On April 3, 2013, the Florida Panthers of the NHL signed Racine a three-year entry-level contract and he began his professional career in the American Hockey League with the San Antonio Rampage. On April 1, 2014, Racine was recalled to the Florida Panthers where he skated 15:35 in his NHL debut against the New York Islanders before being returned the following day to San Antonio. Prior to the 2016–17 season, Racine was traded by the Panthers to the Montreal Canadiens in exchange for Tim Bozon on October 8, 2016. He was immediately assigned to begin the year with AHL affiliate, the St. John's IceCaps. He appeared in just 26 games with the IceCaps for 3 assists, before he was traded again, along with a 6th round pick in the 2017 NHL Entry Draft to the Tampa Bay Lightning for defenseman Nikita Nesterov on January 26, 2017. Racine was assigned to play out the remainder of the season with the Lightning's AHL affiliate, the Syracuse Crunch. As a free agent from the Lightning, Racine received limited NHL interest. On September 27, 2017, he was announced to have signed an AHL professional try-out contract to attend the Ontario Reigntraining camp. He was later revealed to have signed an AHL contract with the Reign upon his reassignment to the Manchester Monarchs of the ECHL on October 1, 2017. Approaching his sixth full professional season in 2018–19, Racine opted to continue his career in signing a one-year ECHL contract with the Brampton Beast on October 4, 2018. He was later loaned to AHL affiliate, the Belleville Senators and later signed to a AHL contract for the remainder of the season on November 6, 2018. He made 9 appearances with Belleville, contributing with 1 goal. As a free agent from the Senators, Racine opted to continue his career in the ECHL, agreeing to terms with the Maine Mariners on October 1, 2019. He was loaned to the AHL, signing a professional try-out with the Stockton Heat, affiliate to the Calgary Flames on December 10, 2019. After 7 games with the Heat, Racine left the team and North America, agreeing to a contract for the remainder of the season with Finnish club, Tappara of the Liiga on February 15, 2020.
