Teams from Britain, Switzerland, Poland, Lithuania and Australia compete in the men's quadruple scull heat heat during the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, Aug. 6, 2016. (AP Photo/Andre Penner)

In Rio’s Olympic water, it’s all about avoiding the splash

There’s a contradictory mission for rowers competing in this year’s Summer Olympics. Get into your boat, work your hardest — but try to avoi…