Issamade Asinga broke the world under-20 men's 100m record to win the gold medal at the South American Athletics Championships in São Paulo ©World Athletics

Suriname’s teenage sensation Issamade Asinga completed a stunning sprint double at the South American Athletics Championships in São Paulo where hosts Brazil dominated.

The 18-year-old sprinter underlined his burgeoning talent when he powered to men’s 100 metres gold in record-breaking fashion at the National Olympic Centre in Brazil's biggest city.

A sensational time of 9.89sec saw Asinga lower the world under-20 record of 9.91 set by Botswana’s Letsile Tebogo last year and break the senior South American record of 10.00 that had been held by Brazilian Robson da Silva since 1988, the same year that he reached the final in the event at the Olympics in Seoul. 

The other two medallists also dipped under 10 seconds as Brazil’s Erik Cardoso crossed the line in 9.97 for silver and Colombia’s Ronal Longa registered 9.99 for bronze.

Asinga sealed his second gold when he broke the Championship record in the men’s 200m final with a time of 20.19.

Panama’s Alonso Edward, a 2009 World Championship silver medallist who is 15 years older than Asinga, came home in second in 20.30, with Paraguay’s César Almirón finishing in 20.49 for bronze.

"I’ve enjoyed my time in São Paulo, and the city now holds a special place in my heart, because I was able to do historic things here," said Asinga.

"It was a great weekend.

"I have been very busy, and it was a great way to cap it off [with another victory].

"I came here to win, and I was able to get the job done.

"Now there is a good momentum to take into the World Championships and get the best result possible."

Asinga’s two golds were Suriname’s only medals in São Paulo as Brazil had three days to remember on home soil.

They topped the overall standings with 44 medals, including 19 golds, 15 silvers and 10 bronzes.

Vitória Cristina Rosa was among the gold medal winners as she clocked a Championship record time of 11.17 to win the women’s 100m title.

Rosa was part of the Brazilian team that struck women’s 4x100m relay gold in 43.47.

Vitória Cristina Rosa claimed the women's 100m title as hosts Brazil won 19 golds in Sao Paulo ©Getty Images
Vitória Cristina Rosa claimed the women's 100m title as hosts Brazil won 19 golds in Sao Paulo ©Getty Images

Flávia de Lima clinched women’s 800m gold in 2:01.82, while Caroline de Melo won the women’s 100m hurdles final in 13.26 and Chayenne da Silva secured the women’s 400m hurdles title in 55.90.

Tatiane Raquel da Silva overcame fellow Brazilian Simone Ponte Ferraz with a time of 9:55.73 to seal women’s 3,000m steeplechase gold.

There was more hurdles success for Brazil in the men’s competition, with Eduardo de Deus and Mattheus Lima da Silva claiming the respective 110m and 400m hurdles titles.

Eduardo Ribeiro Moreira crossed the line in 1:47.12 to win the men’s 800m crown, while Brazil also won men’s 4x100m relay gold in 38.70.

There was also joy for Brazil on the field, with Valdileia Martins winning the women’s high jump title, Juliana de Menis Campos triumphing in the women’s pole vault and Eline Martins coming out on top in the women’s long jump.

Gabriele Santos secured the women’s triple jump crown, while Izabela da Silva earned women’s discus throw gold.

Pedro Henrique Nunes Rodrigues delivered another gold for Brazil in the men’s javelin throw, while Almir dos Santos and Welington Morias won the men’s triple jump and shot put titles respectively.

Jose Fernando Ferreira Santana was the other Brazilian gold medallist, racking up 8,058 points to seal the men’s decathlon title.

Colombia placed second in the medal table, with Martha Araujo Sinisterra winning one of their seven golds courtesy of her women’s heptathlon success after registering 5,785 points.

Other highlights at the Championships included Argentina's Fedra Aldana Luna Sambrán winning both the women’s 800m and 1500m titles.