Faatumu le fuaiupu lenei: I le 2016, na manumalo ai Curbelo i se pine auro ma Puerto Rico i le Centrobasket Under-15 Championship i Patillas, Puerto Rico ina ua uma ona averesi 16.5 togi, fitu rebounds ma 6.5 fesoasoani i le taʻaloga. I le 2017 FIBA Under-16 Americas Championship i Formosa, Atenitina, na ia averesi ai le taʻamilosaga-taʻitaʻia 21.8 togi, 7 rebounds, 3.2 fesoasoani ma 3.5 gaoi i le taʻaloga ma manumalo ai i le pine apamemea. Na tauva Curbelo i le 2018 FIBA Under-17 World Cup i Atenitina, lea na ia averesi ai 13.6 togi, 5.6 rebounds ma le taʻamilosaga maualuga 5.9 fesoasoani i le taʻaloga ma taʻitaʻia lana 'au i le isi pine apamemea. Na ia averesi 11.1 togi ma 5.6 fesoasoani i le taʻaloga i le
O le 2019 FIBA Under-19 World Cup i Heraklion, Eleni aʻo maeʻa Puerto Rico i le tulaga ono.