Circuito Aqua 2018 - Travessia Maravilhosa is a 1.5 km open water swimming competition held in Rio de Janeiro, Brazil that is part of the Circuito Aqua an open water swimming 4-race circuit including the Volta Do Parcel, Desafio Do Lago, Travessia Maravilhosa, and the Fuga Das Ilhas.
- 1.5 km Volta Do Parcel on 17 April in Juqueky São Sebastião, São Paolo
- 2 km Desafio Do Lago on 28 August in Lagoa Paranoã in Brasilia
- Travessia Maravilhosa on 9 October in Rio de Janeiro [distance TBD]
- 2 km Fuga Das Ilhas on 11 December in Barra do Saky, São Sebastião