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CJ Cross takes belongings from runners before the start of the 27th annual Parkway Classic at the Mt. Vernon estate on April 10, 2011. The belongings would be taken to the finish lane to be retrieved.Joe Buchy gets a bagel from a bulk bag before the start of the 27th annual Parkway Classic at the Mt. Vernon estate on April 10, 2011.Dolores Grenier, left, laughs at a joke from Andrea Dollar, right, before the start of the 27th annual Parkway Classic at the Mt. Vernon estate on April 10, 2011.Rick Coe, foreground, leads runners in warm-up excercises before the start of the 27th annual Parkway Classic at the Mt. Vernon estate in April 10, 2011.Runners partcipate in warm-up excercises before the start of the 27th annual Parkway Classic at the Mt. Vernon estate on April 10, 2011.Seven thousand runners were registered in the 27th annual Parkway Classic, which started at the Mt. Vernon estate on April 10, 2011. Runners had the option of a 10-mile or 5K course.The course of the 27th annual Parkway Classic started at the Mt. Vernon estate, headed through the George Washington Memorial Parkway and finished in Old Town, Alexandria, on April 10, 2011.