Claim: The 1985 Belgian Grand Prix held on September 15 at Spa-Francorchamps was a Formula One motor race and there was only a 28-second difference between the fastest driver (France's Alain Prost on a McLaren-TAG) and second fastest driver (UK's Nigel Mansell on a Williams-Honda) after 43 laps.
Evidence: Brazil Ayrton Senna 1:34:19.893