It could mean many things. The fact that you're not going anywhere could mean that you are stuck in the same place and if you don't face whatever is behind you, you'll never be able to move forward. Have you tried going in a different direction?

Something that has worked for me in a lot of scary situations (although it does require remembering to do this) is spinning. Spinning nearly always transports me to a completely different dreamscape.

According to the Complete Dream Dictionary (pg 243),When you run in a dream, it can be either toward or away from something; you might want to escape from something or to reach toward a goal. Depending on the circumstances, the dream might indicate that you need to hurry, or that you're rushing around too much and need to rest. Are you running alone or with others? The former might symbolize that you will overcome your competition in business matters, while the latter might represent your participation in a joyous occasion.