The racer mechs started by Legohaulic have inspired various versions created by other builders. The simple and sturdy design of the basic frame (building instructions) allows for much diversity to these runner machines, as you can see below.
Mechs from top left created by: Legohaulic, Proudlove, Nannan, arpy , peterlmorris , Legohaulic, -: Evo :-, Hase0, Pyreƒyre, and legovaughan.
But that’s not all folks, there’s certainly a few more that you should check out. See them all in the flickr Racer Mecha pool.