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Mackinac Race History in the 1990s


IMS, PHRF, and Cove Island's last hurrah
"On the way to the 85th sailing"

During this decade the International Offshore Rule (IOR) was in its last gasps while being replaced by the International Measurement Rule (IMS) and the Performance Handicap Racing Fleet rating (PHRF). The larger boat one design and new level racing classes were becoming popular such as the J-120s, One Design 50s, and the Great Lake 70s. Based on the famous Santa Cruz 70s that were designed for the California to Hawaii Transpac Race, the GL70s epitomized these large size boats with their ability to go fast downwind in heavy air. more

History  Sailing  

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