**Yes**,

In [Sanguine Pool's ability detail][1] (5th bullet point), it states,

> Even though not stated in the tooltip, Sanguine Pool also gives Vladimir a **37.5% movement speed boost for 1 second** upon activating the ability.


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This supports [doomy's answer](https://gaming.stackexchange.com/a/77831/20893). 

  [1]: http://leagueoflegends.wikia.com/wiki/Vladimir_the_Crimson_Reaper/Ability_Details#Sanguine_Pool