Here are the requirements for the 2-mile run site:
- must be 2-miles long (measured).
- must have a solid surface
- must have a grade no steeper than 3-percent grade.
Sound judgment must be used in the selection of a 2-mile run course. There is no requirement to survey the course; however, selected test sites should be free of significant hazards such as traffic, slippery road surfaces, and areas where heavy pollution is present.
Extracted from FM 7-22 Appendix A