Alex Criville (Honda) took his sixth win of the season, and extended his championship points lead over Kenny Roberts (Suzuki) to 66 points, at the Imola 500 GP on Sunday, September 5, 1999. Alex Barros (Honda) was second, with the locals cheering Max Biaggi (Yamaha) home in third place.
Early race leader Kenny Roberts (Suzuki) faded badly to sixth place.
In the 250 race, Loris Capirossi (Honda) decimated the field with second place more than eight seconds behind at the checkered flag. Second place went to Valentino Rossi (Aprilia), with the rider on pole, Olivier Jacque (Yamaha), coming home third.
Race Finish – 500cc (Top 10)
1. Alex Criville (Honda)
2. Alex Barros (Honda)
3. Max Biaggi (Yamaha)
4. Tadayuki Okada (Honda)
5. Regis Laconi (Yamaha)
6. Kenny Roberts (Suzuki)
7. Nobuatsu Aoki (Suzuki)
8. John Kocinski (Honda)
9. Garry McCoy (Yamaha)
10. Sete Gibernau (Honda)
Race Finish – 250cc (Top 10)
1. Loris Capirossi (Honda)
2. Valentino Rossi (Aprilia)
3. Olivier Jacque (Yamaha)
4. Stefano Perugini (Honda)
5. Shinya Nakano (Yamaha)
6. Franco Battaini (Aprilia)
7. Ralf Waldmann (Aprilia)
8. Marcellino Lucchi (Aprilia)
9. Sebastian Porto (Yamaha)
10. Roberto Rolfo (Aprilia)
500cc Championship Points Standings (Top 3 after 11 of 16 rounds)
1. Alex Criville (Honda)
2. Kenny Roberts (Suzuki)
3. Tadayuki Okada (Honda)
250cc Championship Points Standings (Top 3 after 11 of 16 rounds)
1. Valentino Rossi (Aprilia)
2. Tohru Ukawa (Honda)
3. Loris Capirossi (Honda)
