# IROC IX

IROC IX was the ninth year of IROC competition, which took place in 1985. It saw the use of the Chevrolet Camaro in all races, was the second straight season that television coverage was on CBS, and continued the format introduced in IROC VIII. Race one took place on the Daytona International Speedway, race two took place at Mid-Ohio, race three was rained out at Talladega Superspeedway, and race four concluded the year at Michigan International Speedway. Harry Gant won the championship and $158,200 in a tie-breaker with Darrell Waltrip.
The roster of drivers and final points standings were as follows:
| Rank | Driver | Points | Winnings | Series |
| 1 | Harry Gant | 45 | $158,200 | NASCAR Winston Cup Series 2nd in 1984 Winston Cup points |
| 2 | Darrell Waltrip | 45 | $80,400 | NASCAR Winston Cup Series 5th in 1984 Winston Cup points |
| 3 | Bobby Rahal | 40 | $55,100 | CART PPG IndyCar World Series 3rd in 1984 IndyCar points |
| 4 | Tom Sneva | 32 | $43,000 | CART PPG IndyCar World Series 2nd in 1984 IndyCar points |
| 5 | Terry Labonte | 31 | $39,300 | NASCAR Winston Cup Series 1984 Winston Cup Champion |
| 6 | Derek Bell | 31 | $30,000 | World Endurance Championship 4th in 1984 World Sportscar Championship |
| 7 | John Watson | 30 | $29,000 | FIA Formula One World Championship World Endurance Championship Winner of the 1984 Fuji 1000KM |
| 8 | Cale Yarborough | 29 | $27,400 | NASCAR Winston Cup Series Defending IROC Champion 1984 Daytona 500 winner |
| 9 | A. J. Foyt | 28 | $29,500 | CART PPG IndyCar World Series IROC III & IROC IV Champion |
| 10 | Jochen Mass | 27 | $23,000 | World Endurance Championship 2nd in 1984 World Sportscar Championship |
| 11 | Mario Andretti | 25 | $26,700 | CART PPG IndyCar World Series 1984 IndyCar Champion IROC VI champion |
| 12 | Tom Gloy | 13 | $20,000 | SCCA Trans-Am Series 1984 Trans-Am Champion |

## Race results
### Race One, Daytona International Speedway

Friday, February 15, 1985
| Finish | Grid | Car no. | Driver | Car Make | Car Color | Laps | Status | Laps Led | Points |
| 1 | 11 | 5 | Darrell Waltrip | Chevrolet Camaro | Light Blue | 40 | 0:32:55 | 1 | 23 (2) |
| 2 | 6 | 1 | Tom Sneva | Chevrolet Camaro | White | 40 | Flagged | | 17 |
| 3 | 9 | 4 | A. J. Foyt | Chevrolet Camaro | Cream | 40 | Flagged | 35 | 19 (5) |
| 4 | 4 | 8 | Derek Bell | Chevrolet Camaro | Orange | 40 | Flagged | | 12 |
| 5 | 12 | 7 | Harry Gant | Chevrolet Camaro | Blue | 40 | Flagged | | 10 |
| 6 | 7 | 3 | Cale Yarborough | Chevrolet Camaro | Pink | 40 | Flagged | 4 | 12 (3) |
| 7 | 8 | 17 | Jochen Mass | Chevrolet Camaro | Silver | 40 | Flagged | | 8 |
| 8 | 1 | 2 | John Watson | Chevrolet Camaro | Dark Blue | 40 | Flagged | | 7 |
| 9 | 3 | 12 | Bobby Rahal | Chevrolet Camaro | Red | 39 | Crash | | 6 |
| 10 | 5 | 6 | Terry Labonte | Chevrolet Camaro | Yellow | 39 | Flagged | | 5 |
| 11 | 10 | 11 | Tom Gloy | Chevrolet Camaro | Black | 15 | Crash | | 4 |
| 12 | 2 | 9 | Mario Andretti | Chevrolet Camaro | Orange Yellow | 5 | Mechanical | | 3 |
(5) Indicates 5 bonus points added to normal race points scored for leading the most laps. (3) Indicates 3 bonus points added to normal race points scored for leading the 2nd most laps (2) Indicates 2 bonus points added to normal race points scored for leading the 3rd most laps.
Average speed: 182.278 mph (293.348 km/h) Cautions: 1 (Lap 15, Tom Gloy accident in the tri-oval.) Margin of victory: 3 sec Lead changes: 3

