At a distance of roughly 23 feet, the Key Colony Beach 7 Meter Bridge Run may be the Marathon area’s longest bridge run this year. Starting off with a gentle incline, the run levels off at about the 2-meter mark. From there it’s flat and hot with only one water station. At about the 5-meter mark the course starts a slight decline allowing runners to build up speed for the finish. The race attracts an average of 50runners from all over the neighborhood.