Fastest Race

[Milo v3]

Which medium sized race has the largest base land speed without any enhancement bonuses?

[Xenogears]

Fastest I know of is the anthropomorphic light horse (60ft IIRC) but if you want a more.... normal race you could try Nezumi from OA with a base speed of 40ft.

[VGLordR2]

There's a handbook (http://brilliantgameologists.com/boards/index.php?topic=13532.0) with a list of fast races.