Okin is particularly worried about the Wilbur J. Cohen Building, the original home of the Social Security Program and several historic murals.
The two-day event includes practices, qualifiers and warmups, culminating in the 250-mile race on Sunday afternoon.
Racing along the route, at about 180 mph, around a 1.7-mile irregularly-shaped track on the National Mall, they will zoom past institutions including the National Gallery of Art, the National Archives Building and the Smithsonian's National Air and Space and Hirshhorn Museums.


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