Spanish GP: Nigel Mansell, Williams FW11B Honda, leads Nelson Piquet, Williams FW11B Honda, Ayrton Senna, Lotus 99T Honda, Gerhard Berger, Ferrari F1-87, Michele Alboreto, Ferrari F1-87, Thierry Boutsen, Benetton B187 Ford, and Teo Fabi, Benetton B187 Ford.
Nigel Mansell, Williams FW11B Honda, leads Nelson Piquet, Williams FW11B Honda, Ayrton Senna, Lotus 99T Honda, Gerhard Berger, Ferrari F1-87, Michele Alboreto, Ferrari F1-87, Thierry Boutsen, Benetton B187 Ford, and Teo Fabi, Benetton B187 Ford.