Half Distance Triathlon São Paulo: A Thrilling Challenge in Brazil's Vibrant Heart Set in the dynamic metropolis of São Paulo, Brazil, this race is a must for athletes ready to push their limits. Swim: A Scenic Start in Guarapiranga Reservoir The triathlon begins with a 1.9-kilometer (1.2-mile) swim in the serene waters of the Guarapiranga Reservoir, surrounded by lush greenery and stunning views. With water temperatures averaging 24°C (75°F), it offers the perfect balance of challenge and ...