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IROC XIII

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IROC XIII
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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.

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

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

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Race results

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Race One, Daytona International Speedway

Friday, February 17, 1989

More information Finish, Grid ...

(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

Saturday, April 29, 1989

More information Finish, Grid ...

(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

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Race Three, Michigan International Speedway

Saturday, August 5, 1989

More information Finish, Grid ...

(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

More information Finish, Grid ...

(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

More information Driver, From Lap ...
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Notes

  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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