It was the biggest-ever trek the annual fundraiser racking up more than 4000 kilometres through the Simpson desert.

The trek went as far afield as Oodnadatta, Birdsville, Inamincka before returning through Lightning Ridge and over the finish line in Tamworth on Saturday.

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The run's final fundraising night was spent in Lightning Ridge where the crew banked almost $10,000 with an auction night at the bowling club.

The run has raised hundreds of thousands of dollars over the years to ensure no one ever pays to be assisted by the rescue chopper.

Photos: Peter Hardin

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