Where's Walter The Wacky Walker by Athletic Design

App version at Google Play here
Original Flash-version here

Short version

Find Walter and stop him ASAP!.

Long version

This is an animated version of the classical Odd One Out puzzle.

Find the foolish walker among all the noble runners.

If you find him, you will be awarded points based on how much time there is left.

Walter the walker will however find a new - and bigger - race to make a fool of himself.

Can you spot him among hundreds of runners?