Taking part in the Olympic Games is no walk in the park, with athletes training and competing intensively in order to secure a spot on the team.
Not to mention the immense pressure they're under with all eyes on their Olympic performance, it's certainly not for the faint-hearted.
But the reward that comes with competing can be one of the greatest honours of all, from representing your country to taking your place on the podium.
A former Olympic star has opened up about her experience from the Games, from "permanent butterflies" and feeling "so alive" to the grim realities of "training within an inch of your life for four years".
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