IROC XIII was the thirteenth year of IROC competition, which took place in 1989. it saw the use of the Chevrolet Camaro in all races for the final year, and continued the format introduced in IROC VIII. Race one took place on the Daytona International Speedway, race two took place at Nazareth Speedway, race three ran at Michigan International Speedway, and race four concluded the year at Watkins Glen International. Terry Labonte won the series championship and $204,900.

Terry Labonte (seen in 1997), the IROC XIII champion

The roster of drivers and final points standings were as follows: [1]

Rank Driver Points Winnings Series
1 United States Terry Labonte 72 $204,900 NASCAR Winston Cup Series
4th in 1988 Winston Cup points
2 United States Al Unser Jr. 60 $92,500 CART PPG IndyCar World Series
2nd in 1988 IndyCar points
2 time and defending IROC Champion
3 United States Rusty Wallace 58 $66,200 NASCAR Winston Cup Series
2nd in 1988 Winston Cup points
4 United States Dale Earnhardt 57 $58,900 NASCAR Winston Cup Series
3rd in 1988 Winston Cup points
3 time Winston Cup champion
5 United States Scott Pruett 51 $55,700 IMSA Camel GTO
1988 GTO Champion
1988 24 Hours of Daytona GTO winner
6 United States Bill Elliott 38 $52,000 NASCAR Winston Cup Series
1988 Winston Cup champion
2 time Daytona 500 winner
7 United States A. J. Foyt 36 $54,000 CART PPG IndyCar World Series
4 time Indianapolis 500 winner
7 time IndyCar Champion
IROC III & IROC IV champion
8 United States Danny Sullivan 35 $49,400 CART PPG IndyCar World Series
1988 IndyCar champion
1985 Indianapolis 500 winner
9 United States Hurley Haywood 31 $46,000 SCCA Trans-Am Series
1988 Trans-Am Champion
10 Australia Geoff Brabham 1 24 $44,400 IMSA Camel GTP
1988 GTP Champion
2 time 24 Hours of Le Mans winner
11 United States Rick Mears 1 24 $42,100 CART PPG IndyCar World Series
3 time Indianapolis 500 winner
3 time IndyCar Champion
4th in 1988 IndyCar points
12 United States Richard Petty 16 $40,400 NASCAR Winston Cup Series
7 time Winston Cup Champion
7 time Daytona 500 winner
Most ever NASCAR Cup race victories (200)

Race results

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Race One, Daytona International Speedway

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Friday, February 17, 1989

Finish Grid Car
no.
Driver Car Make Car Color Laps Status Laps
Led
Points
1 12 12   Rusty Wallace Chevrolet Camaro
Dark Blue
40 0:32:37 5 23 (2)
2 5 5   Terry Labonte Chevrolet Camaro
Aqua
40 Flagged 6 20 (3)
3 7 7   Dale Earnhardt Chevrolet Camaro
White
40 Flagged 20 19 (5)
4 10 10   Al Unser Jr. Chevrolet Camaro
Lime
40 Flagged 5 14 (2)
5 3 3   Bill Elliott Chevrolet Camaro
Powder Blue
40 Flagged 10
6 9 9   Hurley Haywood Chevrolet Camaro
Yellow
40 Flagged 9
7 2 2   A. J. Foyt Chevrolet Camaro
Pink
40 Flagged 8
8 1 1   Rick Mears Chevrolet Camaro
Rose
40 Flagged 1 7
9 6 6   Richard Petty Chevrolet Camaro
Orange
40 Flagged 3 6
10 8 8   Scott Pruett Chevrolet Camaro
Red
40 Flagged 5
11 11 11   Geoff Brabham Chevrolet Camaro
Silver
40 Flagged 4
12 4 4   Danny Sullivan Chevrolet Camaro
Blue
39 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.

Average speed: 183.955 mph (296.047 km/h)
Cautions: none
Margin of victory: 1 cl
Lead changes: 9

