Complex sentence: Together with Anderson Oliveira he won a silver medal at the 2015 Pan American Games and placed 11th in the slalom doubles (C2) event at the 2016 Summer Olympics in Rio de Janeiro.
Split into simpler sentences: Together with Anderson Oliveira he won a silver medal at the 2015 Pan American Games. They finished 11th in the C2 event at the 2016 Summer Olympics in Rio de Janeiro.