Born and raised in Saskatoon, Saskatchewan, Kyle attended Bishop Mahoney High School, where she helped the soccer team win both the city and provincial titles.

In 2006, she played Canadian Interuniversity Sport (CIS) soccer at the university, making 14 appearances and scoring three goals with three assists.

She had two playoff appearances for the team contributing one goal and one assist as the Whitecaps fell in the Championship final.

[8][9] After playing a few games as a midfielder, Kyle shifted to a centre back position and helped strengthen a young defensive line.

As a defender, Kyle was a leading scorer for the Reign scoring three goals on the season, all of them penalty kicks.

On October 26, 2015, Kyle was acquired by the Orlando Pride along with Alex Morgan from Portland Thorns FC.

Kyle won bronze at the London 2012 Olympic Games, playing a prominent role throughout the tournament in Canada's midfield.

[19] She won her 100th cap with the senior national team at the 2015 FIFA Women's World Cup, during the round of 16 match against Switzerland.

[22] She hit the headlines in June 2019 when she stated that Canada's rivals the US should not have celebrated whilst scoring the last few of their goals during the 13–0 defeat of Thailand during the Women's World Cup of that year.