In February 2016, United States head coach John Mitchell included Hilterbrand as a reserve in the matchday squad for their opening match of the 2016 Americas Rugby Championship against, but he failed to make an appearance in the match.
United States head coach John Mitchell included Hilterbrand as a reserve in the matchday squad for their opening match of the 2016 Americas Rugby Championship against. This was in February 2016. He failed to make an appearance in the match.