He’s been cycling on a bike since this morning.
But now Nick Grimshaw has completed a whopping 12 hour bike ride outside BBC Broadcasting House for Sport Relief.
Nick started at 7AM and finished at 7PM.
Tweeting on his Twitter account the 29-year-old said:
Then he added:
Nick was joined by lots of famous faces during the day including Daisy Lowe, McBusted, Laura Hamilton and Danny Dyer as he cycled in a perspex box.
Good for him!!
He must have raised so much money.