She was part of the Nigerian side that won gold at the Afrobasket 2017 championship in Mali. She averaged the team's high 3.9 assists per game. She was also a member of the tournament's top ten players. Elonu emerged captain of the Nigeria Women's National Basketball Team on 10 August while the team camped in Atlanta in preparation for the 2018 FIBA Women's World Cup. During the 2018 FIBA Women's Basketball World Cup, she averaged 7.4 points, 4.6 rebounds and 2.1 assists per game.