Half Distance Triathlon Elsinore, Denmark, one of the most scenic and historic triathlons in the world. The race begins with a 1.9 km (1.2 mile) swim in Elsinore Harbour, right in front of the iconic Kronborg Castle, famously known as the setting for Shakespeare's Hamlet. The swim course features an average water temperature of 63°F (17°C). After the swim, embark on a 90 km bike ride along Northern Sealand's stunning coastline. This rolling course, with minor ascents, takes you through the ...