IROC XXIX was the 29th season of the Crown Royal International Race of Champions , which began on Friday February 12, 2005 at Daytona International Speedway. The all-star roster included twelve drivers from eight premier racing series. Mark Martin dominated the season, winning two races and finishing well ahead in the points standings, earning him a record-setting fifth IROC title. As with IROC XXVIII, the drivers used their car colors and numbers from their native series (when feasible).
| Pos. | Driver | DAY | TEX | RCH | ATL | Pts |
|---|---|---|---|---|---|---|
| 1 | | 1 | 2 | 1 | 2 | 89 |
| 2 | | 2 | 4 | 5 | 1 | 68 |
| 3 | | 4 | 9 | 3 | 3 | 55 |
| 4 | | 5 | 3 | 4 | 7 | 46 |
| 5 | | 12 | 1 | 10 | 6 | 46 |
| 6 | | 9 | 11 | 2 | 12 | 43 |
| 7 | | 3 | 5 | 12 | 10 | 34 |
| 8 | | 7 | 7 | 7 | 5 | 34 |
| 9 | | 8 | 10 | 11 | 4 | 32 |
| 10 | | 6 | 6 | 9 | 9 | 30 |
| 11 | | 11 | 8 | 8 | 8 | 29 |
| 12 | | 10 | 12 | 6 | 11 | 22 |