Why is everyone talking about Sir Mo Farah racing Luke Littler – and who really would win?

We know Sir Mo can finish a 10,000m race well, but what are the man’s nine-dart finishes like? (Picture: Stu Forster/Getty Images)

Have you ever sat on a particularly long train ride somewhere? Or waited in a queue for five hours to get back through passport control at Gatwick Airport? Or perhaps you’re the sort of person who likes to talk to strangers in pubs. If any of these apply to you, then you’ll know the value of a good hypothetical.

There are the classics like, ‘if you could have a conversation with any famous dead person from history, who would it be?’ And there are the ones that go viral such as, ‘who’d win in a mass brawl between a gorilla and a hundred men?’

They’re daft, but they stimulate conve...