RELATED: Full Chase for the NASCAR Sprint Cup coverageMARTINSVILLE, Va. -- The gamesmanship may not be in full swing just yet between friendly rivals Jimmie Johnson and Matt Kenseth, but if nothing else, Johnson can claim he has Kenseth's number.Johnson, who avidly pursues distance running as a component of his extreme fitness regimen, had completed a 15-mile run two weeks ago. Last week, the five-time series champion upped the distance to 17 miles. ... More...