IRONMAN 70.3 Portugal, an epic race located in the stunning coastal town of Cascais, Portugal. The swim portion takes place in the clear, turquoise waters of the Atlantic Ocean. Athletes will start on a beautiful sandy beach and swim a 1.9 km course that's perfect for beginners and experienced swimmers alike. Expect water temperatures to be around 18-20°C (64-68°F) in October, so wetsuits are recommended. After exiting the water, the bike course begins with a scenic tour of the coastal roads ...