[7] From 2011 to 2015, Blackwood played for the Saint Anne de Bellevue RFC and during this time, in 2012 she was selected to the Rugby Quebec provincial team.

[8] In preparation for the 2017 World Cup, Blackwood trained with the Stade Toulousain women's rugby team where she was after a one-year contract starting in September 2015.

[13] Often selected as a lock, but sometimes played as a flanker, Blackwood's international test match experiences include the 2013 November tour to France and England,[14][15] the 2014 tour to Australia,[16][17] the 2014 World Cup, the 2015 Super Series in Alberta (during this tournament, she was considered Canada's standout player at openside flank),[18] 2016 Super Series in Salt Lake City,[19] the 2016 UK tour,[20] the 2017 Can-Am Series,[21] and the 2017 World Cup.

Blackwood was selected for 2017 NZ Summer Series but suffered a leg injury during a club game and considering retirement, but healed in time for the 2017 World Cup.

[4][22] When Blackwood announced her retirement in March 2018, she already started her career as a public service employee of the British Columbia's provincial government.