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- Bobby Unser Collection--Photographs--Racing--1976 IROC--Item2 - The International Race of Champions series was introduced in 1973 as motorsport's version of an all-star game. The best drivers from various types of racing competed together on the same track in identical cars. Given the frequent oval track format, NASCAR and Indy drivers dominated. Bobby Unser won the 1975 IROC championship. The last IROC series took place in 2006.

- 1976
- Collections - Artifact
Bobby Unser Collection--Photographs--Racing--1976 IROC--Item2
The International Race of Champions series was introduced in 1973 as motorsport's version of an all-star game. The best drivers from various types of racing competed together on the same track in identical cars. Given the frequent oval track format, NASCAR and Indy drivers dominated. Bobby Unser won the 1975 IROC championship. The last IROC series took place in 2006.
- Bobby Unser Collection--Photographs--Racing--1975 IROC--Item1 - The International Race of Champions series was introduced in 1973 as motorsport's version of an all-star game. The best drivers from various types of racing competed together on the same track in identical cars. Given the frequent oval track format, NASCAR and Indy drivers dominated. Bobby Unser won the 1975 IROC championship. The last IROC series took place in 2006.

- 1975
- Collections - Artifact
Bobby Unser Collection--Photographs--Racing--1975 IROC--Item1
The International Race of Champions series was introduced in 1973 as motorsport's version of an all-star game. The best drivers from various types of racing competed together on the same track in identical cars. Given the frequent oval track format, NASCAR and Indy drivers dominated. Bobby Unser won the 1975 IROC championship. The last IROC series took place in 2006.
- Bobby Unser Collection--Photographs--Racing--1976 IROC--Item1 - The International Race of Champions series was introduced in 1973 as motorsport's version of an all-star game. The best drivers from various types of racing competed together on the same track in identical cars. Given the frequent oval track format, NASCAR and Indy drivers dominated. Bobby Unser won the 1975 IROC championship. The last IROC series took place in 2006.

- 1976
- Collections - Artifact
Bobby Unser Collection--Photographs--Racing--1976 IROC--Item1
The International Race of Champions series was introduced in 1973 as motorsport's version of an all-star game. The best drivers from various types of racing competed together on the same track in identical cars. Given the frequent oval track format, NASCAR and Indy drivers dominated. Bobby Unser won the 1975 IROC championship. The last IROC series took place in 2006.