Throughout her youth and senior career, Hudson has continued to play for her home club, Labrador.[4] Located in her home town, the Gold Coast, Labrador has been Hudson's club since her introduction to hockey at age 5.[1]
Marnie Hudson made her debut into Hockey Australia's premier domestic competition, the Australian Hockey League (AHL), in 2008.[5] She played for her home state, as a member of the Queensland Scorchers.[3] She represented the team on five occasions, spanning from 2008 to 2012. During this time, she won three consecutive silver medals, in 2008, 2009 and 2010.[6]
In 2008, Hudson made her first appearance for her country as a member of the Australia U–21 side. the Jillaroos, at the Junior Oceania Cup in Brisbane.[7] At the tournament, Australia won gold, directly qualifying to the 2009 FIH Junior World Cup in Boston.[8]
Hudson represented the team on two occasions in 2009. Her first tournament was at the 2009 Australian Youth Olympic Festival in Sydney, winning a silver medal.[8] This was followed by an appearance at the FIH Junior World Cup, where the team finished 5th.[4]
Following standout performances for the Jillaroos, Hudson was first named to the Australia squad in 2011. She also made her debut that year in a four-nations tournament in Mendoza.[2][9] Her first and only major tournament with the team was the 2011 Champions Trophy in Amstelveen.[10] The team finished in 6th position, with Hudson scoring twice.[11][12]
