Senna joined Mclaren in 1988 to partner Alain Prost. Prost won the first race in Brazil. Senna took his first victory for Mclaren a race later in Imola. Senna dominated Prost in Monaco, he qualified on pole by 1.4 seconds and had almost a 50 second lead until lap 67. Senna lost the car in Portier and crashed. Senna walked to his home and only showed his face again in the evening. Senna won again in Canada and Detroit while Prost won Mexico and France. Senna won 4 races in a row after that and looked to win his 5th before he got taken out by Schlesser with 3 laps to go. Berger won the race, the only race that Mclaren didn't win in 88. Prost won the final 3/4 races and scored mathematically more points than Senna. But only the best 11 races counted towards the championship and Senna won the title by 3 points. The title battle heated in 1989. Senna took the early lead by winning San Marino, Mexico and Monaco. Senna overtook Prost in San Marino at the restart which was a violation of the prerace agreement. Senna won again in Germany Belgium and Spain. Prost only won 4 races up to Suzuka but his consistent performances made him lead by quite a margin. Senna needed to win in Suzuka to keep his championships hopes alive. Senna and Prost collided on lap 46 which ended Prost his race. Senna however got a push start from the marshals and rejoined the race. Senna won the race but he got Disqualified for having a push start and cutting the track. This made Prost the 1989 world champion with 1 round to go. Prost left Mclaren to join Ferrari in 1990. Senna took 3 wins In the first 5 races to kick off the season well. Prost answered with 3 consecutive race wins. Senna scored 7 podiums in a row including 3 race wins. Prost needed to finish ahead of Senna in Suzuka to stay in the championship. It was the penultimate round of the season in Suzuka again. Senna took pole but first place his grid slot was on the dirty side. Prost got a better start and pulled ahead. Senna however kept his foot in and he hit Prost his rear end with 270KM/H which saw both drivers retire from the race. This made Senna the world champion of 1990.
The 1981 season started in Long Beach. Williams started the season with a 1/2 with reigning champion Jones winning infront of teammate Reutemann. Piquet finished 3rd for Brabham. Carlos Reutemann took a controversial win in Brazil where he ignored pitorders to let Jones past. Jones finished 2nd and didn't show up on the podium. Patrese finished 3rd for Arrows. Piquet took a dominant win in Argentina starting from pole. Reutemann finished 2nd on his birthday and Prost took his first podium in 3rd. Piquet also won the following race in Imola infront of Patrese and Reutemann. Reutemann extended his championship lead in Zolder by taking his final F1 victory. Laffite finished 2nd and Mansell took his first podium in 3rd. The weekend was overshadowed by the death of a Osella mechanic who died after getting hit by Reutemann after he fell from the pitwall. Villeneuve took his first win since 1979 in Monaco after a really bad car In 1980. Jones and Laffite joined him on the podium. Villeneuve won again in Jarama which would be his last F1 victory. Laffite finished 2nd and Watson 3rd. Prost took his first F1 win on home soil in Dijon infront of Watson and Piquet. John Watson took Mclaren their first win since 1977 in Silverstone infront of Reutemann who extended his championship lead. Laffite finished 3rd. Piquet took his 3rd win of the season in Hockenheim followed by Prost and Laffite. Laffite took his first victory of the season in Austria infront of fellow countryman Arnoux. Piquet finished 3rd. Prost won again in Zandvoort in front of Piquet who took over the championship lead infront of Jones in 3rd. Prost continued his good form in Monza where he won the grand prix infront of Jones and Reutemann who retook the championship lead. Jones announced his retirement before the Canadian Grand prix. The race won by Laffite. Watson finished 2nd and Villeneuve finished 3rd while driving without a front wing in the rain. Reutemann went into the final round as the championship leader. Both Piquet and Laffite could still win the title. Jones won the race infront of Prost and Giacomelli. Piquet finished 5th to win his first title by a single point after Reutemann failed to score.