Take Metro to the Clarendon stop, right in the middle of the race course. From the Virginia Beltway, take I-66 east to exit 73, exit to Lee Highway, turn right on Queen Street, turn right on Wilson Blvd. Find parking on residential streets adjacent the race course.
This photo qualifies for the contest as a sports photo. This was taken with a relatively long shutter speed, while panning to track the races, so that the background is blurred.
The Annual Clarendon Cup races are held in the Clarendon shopping district of Arlington VA on the first Saturday morning of June each year. The current sponsor is the United States Air Force. Search "Clarendon Cup" using your favorite search engine.