Born in
Tours, Lemoine joined for the 2014 season, after his previous team – – folded at the end of the 2013 season. He remained with the team until the end of the 2020 season, when he signed a one-year contract with , later renamed for the 2021 season. In June 2021, Lemoine was forced to abandon the
2021 Tour de France, after being involved in a crash on the opening stage, suffering broken ribs and a
collapsed lung. ==Major results==