1998 Argentine motorcycle Grand Prix

  1998 Argentine Grand Prix

Race details
Race 14 of 14 races in the 1998 Grand Prix motorcycle racing season
Date	25 October 1998
Official name	Gran Premio Marlboro de Argentina[1]
Location	Autódromo Juan y Oscar Gálvez
Course	Permanent racing facility 4.350 km (2.703 mi)
500cc
Pole position Rider Mick Doohan Time 1:44.193 Fastest lap Rider Tadayuki Okada Time 1:44.122 on lap 24 Podium First Mick Doohan Second Tadayuki Okada Third Alex Barros
250cc
Pole position Rider Loris Capirossi Time 1:45.568 Fastest lap Rider Valentino Rossi Time 1:45.473 on lap 6 Podium First Valentino Rossi Second Loris Capirossi Third Olivier Jacque
125cc
Pole position Rider Roberto Locatelli Time 1:50.550 Fastest lap Rider Masao Azuma Time 1:49.917 on lap 21 Podium First Tomomi Manako Second Marco Melandri Third Lucio Cecchinello

The 1998 Argentine motorcycle Grand Prix was the last round of the 1998 Grand Prix motorcycle racing season. It took place on 25 October 1998 at the Autódromo Oscar Alfredo Gálvez in Buenos Aires.

This race was known as being the final 500 cc victory for Australian Mick Doohan.