Anna, Called Hobblelegs 1990 on netflix

Anna, the witch girl, has one short leg and one long leg and is therefore only called the hobble witch. Anna trains until she is far superior to all the others in both running and sneaking races. When she even reaches the end of the world and outwits two clumsy giants who do not want any creature to escape from this terrible place alive, she realises that she can be proud of herself.