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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.
The roster of drivers and final points standings were as follows: IROC season statistics at racing-reference.info
Retrieved March 9, 2007
(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:
Cautions: none
Margin of victory: 1 cl
Lead changes: 9
(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:
Cautions: 3
Margin of victory: 13.45 sec
Lead changes: 6 Lap Leader Breakdown
(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
(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:
Cautions: none
Margin of victory: 1.3 sec
Lead changes: 1 Lap Leader Breakdown
IROC XIII History - IROC Website
{{IROC Championship International Race of Champions 1989 in American motorsport
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.
The roster of drivers and final points standings were as follows: Retrieved March 9, 2007
Race results
Race One, Daytona International Speedway
Friday, February 17, 1989 (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:
Cautions: none
Margin of victory: 1 cl
Lead changes: 9
Race Two, Nazareth Speedway
Saturday, April 29, 1989 (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:
Cautions: 3
Margin of victory: 13.45 sec
Lead changes: 6 Lap Leader Breakdown
Race Three, Michigan International Speedway
Saturday, August 5, 1989 (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
Saturday, August 12, 1989 (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:
Cautions: none
Margin of victory: 1.3 sec
Lead changes: 1 Lap Leader Breakdown
Notes
# 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. # Geoff Brabham started from the back of the field in a back up car after an accident on the first lap.References
External links
IROC XIII History - IROC Website
{{IROC Championship International Race of Champions 1989 in American motorsport