Initially she was unsure about the sport and her parents had to give her a small push to join a competitive club.

The 2006 Commonwealth Games, held in Melbourne, Australia, were Morningstar's debut on the Canadian national team.

[1] The 2006 Pan Pacific Swimming Championships, held in Victoria, British Columbia, were Morningstar's second event as a part of the Canadian National Team.

The 4 X 100m Freestyle relay that was anchored by Erica won a silver medal, defeating the Australians by 0.01 seconds.

After returning from the 2008 Olympics, Morningstar joined the University of Calgary Varsity Swim Club, and started pursuing a degree in Communications.

She excelled at the varsity level with the University of Calgary, went on to represent Canada in the 2010 Pan Pacific Championships, and the 2010 Commonwealth Games.

Morningstar won Female athlete of the year at the U of C for the first time and once again was unbeatable in the CIS Championships with another 7 gold medals added.

In the 100m Breaststroke, Morningstar showed her versatility in the water by swimming the 5th fastest short course time in the world in 2011.