Gear Up for an Active Summer with the 15th Annual Mackinaw Memorial Bridge Run! Being one of the only two unique opportunities runners' are allowed to experience the beauty of the Mackinaw area in this annual run across the "Mighty Mac", held this year on May 26, 2018, from 6 a.m. - 12 noon. This is a unique opportunity as only two times a year runners are allowed to run the "Mighty Mac", the other opportunity being the Fall Colors Bridge Run held in October. Runners must register in advance and be able to run a minimum of 12 minutes per mile to race in the event. Click HERE to Register and for more information, or call or email the Mackinaw Area Visitors Bureau at (231) 436-5664 and email@example.com. Get your summer started right, register today!