What are the fastest and slowest Pokemon in SwSh in terms of overworld following speed?

Question

This is really trivial, I know, but I really like to see my Pokemon in the overworld and I can't find any reliable information. I think the slowest is Meltan, and I'm not sure which is the fastest (I've seen some people say Arcanine, Zoroark, Liepard, and Boltund, and Pokemon like Pheromosa seem fast too, but I've never seen a definitive answer), but if anyone has any information, I would greatly appreciate it.

This question is NOT asking about base stats. Do not say "Regieleki and Shuckle".

Comments

I’d say the fastest is the Galarian slowpoke that one time

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I mean if there is no definitive answer or too trivial I'm fine with it being closed.

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I think teleporting Pokémon such as Hatterene can technically go the fastest since they can Teleport long distances quickly.
https://twitter.com/GigaMan91/status/1197253154351378432?s=20

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I believe Galarian Zapdos is fastest in DLC.