A national champion, dual Olympian and two time Olympic silver medal winner, Lockwood represented at the international level for seven consecutive years.

On six occasions from 2010 to 2016 Lockwood was seated in the Victorian men's senior eight who contested the King's Cup at the Interstate Regatta within the Australian Rowing Championships.

[5] At the 2012 London Olympics, Lockwood won a silver medal in the Australian men's coxless four with Drew Ginn, James Chapman, and Josh Dunkley-Smith.

[7] At the 2015 World Rowing Championships on Lac d'Aiguebelette, Aiguebelette in France he won the silver medal in the men's coxless four[8] in a crew with Spencer Turrin and Josh Dunkley-Smith and Alexander Hill.

[9] Lockwood retired at the end of 2017 citing a desire to build a career in the construction industry whilst still coaching schoolboy rowing in Brisbane.