The Half Distance Eagleman in Cambridge, Maryland, features a 1.2-mile swim in the Choptank River, starting and finishing at Gerry Boyle Park. Athletes will swim a counterclockwise rectangle, contending with a tidal current on the outbound leg and a favorable current on the return. The 56-mile bike course is flat with just 330 ft of elevation gain, winding through country roads and the Blackwater National Wildlife Refuge, with winds posing the main challenge. The 13.1-mile run course is a ...