Bayview Mackinac Changes Rating System

Published on January 17th, 2017

When the Bayview Mackinac Race made the shift in 2016 to use the ORR rating system for its longer Cove Island course (259 nautical miles), the race continued using PHRF for the shorter Shore course (204 nautical miles). However, in 2017 the 93rd edition of the race has eliminated PHRF from the Shore course in favor of ORR-EZ.

“The decision to use ORR-EZ was not an easy one for many reasons,” explained race chair Tricia Smotherman. “However, as the Mackinac Race Authority is charged with not only running the Race, but also protecting the viability of future races, we believe that ORR-EZ is the proper rating system for the Shore course of our Race.

“In a nutshell, ORR-EZ, like ORR, is primarily an objective rating system that considers speed potential based on boat and sail measurements, not the age of your sails, the condition of the boat’s bottom, the capability of your crew, or your salesmanship skills. Another influence includes a wind mix based on current and historical data.”

A seminar explaining ORR-EZ and ORR will be presented by Jim Teeters and Bjorn Johnson (Executive Director – Offshore Racing Association) at Bayview Yacht Club on March 3, 2017 at 1900 hours. The race starts on July 22.

Race website:

bayview mac course

Overview and close-up of the Cove Island and Shore Course for the Bell’s Beer Bayview Mackinac Race.

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