What is the largest city in the world that doesn’t host a marathon?

[hajario]

@dolphinboy

However, when they built 280, that helped. But IMHO, San Jose was never considered a suburb of San Francisco.

That is objectively true. I’d maybe consider the peninsula and Marin a suburb of SF. The East Bay (Oakland/Berkeley) is its own thing as well.

[MrDibble]

@What_Exit

So likely one of them.

Like I said, it looks like Puning is the biggest Chinese city without one. And it’s much smaller than Kano.

Further afield - it looks like Maracaibo, Venezuela (pop. 2.2 mil) is the biggest South American city without a full marathon (they have a half).

And in Europe, it looks like Birmingham (2.6 mil) is the biggest without a full marathon (they tried once).
(@FlikTheBlue I’m assuming it counts if it occasionally hosts international athletics championships that include the marathon but doesn’t have a regular marathon of its own)

[Tamerlane]

Redacted.