You never know where you'll find your next best friend. For 41-year-old Dion Leonard, it was on a hot, desolate desert in China.

The Australian ultramarathon runner was in the Gobi desert on June 18, 2016, when he noticed the cute little stray dog he had seen at camp the night before.

He says the pooch seemed to like the bright yellow color of his shoes and kept up with him on the run.

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