Half Distance Switzerland Triathlon: Your Ultimate Challenge Awaits! Dive into the pristine waters of the Obersee for an exhilarating 1.9 km (1.2 mile) swim, just steps from the stadium. Navigate the crystal-clear, clockwise course, keeping buoys on your right. With wetsuits mandatory up to 18.9°C, you'll be prepared for any conditions. Conquer the two-loop, 90 km (56 mile) bike course that leads you through breathtaking hills around the Obersee. Ride past the picturesque Rickengebiet via ...