Rio Olympics 2016: Maya DiRado pulls upset over Katinka Hosszu for backstroke gold

(Getty Images) Earning her fourth medal at her first and only Olympics, American Maya DiRado pulled a huge upset in finals of the 200-meter backstroke Friday night in Rio.

Swimming next to race-favorite Katinka Hosszu of Hungary, DiRado trailed "The Iron Lady" the whole race until the final five meters before diving backwards to the wall to out-touch Hosszu by 0.06 seconds.

DiRado's time of 2 minutes, 5.99 seconds is the fifth-fastest time in event history.

Hosszu, who already won the 100 backstroke and 200 individual medley while breaking the world record en route to winning the 400 individual medley, now has four individual medals.

Hilary Caldwell of Canada earned the bronze with a time of…