Last updated at 07:48

Amir Khan explains how he trains during Ramadan

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British boxer Amir Khan has been explaining to Newsround how he trains during Ramadan.

It's one of the biggest events in the Muslim calendar when lot of Muslims decide not to eat or drink from sunrise to sunset.

For athletes who are training, that can be a huge deal, as they need food and drink to give them energy.

So how does Amir cope? Sarwat Jaleel spent the day with him to find out.

To find out more about Ramadan read our guide.