Ana Marcela Cunha (World OWS Champions) is going to race head to head with Sharon Van Rouwendal (Olympic 10km Marathon Swim Champion) across the Rio Negro in Amazonia.
Full details can be found on www.rionegrochallenge.com.br
Ana Marcela Cunha (World OWS Champions) is going to race head to head with Sharon Van Rouwendal (Olympic 10km Marathon Swim Champion) across the Rio Negro in Amazonia.
Full details can be found on www.rionegrochallenge.com.br