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