Clarendon Day Run 10K
Started in 2009, the Clarendon Day Run 10K coincides with the annual Clarendon Day Festival. The course starts at Whitlow’s on Wilson and ends up in Rosslyn. This year’s run will be held Sept. 17. There’s also a 5K for those looking for a lighter challenge. –MR 3100 Clarendon Blvd., Arlington