Race Two, Nazareth Speedway

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Saturday, April 29, 1989

Finish Grid Car
no.
Driver Car Make Car Color Laps Status Laps
Led
Points
1 1 12   Danny Sullivan Chevrolet Camaro
Red
75 0:45:40 14 23 (2)
2 3 10   Scott Pruett Chevrolet Camaro
Pink
75 Flagged 17 20 (3)
3 11 1   Rusty Wallace Chevrolet Camaro
White
75 Flagged 4 14
4 9 4   Al Unser Jr. Chevrolet Camaro
Light Blue
75 Flagged 12
5 4 7   A. J. Foyt Chevrolet Camaro
Rose
75 Flagged 40 15 (5)
6 10 2   Terry Labonte Chevrolet Camaro
Dark Blue
74 Flagged 9
7 8 3   Dale Earnhardt Chevrolet Camaro
Dark Orange
74 Flagged 8
8 12 11   Geoff Brabham 2 Chevrolet Camaro
Yellow
74 Flagged 7
9 7 6   Hurley Haywood Chevrolet Camaro
Light Orange
74 Flagged 6
10 5 8   Rick Mears Chevrolet Camaro
Cream
74 Flagged 5
11 6 5   Bill Elliott Chevrolet Camaro
Silver
73 Flagged 4
12 2 9   Richard Petty Chevrolet Camaro
Blue
73 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. Average speed: 98.54 mph (158.58 km/h)
Cautions: 3
Margin of victory: 13.45 sec
Lead changes: 6

Lap Leader Breakdown

Driver From
Lap
To
Lap
Number
of Laps
Danny Sullivan 1 1 1
Scott Pruett 2 15 14
A. J. Foyt 18 36 19
Rusty Wallace 37 40 4
A. J. Foyt 41 59 19
Scott Pruett 60 62 3
Danny Sullivan 63 75 13

Race Three, Michigan International Speedway

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Saturday, August 5, 1989

Finish Grid Car
no.
Driver Car Make Car Color Laps Status Laps
Led
Points
1 11 2   Terry Labonte Chevrolet Camaro
Light Blue
50 0:37:54 33 26 (5)
2 10 3   Dale Earnhardt Chevrolet Camaro
Pink
50 Flagged 9 20 (3)
3 12 1   Rusty Wallace Chevrolet Camaro
Dark Blue
50 Flagged 3 14
4 4 9   Bill Elliott Chevrolet Camaro
Aqua
50 Flagged 12
5 7 6   Al Unser Jr. Chevrolet Camaro
Red
50 Flagged 10
6 8 5   Scott Pruett Chevrolet Camaro
Tan
50 Flagged 9
7 6 7   A. J. Foyt Chevrolet Camaro
Orange
50 Flagged 8
8 5 8   Hurley Haywood Chevrolet Camaro
Lime
50 Flagged 7
9 3 10   Rick Mears Chevrolet Camaro
Powder Blue
50 Flagged 6
10 9 4   Danny Sullivan Chevrolet Camaro
Yellow
50 Flagged 5
11 1 12   Richard Petty Chevrolet Camaro
Silver
50 Flagged 1 4
12 2 11   Geoff Brabham Chevrolet Camaro
White
50 Flagged 4 5 (2)

(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: 158.343 mph
Cautions: none
Margin of victory: .47 sec
Lead changes: 8

Race Four, Watkins Glen International

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Saturday, August 12, 1989

Finish Grid Car
no.
Driver Car Make Car Color Laps Status Laps
Led
Points
1 4 4   Al Unser Jr. Chevrolet Camaro
Dark Blue
30 0:39:08 20 26 (5)
2 5 5   Scott Pruett Chevrolet Camaro
Black
30 Flagged 17
3 1 1   Terry Labonte Chevrolet Camaro
Cream
30 Flagged 10 17 (3)
4 8 8   Bill Elliott Chevrolet Camaro
Rose
30 Flagged 12
5 3 3   Dale Earnhardt Chevrolet Camaro
Purple
30 Flagged 10
6 9 9   Hurley Haywood Chevrolet Camaro
Yellow
30 Flagged 9
7 12 11   Geoff Brabham Chevrolet Camaro
Red
30 Flagged 8
8 2 2   Rusty Wallace Chevrolet Camaro
Powder Blue
30 Flagged 7
9 10 10   Rick Mears Chevrolet Camaro
White
29 Flagged 6
10 6 6   A. J. Foyt Chevrolet Camaro
Light Blue
28 Flagged 5
11 7 7   Danny Sullivan Chevrolet Camaro
Blue
27 Flagged 4
12 11 12   Richard Petty Chevrolet Camaro
Orange
17 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: 111.68 mph (179.73 km/h)
Cautions: none
Margin of victory: 1.3 sec
Lead changes: 1

Lap Leader Breakdown

Driver From
Lap
To
Lap
Number
of Laps
Terry Labonte 1 10 10
Al Unser Jr. 11 30 20

Notes

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  1. Geoff Brabham and Rick Mears tied for tenth place in the championship standings, but Brabham was awarded the position due to a higher finishing position in the final race.
  2. Geoff Brabham started from the back of the field in a back up car after an accident on the first lap.

References

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  1. ^ IROC season statistics at racing-reference.info Archived 2007-03-16 at the Wayback Machine, Retrieved March 9, 2007
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