japan. Senna is disqualified and Prost claims third title.
1990: Prost is now at Ferrari but the pair collide again in Japan as Senna claims the title in his McLaren.
1991: Senna wins third title.
1992: Finishes fourth with three wins in a year when Nigel Mansell dominates for Williams.
1993: Prost, now at Williams, takes world title by 26 points from Senna.
1994: Senna joins Williams. At San Marino Grand Prix, he crashes into a wall at the Tamburello Curve and sustains fatal head injuries. He was 34.
World Championships: 3 (1988, 1990 and 1991)
Grand Prix Entries: 162
Grand Prix Wins: 41
Pole Positions: 65
1960: Born Ayrton Senna da Silva on March 21 in Sao Paulo, Brazil
1984: Makes Formula One debut in Brazil in a Toleman, but retires after eight laps.
Takes first podium in Monaco and with further podiums in Britain and Portugal, Senna ends season in 9th place.
1985: In Portugal, Senna takes his maiden pole position and race victory. Finishes fourth in championship.
1986: Two wins and fourth in championship.
1987: Victories in Monaco and Detroit, Senna finishes third in title race.
1988: Joins McLaren as team-mate to Alain Prost. They win 15 of 16 races and Senna clinches his first world title.
1989: Senna's relationship with Prost boils over when they collide at the first corner of the penultimate race in Japan. Senna is disqualified and Prost claims third title.
1990: Prost is now at Ferrari but the pair collide again in Japan as Senna claims the title in his McLaren.
1991: Senna wins third title.
1992: Finishes fourth with three wins in a year when Nigel Mansell dominates for Williams.
1993: Prost, now at Williams, takes world title by 26 points from Senna.
1994: Senna joins Williams. At San Marino Grand Prix, he crashes into a wall at the Tamburello Curve and sustains fatal head injuries. He was 34.