He cycled with his 15 year old son Jack Sinclair who became the youngest person to cycle across Australia.
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Sinclair has completed in endurance events including Ironman Triathlon, marathon running and ultra marathon cycling.
Upton Sinclair | Sinclair Lewis | Brendon Small | Sinclair | Iain Sinclair | Sinclair Broadcast Group | Keith Sinclair | John Sinclair | Clive Sinclair | Christine Sinclair | Sinclair Research | Brendon Urie | Brendon McCullum | Your Sinclair | Timex Sinclair 2068 | Stephen Sinclair | Sinclair QL | Sinclair QDOS | John Sinclair, 1st Baron Pentland | Cameron Sinclair | Archibald Sinclair, 1st Viscount Thurso | Sinclair Weeks | Patrick Sinclair | Murray Sinclair | Mary Craig Sinclair | Lord Sinclair | John Sinclair (poet) | John Gordon Sinclair | Jess Sinclair | Jeffrey Sinclair |