[2] Obelenyte started training Jiu-Jitsu at 9 years old in a Gracie Humaitá Affiliate in New Jersey after being bullied in elementary school.

[3] After receiving her orange belt she trained under legendary jiu-jitsu pioneer and world champion Emily Kwok in Maryland who then took her to the Marcelo Garcia Academy in New York.

[4] As a black belt she won double gold in her weight and in the open class division at the 2016 IBJJF World Championship, the first rookie black belt and the first European to win double gold at that tournament.

[4] In 2017 following a shoulder injury, Obelenyte announced that she was taking some time off from competing to focus on her studies at Columbia University.

[5] Main Achievements at black belt level:[2] Main Achievements (Coloured Belts):[2] Helio Gracie > Rolls Gracie > Romero Cavalcanti > Fabio Gurgel > Marcelo Garcia > Dominyka Obelenyte[2]