Train Smart for the Ohio Half Distance Triathlon with a 36-Week Plan Built for Success The Ohio Half Distance Triathlon offers a scenic, fast, and unique race experience. Athletes begin with a 1.2-mile swim featuring a rolling start off the Kelleys Island Ferry into Sandusky Bay (average temp: 78°F), finishing at the Paper District Marina. The 56-mile bike course delivers a flat, wind-friendly ride through Erie and Sandusky Counties, with just 790 feet of elevation—ideal for consistent pacing. ...