Along with veteran skip Kim Dolan at third, the team would find success finishing fourth in round robin with an 8–3 record.
The team would defeat Kathy O'Rourke in the Provincials playdowns and would represent Prince Edward Island at the 2003 Scott Tournament of Hearts.
They would lose the 1-2 page playoff game to team Canada's Colleen Jones, and would have a chance to move forward in the semi-final.
In 2005 modifying their line up, adding Shelly Bradley to third, MacDonald would go undefeated in the provincials to win and advance to the 2005 Scott Tournament of Hearts.
They would finish in a tie for fourth place and face team Canada's Jennifer Jones, where they would lose the tiebreaker giving up a steal of 1 in the extra end.
In 2010, MacDonald playing third for Robert Campbell (skip), Robbie Doherty (second) and Jackie Reid (lead), would win the Prince Edward Island provincial mixed championship.
[12] MacDonald and Campbell would advance to the 2011 World Mixed Doubles Curling Championship where they would finish with a 4–3 record, failing to qualify for the playoffs.
[15] Playing third for Robert Campbell (skip), along with Robbie Doherty (second) and Jackie Reid (lead), the team would win their second provincial in two years and will compete at the 2013 Canadian Mixed Curling Championship.