Blais started the World Cup for the first time in Dordrecht in February 2016 and finished 20th and 14th in the 1000 m. In the 2018/19 season he achieved his first podium finishes in the individual World Cup with third place over 500 m in Dresden and Turin and ninth place in the World Cup over 500 m at the end of the season. He also won in Almaty with the mixed relay. The following season he took second place over 1000 m at the World Cup in Dordrecht and won the silver medal with the relay at the Four Continents Championships in Montreal in 2020 .