IROC X was the tenth year of IROC competition, which took place in 1986. It saw the use of the Chevrolet Camaro in all races, it was the final 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 ran at Talladega Superspeedway, and race four concluded the year at Watkins Glen International. Al Unser Jr. won the championship and $164,100.
The roster of drivers and final points standings were as follows:[1]
Race results
Race One, Daytona International Speedway
Friday, February 14, 1986
| Finish | Grid | Car no. | Driver | Car Make | Car Color | Laps | Status | Laps Led | Points |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | 18 | Al Unser | Chevrolet Camaro | Light Blue | 40 | 0:33:04 | 10 | 26 (5) |
| 2 | 8 | 2 | Cale Yarborough | Chevrolet Camaro | Dark Blue | 40 | Flagged | 17 | |
| 3 | 12 | 17 | Bill Elliott | Chevrolet Camaro | Silver | 40 | Flagged | 14 | |
| 4 | 2 | 10 | Hurley Haywood | Chevrolet Camaro | Red | 40 | Flagged | 12 | |
| 5 | 5 | 22 | Klaus Ludwig | Chevrolet Camaro | Black | 40 | Flagged | 10 | |
| 6 | 7 | 8 | Hans-Joachim Stuck | Chevrolet Camaro | Orange | 39 | Flagged | 9 | |
| 7 | 11 | 19 | Darrell Waltrip | Chevrolet Camaro | Dark Red | 39 | Flagged | 8 | |
| 8 | 1 | 17 | Harry Gant | Chevrolet Camaro | Medium Blue | 32 | Fuel Pressure | 30 | 12 (3) |
| 9 | 6 | 1 | Rick Mears | Chevrolet Camaro | White | 25 | Crash | 6 | |
| 10 | 10 | 3 | Jochen Mass | Chevrolet Camaro | Pink | 4 | Crash | 5 | |
| 11 | 3 | 6 | Al Unser Jr. | Chevrolet Camaro | Yellow | 4 | Crash | 4 | |
| 12 | 9 | 5 | Bobby Rahal | Chevrolet Camaro | Powder Blue | 4 | Crash | 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: 181.452 mph (292.019 km/h)
Cautions: 2
Margin of victory: 40 feet
Lead changes: 1
Lap Leader Breakdown
| Driver | From Lap | To Lap | Number of Laps |
|---|---|---|---|
| Harry Gant | 1 | 30 | 30 |
| Al Unser | 31 | 40 | 10 |
Race Two, Mid-Ohio Sports Car Course
Saturday, June 7, 1986
| Finish | Grid | Car no. | Driver | Car Make | Car Color | Laps | Status | Laps Led | Points |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 10 | Al Unser Jr. | Chevrolet Camaro | Red | 29 | 0:49:53 | 29 | 26 (5) |
| 2 | 1 | 8 | Bobby Rahal | Chevrolet Camaro | Orange | 29 | Flagged | 17 | |
| 3 | 6 | 1 | Darrell Waltrip | Chevrolet Camaro | White | 29 | Flagged | 14 | |
| 4 | 10 | 7 | Bill Elliott | Chevrolet Camaro | Medium Blue | 29 | Flagged | 12 | |
| 5 | 12 | 2 | Al Unser | Chevrolet Camaro | Dark Blue | 29 | Flagged | 10 | |
| 6 | 5 | 6 | Harry Gant | Chevrolet Camaro | Yellow | 29 | Flagged | 9 | |
| 7 | 3 | 20 | Jochen Mass | Chevrolet Camaro | Purple | 29 | Flagged | 8 | |
| 8 | 7 | 17 | Hans-Joachim Stuck | Chevrolet Camaro | Silver | 29 | Flagged | 7 | |
| 9 | 8 | 18 | Klaus Ludwig | Chevrolet Camaro | Light Blue | 29 | Flagged | 6 | |
| 10 | 11 | 12 | Cale Yarborough | Chevrolet Camaro | Dark Red | 29 | Flagged | 5 | |
| 11 | 9 | 5 | Hurley Haywood | Chevrolet Camaro | Powder Blue | 29 | Flagged | 4 | |
| 12 | 4 | 22 | Rick Mears | Chevrolet Camaro | Black | 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 (Did not occur in this race so not awarded).
