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Welcome to Talking Sport!
Training for the Olympics is very hard.
Some athletes train for years and still don't make it to the Games.
One athlete who has been training for the Olympics is Merlin Diamond.
Merlin is a sprinter from Namibia.
Join Natalie in this week's video to find out more about how Merlin's training is going and learn the word 'frustration'.
Now tell us what you think
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