The following round was included on the original calendar but was later cancelled. The inaugural ALMS season consisted of 8 races. Six were carried over from the previous seasons
IMSA GT Championship which were 12 Hours of Sebring, Grand Prix of Atlanta, Mosport, Petit Le Mans, Laguna Seca and Las Vegas Motor Speedway. The only races not carried over were
Lime Rock Park which switched to the
USRRC schedule for
1999 and the second Sebring weekend. Sonoma and Portland joined the calendar to hold their first major endurance races since
1997 and
1994 respectively. Originally the season finale was supposed to be the San Diego Grand Prix held on a 1.5 mile Road course at the former
Naval Training Center. However, the season finale would eventually be moved to the Las Vegas Motor Speedway due to construction delays. ==Entry list==