The Sandusky Half Distance Triathlon offers a scenic and demanding race experience. The 1.2-mile swim starts with a rolling launch off the Kelleys Island Ferry into Sandusky Bay, with average water temperatures around 78°F. The swim finishes at Paper District Marina near transition. The 56-mile bike course is a flat, fast single loop through Erie and Sandusky Counties, with only 790 feet of elevation. The 13.1-mile run features a flat, two-loop route through downtown Sandusky—ideal for ...