IRONMAN PORTUGAL - CASCAIS offers a thrilling and picturesque triathlon experience in one of Portugal's most stunning coastal destinations. The event boasts a swim course with an average water temperature of 62°F / 17°C, featuring a rolling swim start that adds an exciting dynamic to the competition. The 3.8km swim takes athletes along a single loop course, navigating the protected waters of Cascais Bay. Starting at the scenic Praia da Ribeira, participants traverse the bay and culminate ...