Regatta draws rowers, throngs to banks of the Charles — Gallery

Some of the world's best rowers convene at boathouses in Boston and Cambridge this weekend to engage in the 51st Head of the Charles Regatta, a two-day fest of brawn, stamina and skill with oar and helm that pits 11,000 athletes against one another and the unrelenting clock. In addition to competitors from 28 countries, the races that go on all day typically attract as many as 400,000 spectators, which can lead to clogged streets and lane closures along Soldiers Field Road/Storrow Drive in

Some of the world's best rowers convene at boathouses in Boston and Cambridge this weekend to engage in the 51st Head of the Charles Regatta, a two-day fest of brawn, stamina and skill with oar and helm that pits 11,000 athletes against one another and the unrelenting clock. In addition to competitors from 28 countries, the races that go on all day typically attract as many as 400,000 spectators, which can lead to clogged streets and lane closures along Soldiers Field Road/Storrow Drive in Bost…