Nick Donaldson's hexapod walker Ziggy retained his Gold Medal for the seventh year in a row at RoboGames 2010. The Walker
Challenge is an offroad race for walking robots over a debris field including 2x4s, PVC pipe and old disk drives followed by a 2x4 staircase. Ziggy is currently the only robot in the competition to be undefeated and holds seven gold medals in the Walker Challenge.