Esther Nuñez Morera of Spain and Tiago Sato of Brazil are enjoying their birthday swims this week in Argentina on the FINA Open Water Swimming Grand Prix. After Sunday’s 57 km Maratón Acuática Internacional Santa Fe – Coronda, they have another marathon swim coming up this week, the 88 km Maratón Hernandarias-Paraná. Sore, tired, hungry […]