1998 / IMSA SportsCar
Mar
22
1998 IMSA Sebring 12 Hours
Sebring International Raceway
Apr
26
1998 IMSA Las Vegas 3h45min
Las Vegas Motor Speedway
May
25
1998 IMSA Lime Rock GT
Lime Rock Park
May
25
1998 IMSA Lime Rock WSC
Lime Rock Park
Jun
21
1998 IMSA Road Atlanta
Road Atlanta Motorsport Center
Aug
9
1998 IMSA Mosport
Mosport Park
Sep
19
1998 IMSA Sebring 3 Hours
Sebring International Raceway
Oct
10
1998 IMSA Petit Le Mans
Road Atlanta Motorsport Center
Oct
25
1998 IMSA Laguna Seca
Laguna Seca Raceway