Check out the ipod armband holders. The original ipod is close to the size of an MVP but if you can't get one of those holders look for a universal one that stretches.
There is also these http://www.therunningbuddy.com/?gclid=CMnFtPXfob0CFQNufgodlo4AlA
There is also these http://www.therunningbuddy.com/?gclid=CMnFtPXfob0CFQNufgodlo4AlA