Grégoire Arfeuil was born on December 5, 2004, in Beaune. He started playing rugby union in 2014 with the ARC Vitré.[1] In 2015, he joined US Lectoure, then the academy of SU Agen in 2019. In 2020, he returned to Lectoure before joining Béarn and the academy of Section Paloise.[2]