She was the first person to compete for Kiribati at the Olympic Games, when she represented her country at the 100 metre sprint in Athens in 2004.

[4] She was due to represent Kiribati again at the 2008 Summer Olympics in Beijing, competing in the 200 metre sprint,[5] but had to withdraw after contracting tuberculosis.

[6] She won gold in the long jump at the Micronesian Championships, in Koror in 2003.

[8] At the Kiribati National Games of 2006, Mwemweata won a bronze medal in the shot put, a silver medal in the high jump, and four gold medals in long jump, the 100 metre sprint, the 200 metre sprint and the triple jump.

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