She won a bronze medal in the 4 × 200 m freestyle relay at the 2006 Commonwealth Games.

Fitch was one of the 14 swimmers who represented New Zealand at the 1996 Summer Olympics in Atlanta, United States.

[1] Fitch was in a team with Anna Wilson, Dionne Bainbridge, and Sarah Catherwood to compete in the 4 × 200 metre freestyle relay.

[4] Fitch won a bronze medal with Lauren Boyle, Helen Norfolk and Melissa Ingram in the 4 × 200 m freestyle relay at the 2006 Commonwealth Games.

In the 2008 New Year Honours, Fitch was appointed a Member of the New Zealand Order of Merit for services to swimming.