The next time you see Charlotte, they might be wearing black instead of red. They've completed 50 good deeds with GoodGym and have earnt their black t-shirt. Give them a nod when you next see them.
Charlotte has just run their first 10k. 10,000 metres would take you most of the way across London. It's far. Charlotte now knows a bit of what it might be like to be Mo Farah.