In 2011 while studying at Université Nice-Sophia-Antipolis he won the French university boxing championship in the under-75 kg category.[1] In 2012 he came second in the under-81 kg category.[1] In 2013 he was champion in the under-88 kg category.[4] In 2014 he won again in the light heavyweight category.[2]
At the 2015 Pacific Games in Port Moresby he won silver as a middleweight. At the 2019 Pacific Games in Apia he won bronze in the light heavyweight category.[5]
In September 2025, Nena competed in the Elite Oceania Boxing Championships, securing a victory over Australia's Malakai Katene.[6][7] In December 2025, he represented French Polynesia at the IBA Men's World Boxing Championships in the light heavyweight division. He won his opening match against Harassiya Waththe Rathnasiri of Sri Lanka on a 4:0 points decision.[8]
French Polynesia
