Cavaliers

Rainbow played for Cavaliers, a Launceston-based team in the Tasmanian Netball League. In both 2011 and 2012 she was named in the TNL Under-19 All Star Teams and in 2013 she was named in the TNL Open All Star Team.^[2][8][9]

Victorian Netball League

Between 2015 and 2017, while attending Monash University, Rainbow also played for Monash University Storm in the Victorian Netball League.^{[4][10][11][12][13]} Since 2018 she has played in the VNL for Melbourne University Lightning.^{[14][15][16][17]}

Australian Netball League

Victorian Fury

In 2016 Rainbow was called up as a replacement player for Victorian Fury.^[10] She was subsequently included in the 2017 Fury squad.^[12][13][18] While a member of the Fury squad she also served as a training partner with Melbourne Vixens.^[1][3][19]

Tasmanian Magpies

In 2018 Rainbow began playing for Tasmanian Magpies.^[3][14] Together with Melissa Bragg, Gabrielle Sinclair and Cody Lange, Rainbow was a member of the Magpies team that won the 2018 Australian Netball League title.^[20][21] She was subsequently included in the 2019 and 2020 Tasmanian Magpies squads.^{[17][22][23][24]}

Collingwood Magpies

In 2018 and 2019 Rainbow served as a training partner for Collingwood Magpies.^[3][25][26] On 29 March 2018 she made her senior debut for Collingwood Magpies during the Tasmanian Netball Invitational Series at the Silverdome in Launceston.^[3][26][27]

National team

Rainbow was included in an advance Australia squad for the 2017 Netball World Youth Cup.^{[6][11][28][29]}