The 1998 Brickyard 400, the 5th running of the event, was a NASCAR Winston Cup Series race held on August 1, 1998, at Indianapolis Motor Speedway in Speedway, Indiana. Contested over 160 laps on the 2.5-mile (4.0-kilometre) speedway, it was the 19th race of the 1998 NASCAR Winston Cup Series season. Jeff Gordon of Hendrick Motorsports won the race.