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The world's best athletes are arriving in Rio de Janeiro for this summer's Olympic Games.
Among them is rising star Morolake Akinosun, who is competing for the USA in the 4×100-metre relay.
Racing at the Olympics is the 22-year-old's dream - so Akinosun was startled when the app TimeHop reminded her of an old tweet of her teenage hopes from 2011, which she recently reshared:
Five years later, she's graduating from university at the end of the year - and making her Olympic debut.
Talk about #goals.
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