Board Thread:Naruto Discussions/@comment-32617252-20180330183206/@comment-31099706-20180429181307

Ninja Of War wrote: ^I do recall Madara calling Tobirama the fastest shinobi of their generation... Just like Minato was considered the fastes in the world. Even though, it can be argued as he possesed FTG.

Now to think of it, both of the FTG users were mentioned to be the fastest, without a single speed feat by foot. It can be easily assumed that they are just considered as fast because of their FTG.