At the 2007 World Championships she ranked 11th, with a combined lift of 250 kg.[1]
She represented Samoa at the 2008 Summer Olympics in Beijing, competing in the over 75kg category. She was also her country's flagbearer during the Games' opening ceremony.[3]
Opeloge finished fourth in her event, narrowly missing out on a bronze medal. She lifted 269 kg, matching her personal best, while Mariya Grabovetskaya of Kazakhstan lifted 270 kg to finish third.[5] In August 2016, the IWF reported in the IOC reanalysis of the 2008 Beijing Olympics that the silver and bronze medalists - Olha Korobka of Ukraine, and Mariya Grabovetskaya - had failed retests of their doping samples. The IWF later reallocated medals accordingly,[6] elevating Opeloge to become the silver medalist and also the first-ever Olympic medalist from Samoa.[7]
Opeloge is a celebrity in Samoa, "where children approach her in the supermarket for autographs".[5]
Opeloge won a gold at the 2010 Commonwealth Games in New Delhi, India in the +75 kg class with a Games record combined lift of 285 kg.[8][9] It was also Samoa's second gold medal in the history of the Games.[8]
Opeloge took 5th place in the London Olympics.[10] Her build up to the Olympics were disrupted by chicken pox and typhoid.[3]
Opeloge was the Samoan flagbearer for the 2014 Commonwealth Games,[11] as well as being one of the baton carriers as the Queen's baton made its way through Samoa.[3] At the Games she won the silver medal in the +75 kg category.[3]