Registration is officially open for the 2025 Ultra Mac, the ultimate Great Lakes challenge—an extraordinary offshore race held only once every 25 years. This rare edition marks the Chicago Yacht Club’s 150th anniversary and features a demanding 548-nautical-mile course starting July 12, 2025. The race begins with the Bayview Mackinac Race, winds past iconic Mackinac Island, and finishes in Chicago.
Don’t miss this once-in-a-generation sailing event. CLICK HERE to register or learn more at the2025ultramac.com.