Jannik Schaufler produced the quickest time in the mixed elite relay in Brazil as Germany clinched a narrow victory.

Schaufler's 17min 51sec helped her team beat the hosts as Céline Kaiser, Wilhelm Hirsch and Bianca Bogen also contributed to the overall time of 1hr 18min 45sec.

Brazil clocked in 12 seconds later after Giovanna Lacerda cut the deficit on the leaders to win silver alongside compatriots Antonio Bravo Neto, Luma Guillen and João Teixeira Alvares.

Switzerland's Fabian Meeusen, Livia Wespe, Pierre Moraz and Leana Bissig were pushed down to the bronze-medal position as they finished two seconds off the Brazilians.

In the women's individual race, Kaiser triumphed to claim a second gold medal as she completed the 750 metres swim, 20 kilometres cycle and five kilometres run in 59:24.

Italy's Asia Mercatelli and Magdalena Sudak of Poland came second and third respectively.

Mercatelli was five seconds off the pace while Sudak registered a time of 1:00:05.

Bravo Neto sealed home glory in the men's race in a photo finish as he and the United States' Darr Smith crossed the line after 53:35.

The Brazilian was in front by centimetres on the line as he clinched the win.

"Winning at home had a special taste, was a wonderful feeling!" he said.

Meeusen then found himself on the podium again as he won a second bronze in 53:39.