[3] Gawdin was allowed to bypass minor hockey a year early to play with the Seafair Islanders Midget A1 team.

[4][1] At the age of 15, Gawdin played major midget hockey with the Greater Vancouver Canadians while studying at McRoberts Secondary School.

[18] After attending the Calgary Flames 2018 training camp, Gawdin was reassigned to their American Hockey League (AHL) affiliate, the Stockton Heat.

[19] He made the Heat's opening night roster for the 2018–19 season[20] and recorded his first professional goal in a 6–5 loss to the Ontario Reign on October 6.

[24] In his sixth game, a 6–1 win over the Ottawa Senators on May 9, 2021, Gawdin registered his first NHL point; an assist on Michael Stone's goal.

[26] As an unrestricted free agent from the Flames after four seasons, Gawdin was signed to a two-year, $1.525 million contract with the Anaheim Ducks on July 13, 2022.

After a series of trades left the Ducks shorthanded, Gawdin was recalled by Anaheim on March 6, 2024 while leading the Gulls in goals and second in points.

[30] After two seasons within the Ducks organization, Gawdin left as a free agent to sign a two-year, two-way contract with the Los Angeles Kings on July 1, 2024.

[32] Gawdin has represented Team British Columbia at the 2012 Western Canada U16 Challenge Cup where he won a gold medal.