Shadow isn't fast because of his Rocket Shoes, is just because he's fast, even as fast as Sonic. : r/SonicTheHedgehog

Looks like Shadow's speed has been nerfed. Went from can keep up with Sonic no problem to can only keep up with his rocket skates : r/ SonicTheHedgehog

Shadow, Sonic & SEGA All-Stars Racing Wiki

Sonic The Hedgehog Heroes Sonic The Hedgehog / Sandbox - TV Tropes

Sonic the Hedgehog, The Codex Wiki

Who would win in a fight, Goku and Vegeta or Sonic and Shadow? - Quora

Does Shadow actually need the Rocket Skates to keep up with Sonic?Is he decent without them? : r/SonicTheHedgehog

If shadow is slower than sonic without his rocket shoes can he matches sonic speed if he removes the inhibitor rings? : r/SonicTheHedgehog

How powerful is Shadow from Sonic the Hedgehog? - Quora

Sonic Forces - Racing Battle App Price Intelligence by Qonversion

IDW Sonic Metal Virus Arc Reviews Deluxe Scripts: Newbie's Perspective – CrystalMaiden77

Why does Shadow need rocket shoes to run fast?

Let's spark up a debate. Do you think Shadow is only as fast as Sonic because of his rocket shoes? : r/SonicTheHedgehog

How fast would Sonic be with Shadow's rocket shoes? - Quora

Does Shadow actually need the Rocket Skates to keep up with Sonic?Is he decent without them? : r/SonicTheHedgehog

Sonic the Hedgehog, Death Battle Fanon Wiki