She is a two-time World Champion, an Olympian and won ten Australian national championship titles in sweep-oared boats, often at stroke.

Her early rowing training was undertaken at the New South Wales Institute of Sports on Narrabeen Lakes where she developed her skills before receiving support from the AIS.

[5] At the 2003 Australian Championships she won all three women's sweep boat national titles wearing Sydney colours in composite selection crews.

[9] In 2000 she made the Australian women's eight who won bronze at two World Rowing Cups in the lead up to the Olympics.

At the 2002 World Championships in Seville Spain, the Australian eight won their heat but were beaten out by the USA by 0.45 seconds in the final.

With Larsen setting the pace at stroke the Australians just held out the Germans and she won her second World Championship placing – a silver.

At Seville 2002 with Larsen in the bow, Victoria Roberts at stroke and Rebecca Sattin and Jodi Winter in the engine room, the Australian girls won their heat and beat Canada in the final to claim another World Championship title – Larsen's second.