The IRONMAN Sao Paulo 70.3 offers a demanding route that winds through the city’s core. The event commences with a one-lap swim at the University of São Paulo (USP), set in the picturesque Guarapiranga Reservoir.
Following the swim, participants embark on a 90-kilometer (56-mile) bike ride, comprised of two loops, beginning and concluding at the USP. This segment leads athletes along key city thoroughfares and highways, including Lineu de Paula Machado Avenue, Avenida Juscelino Kubitschek, and Professor Moraes Rego Avenue, offering a flat and swift course.
The running portion, a 21.1-kilometer (13.1-mile) three-loop course, is equally flat and quick. Starting and finishing at the USP, it guides athletes through various city parks and neighborhoods, including Ibirapuera Park, Parque da Cidade, and the Cidade Universitária area. This layout provides participants with a unique opportunity to experience the vibrancy and diversity of São Paulo’s urban landscape.
In September, Sao Paulo, Brazil, experiences warm temperatures and significant rainfall as the city transitions into spring. Daytime temperatures typically average around 26°C (79°F), with evenings cooling down to about 15°C (59°F). The city generally receives high rainfall during this month, averaging around 102 mm over approximately 13 days.
The daily high temperatures in São Paulo in September are around 24°C (75°F), seldom falling below 17°C (63°F) or exceeding 31°C (87°F). The daily low temperatures see a slight increase from 14°C (58°F) to 16°C (61°F), rarely dropping below 12°C (53°F) or going over 19°C (66°F).
The average water temperature of the Guarapiranga Reservoir in Sao Paulo, Brazil in September is 22°C (72°F).
