In 1999 he won a bronze medal in the long event at the Junior World Orienteering Championships in Varna, Bulgaria.

[2] In 2006 he achieved Australia's best ever men's result at a Senior World Orienteering Championships placing 7th in the sprint event in Nagoya, Japan.

He was also a member of Australia's relay team that placed 6th at the 2001 World Championships in Tampere, Finland.

The world's biggest relay event, Jukola, was won by Turun Suunnistajat in 2001 with Troy running the 'long night' leg for the team.

[3] In later years he has placed at national mountain running championships and international tower running races including Q1 (building), Fernsehturm Stuttgart, Swissotel The Stamford Singapore and Taipei 101.