He is widely considered the greatest triathlete of all time.

He is the only male athlete to have won back-to-back Olympic triathlon gold medals, at London 2012 and then Rio, as well as four world and European titles - and yet Alistair Brownlee is still perhaps best known for the touching moment he helped his exhausted brother Jonny over the line at a World Series event in Mexico.

A brotherly instinct that went viral.

"Well, I think you can be slightly embarrassed by the moment - but proud to get recognised at the same time," he said.

"It's also slightly strange as an athlete because you feel like you should get recognised for the scale of your achievement, and that felt like a failure on the day, but it's nice.

"I think for both of us it took our sport of triathlon to a new audience,

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