HALF DISTANCE TRIATHLON WARSAW Swim (1.9km): Takes place at Lake Zegrzynski near Nieporęt Port with a rolling start from the beach. Expect calm, warm water with an average air temperature of 73°F (23°C). Bike (90km): Flat and fast course leading to transition zone 2 in the city center, passing landmarks like the Warsaw Citadel, Old Town, Royal Castle, and National Stadium. Run (21.1km): Central city route showcasing Old Town and sights such as Krakowskie Przedmieście, Presidential Palace, ...