(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: 80.823 mph (130.072 km/h)
Cautions: none
Margin of victory: 2.87 sec
Lead changes: 0
Race Three, Talladega Superspeedway
Saturday, July 26, 1986
| Finish | Grid | Car no. | Driver | Car Make | Car Color | Laps | Status | Laps Led | Points |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 7 | 8 | Cale Yarborough | Chevrolet Camaro | Orange | 38 | 0:33:04 | 30 | 26 (5) |
| 2 | 6 | 2 | Harry Gant | Chevrolet Camaro | Dark Blue | 38 | Flagged | 17 | |
| 3 | 9 | 18 | Bill Elliott | Chevrolet Camaro | Light Blue | 38 | Flagged | 14 | |
| 4 | 8 | 20 | Darrell Waltrip | Chevrolet Camaro | Purple | 38 | Flagged | 12 | |
| 5 | 2 | 22 | Jochen Mass | Chevrolet Camaro | Black | 38 | Flagged | 10 | |
| 6 | 11 | 10 | Al Unser | Chevrolet Camaro | Red | 38 | Flagged | 9 | |
| 7 | 10 | 1 | Al Unser Jr. | Chevrolet Camaro | White | 38 | Flagged | 8 | |
| 8 | 1 | 7 | Rick Mears | Chevrolet Camaro | Blue | 38 | Flagged | 8 | 10 (3) |
| 9 | 4 | 6 | Hans-Joachim Stuck | Chevrolet Camaro | Yellow | 38 | Flagged | 6 | |
| 10 | 5 | 17 | Bobby Rahal | Chevrolet Camaro | Silver | 38 | Flagged | 5 | |
| 11 | 3 | 12 | Hurley Haywood | Chevrolet Camaro | Dark Red | 38 | Flagged | 4 | |
| 12 | 12 | 5 | Klaus Ludwig | Chevrolet Camaro | Powder Blue | 38 | 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: 183.411 mph (295.171 km/h)
Cautions: none
Margin of victory: 1 cl
Lead changes: 1
Lap Leader Breakdown
| Driver | From Lap | To Lap | Number of Laps |
|---|---|---|---|
| Rick Mears | 1 | 8 | 8 |
| Cale Yarborough | 9 | 38 | 30 |
Race Four, Watkins Glen International
Saturday, August 9, 1986
| Finish | Grid | Car no. | Driver | Car Make | Car Color | Laps | Status | Laps Led | Points |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | 6 | Al Unser Jr. | Chevrolet Camaro | Yellow | 30 | 0:40:05 | 14 | 24 (3) |
| 2 | 3 | 1 | Bill Elliott | Chevrolet Camaro | White | 30 | Flagged | 1 | 19 (2) |
| 3 | 6 | 17 | Darrell Waltrip | Chevrolet Camaro | Silver | 30 | Flagged | 14 | |
| 4 | 7 | 2 | Bobby Rahal | Chevrolet Camaro | Dark Blue | 30 | Flagged | 12 | |
| 5 | 12 | 7 | Klaus Ludwig | Chevrolet Camaro | Medium Blue | 30 | Flagged | 10 | |
| 6 | 1 | 18 | Cale Yarborough | Chevrolet Camaro | Light Blue | 30 | Flagged | 9 | |
| 7 | 10 | 20 | Hurley Haywood | Chevrolet Camaro | Purple | 30 | Flagged | 8 | |
| 8 | 9 | 8 | Hans-Joachim Stuck | Chevrolet Camaro | Orange | 30 | Flagged | 7 | |
| 9 | 11 | 10 | Rick Mears | Chevrolet Camaro | Red | 30 | Flagged | 6 | |
| 10 | 8 | 4 | Jochen Mass | Chevrolet Camaro | Mauve | 29 | Flagged | 5 | |
| 11 | 4 | 5 | Harry Gant | Chevrolet Camaro | Powder Blue | 29 | Flagged | 4 | |
| 12 | 2 | 11 | Al Unser | Chevrolet Camaro | Dark Red | 18 | Crash | 15 | 8 (5) |
(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: 109.078 mph (175.544 km/h)
Cautions: none
Margin of victory: 3 cl
Lead changes: 3
Lap Leader Breakdown
| Driver | From Lap | To Lap | Number of Laps |
|---|---|---|---|
| Al Unser | 1 | 15 | 15 |
| Bill Elliott | 16 | 16 | 1 |
| Al Unser Jr | 17 | 30 | 14 |
Notes
- Klaus Ludwig and Hans Stuck tied for eighth place in the championship standings, but Ludwig was awarded the position due to a higher finishing position in the final race. Klaus Ludwig was scheduled to start fourth in the final race, but was moved to the back of the grid for not practicing.
- Hurley Haywood and Jochen Mass tied for tenth place, but Haywood was awarded the position due a higher finish in the final race.
References
- ^ IROC season statistics at racing-reference.info Archived 2007-03-14 at the Wayback Machine, Retrieved March 9, 2007