IROC XXIV was the twenty-fourth season of the International Race of Champions, which started on February 18, 2000. The series used identically prepared Pontiac Firebird Trans Am race cars, and contested races at Daytona International Speedway, Talladega Superspeedway, Michigan International Speedway, and Indianapolis Motor Speedway. Dale Earnhardt won $225,000 and his second consecutive championship, and his fourth and final overall.
The roster of drivers and final points standings were as follows:
| Position | Driver | Points | Winnings | Series |
|---|---|---|---|---|
| 1 |  Dale Earnhardt |
74 | $225,000 | NASCAR Winston Cup |
| 2 | Mark Martin |
71 | $100,000 | NASCAR Winston Cup |
| 3 | Tony Stewart |
57 | $60,000 | NASCAR Winston Cup |
| 4 | Bobby Labonte |
52 | $50,000 | NASCAR Winston Cup |
| 5 | Eddie Cheever |
46 | $45,000 | Indy Racing League |
| 6 | Jeff Gordon |
37 | $40,000 | NASCAR Winston Cup |
| 7 | Jeff Burton |
35 | $40,000 | NASCAR Winston Cup |
| 8 | Rusty Wallace |
31 | $40,000 | NASCAR Winston Cup |
| 9 | Dale Jarrett |
31 | $40,000 | NASCAR Winston Cup |
| 10 | Dale Earnhardt Jr. |
29 | $40,000 | NASCAR Winston Cup |
| 11 | Greg Ray |
23 | $40,000 | Indy Racing League |
| 12 | Mark Dismore |
15 | $40,000 | Indy Racing League |