Rainbow Dash is usually a very take-charge kind of person, but even she can recognize when a problem won't be solved by going really fast, beating the crap out of something, or being the best at literally every sport. She's humble like that.
In this case, the problem is stationary, crapless, and unresponsive to even the most obscure athletic gear. That means it's time to call in the experts.
(Note: The following story isn't set at Camp Everfree, but this is the best picture I could get of these three without anyone else in frame.)