Mackinac Island Great Turtle Half Marathon & 5.7 Mile

Experience the 28th Anniversary of the Mackinac Island Great Turtle Half Marathon & 5.7 Mile on October 25, 2025, amidst the breathtaking beauty of Mackinac Island's fall foliage and scenic shoreline. Participants can choose between the half marathon or the 5.7-mile race, each offering a picturesque journey and the chance to receive a special Great Turtle garment and commemorative medal. After the race, immerse yourself in Halloween festivities in Mission Point and Downtown Mackinac Island, explore end-of-season sales, and embrace the island's tranquility. Completing 3 of the 4 RunMackinac events grants you a unique Trio medal. Join us for a weekend of fitness, fun, and community spirit!