### Race Two, Mid-Ohio Sports Car Course

Friday, June 8, 1985
| Finish | Grid | Car no. | Driver | Car Make | Car Color | Laps | Status | Laps Led | Points |
| 1 | 4 | 17 | Bobby Rahal | Chevrolet Camaro | Silver | 29 | 0:49:30 | 2 | 24 (3) |
| 2 | 5 | 7 | John Watson | Chevrolet Camaro | Blue | 29 | Flagged | | 17 |
| 3 | 1 | 3 | Mario Andretti | Chevrolet Camaro | Pink | 29 | Flagged | 27 | 19 (5) |
| 4 | 6 | 8 | Jochen Mass | Chevrolet Camaro | Orange | 29 | Flagged | | 12 |
| 5 | 9 | 2 | Derek Bell | Chevrolet Camaro | Dark Blue | 29 | Flagged | | 10 |
| 6 | 8 | 1 | Harry Gant | Chevrolet Camaro | White | 29 | Flagged | | 9 |
| 7 | 12 | 6 | Darrell Waltrip | Chevrolet Camaro | Yellow | 29 | Flagged | | 8 |
| 8 | 11 | 11 | Tom Sneva | Chevrolet Camaro | Black | 29 | Flagged | | 7 |
| 9 | 3 | 5 | Terry Labonte | Chevrolet Camaro | Powder Blue | 29 | Flagged | | 6 |
| 10 | 10 | 10 | A. J. Foyt | Chevrolet Camaro | Red | 29 | Flagged | | 5 |
| 11 | 2 | 18 | Tom Gloy | Chevrolet Camaro | Light Blue | 29 | Flagged | | 4 |
| 12 | 7 | 12 | Cale Yarborough | Chevrolet Camaro | Dark Red | 29 | Flagged | | 3 |
(5) Indicates 5 bonus points added to normal race points scored for leading the most laps. (3) Indicates 3 bonus points added to normal race points scored for leading the 2nd most laps (2) Indicates 2 bonus points added to normal race points scored for leading the 3rd most laps (Did not occur in this race so not awarded).
Average speed: 84.363 mph (135.769 km/h) Cautions: none Margin of victory: 2.4 sec Lead changes: 1

### Race Three, Talladega Superspeedway

This race was scheduled for Saturday July 27th, 1985 but was canceled due to rain

### Race Four, Michigan International Speedway

Saturday, August 10, 1985
| Finish | Grid | Car no. | Driver | Car Make | Car Color | Laps | Status | Laps Led | Points |
| 1 | 8 | 18 | Harry Gant | Chevrolet Camaro | Light Blue | 50 | 0:39:09 | 33 | 26 (5) |
| 2 | 10 | 5 | Terry Labonte | Chevrolet Camaro | Powder Blue | 50 | Flagged | 13 | 20 (3) |
| 3 | 9 | 12 | Cale Yarborough | Chevrolet Camaro | Dark Red | 50 | Flagged | | 14 |
| 4 | 1 | 2 | Darrell Waltrip | Chevrolet Camaro | Dark Blue | 50 | Flagged | 4 | 14 (2) |
| 5 | 2 | 1 | Bobby Rahal | Chevrolet Camaro | White | 50 | Flagged | | 10 |
| 6 | 6 | 11 | Derek Bell | Chevrolet Camaro | Black | 50 | Flagged | | 9 |
| 7 | 3 | 6 | Tom Sneva | Chevrolet Camaro | Yellow | 50 | Flagged | | 8 |
| 8 | 7 | 17 | Jochen Mass | Chevrolet Camaro | Silver | 50 | Flagged | | 7 |
| 9 | 4 | 8 | John Watson | Chevrolet Camaro | Orange | 50 | Flagged | | 6 |
| 10 | 11 | 3 | Tom Gloy | Chevrolet Camaro | Pink | 49 | Flagged | | 5 |
| 11 | 5 | 7 | A. J. Foyt | Chevrolet Camaro | Blue | 27 | Mechanical | | 4 |
| 12 | X | X | Mario Andretti | Chevrolet Camaro | Not Assigned | 0 | Did Not Start, Injured | | 3 |
(5) Indicates 5 bonus points added to normal race points scored for leading the most laps. (3) Indicates 3 bonus points added to normal race points scored for leading the 2nd most laps (2) Indicates 2 bonus points added to normal race points scored for leading the 3rd most laps.
Average speed: 153.257 mph (246.643 km/h) Cautions: none Margin of victory: 4 feet Lead changes: 8