Maratona do Rio (Rio de Janeiro Marathon)
Race Day Weather
Warm start
A warm 71°F start means heat management is critical — consider dialing back your goal pace by 10-20 sec/mi. Light winds shouldn't be a major factor for pacing. Moderate humidity at 78% is worth noting for effort level, especially in later miles.
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Race Info
Maratona do Rio, established in 1979, is Brazil's top city marathon, starting at Praia da Reserva and finishing at Aterro do Flamengo. The course treats runners to iconic views of Copacabana, Ipanema, and Leblon beaches, with a rolling profile and moderate hills totaling about 280 meters of elevation gain. Its road surfaces take you past scenic landmarks like Sugarloaf Mountain and Christ the Redeemer.