Of all of the Civilization games in the MAIN series, the ONLY one in the series which DOESN'T have a speed running community is Civilization 2. Maybe it's just not MEANT for speed running? Do they not add games which aren't meant for speed runs? Could I get it added? Or at least send a request for it to be added? Help would be appreciated.

Speedrun is one word, reeeeeeeeee

Also, https://www.speedrun.com/requestgame

But since it's part of a series you might not have to do that. Just talk to the series mods and see if they'll add it.

There's just one mod for the series, his contact information is on his profile page -> https://www.speedrun.com/user/aisforandis