He is on the books of Stjarnan Gardabaer Women and wears shirt number 15. His main role on the pitch is Forward.

During the Iceland Besta-deild kvenna 2025 campaign, hrund hulda arnarsdottir made 12 appearances, scoring 0 goals and adding 0 assists. He averaged 0 goals per match from 0 shots, with 0 on target.