Alternatively, bikes. Folding bikes have been used for paratroopers and military purposes for decades. And they can go much faster than a 4 minute mile. http:/

Alternatively, bikes. Folding bikes have been used for paratroopers and military purposes for decades. And they can go much faster than a 4 minute mile. http://en.wikipedia.org/wiki/Folding_bicycle http://en.wikipedia.org/wiki/Folding_bicycle http://en.wikipedia.org/wiki/Bicycle_infantry http://en.wikipedia.org/wiki/Bicycle_infantry