If you outrun someone, you run faster than they do, and therefore are able to escape from them or to arrive somewhere before they do. There are not many players who can outrun me
If one thing outruns another thing, the first thing develops faster than the second thing. Spending could outrun the capacity of businesses to produce the goods. = exceed, outstrip
To exceed, or leave behind, in running; to run faster than; to outstrip; to go beyond
The form outrun is used in the present tense and is also the past participle of the verb