IROC XXIII was the twenty-third season ofIROC, the (InternationalRaceOfChampions), which started on February 12, 1999. The series used identically preparedPontiac Firebird Trans Am race cars, and the contested races were held atDaytona International Speedway,Talladega Superspeedway,Michigan International Speedway, andIndianapolis Motor Speedway.Dale Earnhardt won the first three races of the season, including two last lap passes at Daytona and Talladega, and beating his sonDale Earnhardt Jr. at Michigan in a photo finish, to win the championship and $225,000.

The roster of drivers and final points standings were as follows:

Position	Driver	Points	Winnings	Series
1	Dale Earnhardt	75	$225,000	NASCAR Winston Cup
2	Mark Martin	74	$100,000	NASCAR Winston Cup
3	Bobby Labonte	53	$60,000	NASCAR Winston Cup
4	Rusty Wallace	50	$50,000	NASCAR Winston Cup
5	Jeff Gordon	49	$45,000	NASCAR Winston Cup
6	Kenny Bräck	34	$40,000	Indy Racing League
7	Eddie Cheever	31	$40,000	Indy Racing League
8	Dale Jarrett	30	$40,000	NASCAR Winston Cup
9	Dale Earnhardt Jr.	29	$40,000	NASCAR Busch Series
10	Adrian Fernandez1	28	$40,000	FedEx CART World Series
11	Jeff Burton	26	$40,000	NASCAR Winston Cup
12	Greg Moore	25	$40,000	FedEx CART World Series

1. Dale Earnhardt
2. Bobby Labonte
3. Mark Martin
4. Kenny Bräck
5. Greg Moore
6. Jeff Gordon
7. Adrian Fernandez
8. Dale Jarrett
9. Rusty Wallace
10. Dale Earnhardt Jr.
11. Eddie Cheever
12. Jeff Burton

1. Dale Earnhardt
2. Rusty Wallace
3. Mark Martin
4. Jeff Gordon
5. Kenny Bräck
6. Adrian Fernandez
7. Bobby Labonte
8. Eddie Cheever
9. Greg Moore
10. Dale Jarrett
11. Jeff Burton
12. Dale Earnhardt Jr.

1. Dale Earnhardt
2. Dale Earnhardt Jr.
3. Rusty Wallace
4. Bobby Labonte
5. Mark Martin
6. Jeff Burton
7. Jeff Gordon
8. Kenny Bräck
9. Greg Moore
10. Adrian Fernandez
11. Dale Jarrett
12. Eddie Cheever

1. Mark Martin
2. Jeff Gordon
3. Eddie Cheever
4. Bobby Labonte
5. Rusty Wallace
6. Dale Jarrett
7. Jeff Burton
8. Dale Earnhardt
9. Dave Marcis *
10. Kenny Bräck
11. Dale Earnhardt Jr.
12. Greg Moore

• 1. Dave Marcis drove for Adrian Fernandez in the last race in Indianapolis.

• Racing-Reference 1999 IROC Drivers and StandingsArchived 2012-10-21 at theWayback Machine
• 1999 IROC Drivers Announced