Half Distance Triathlon – Buenos Aires, Argentina - Experience the vibrant capital of Argentina, known for its rich culture, excellent roads, and ideal race conditions. Swim: A 1.9 km, two-loop course in Lago Regatas, offering calm and warm waters (avg. 64°F/18°C). Bike: A fast, flat 90 km ride on a three-loop course along the iconic Buenos Aires Highway. Run: A scenic 21.1 km route through Palermo’s gently undulating streets, leading to an exciting finish. Race Day Weather: Expect ...