The Half Distance 70.3 Triathlon in Tours Métropole - Loire Valley France, offers athletes a scenic and historically rich experience. The event begins with a 1.9km (1.2-mile) one-loop swim in the River Cher, known for its mild temperature (66°F / 19°C), with enthusiastic spectators lining the river. The 90km (56-mile) flat bike course follows the banks of the River Cher, passing iconic landmarks such as the Château d'Ussé, famous for inspiring the Sleeping Beauty fairytale. The race ...