Belgian GP
Ayrton Senna, Lotus 99T Honda, leads Nigel Mansell, Williams FW11B Honda, sparks, Nelson Piquet, Williams FW11B Honda, Michele Alboreto, Ferrari F1-87, Alain Prost, McLaren MP4-3 TAG, Thierry Boutsen, Benetton B187 Ford, Gerhard Berger, Ferrari F1-87, and Teo Fabi, Benetton B187 Ford.