Instead of rounding the high school track your local park is a perfect fit for supplanting that insipid leftward curvature. Be sure you incorporate the existing trees and poles and dips and berms to disrupt the monotony with creative confusion.
https://docs.google.com/file/d/0Bzn5rE6R1vwlbkpxZUtQSFJsd00/edit?usp=docslist_api
Grass Is Greener Fitness 