During 200 m freestyle events , swimmers spend about twice as long turning .
During 200 m freestyle events , swimmers gliding in the short - course pool than in the long - course pool ( Keskinen et al. , 2007 ) .
During 200 m freestyle events , swimmers spend about twice as long turning and gliding in the short - course pool than in the long - course pool ( Keskinen et al. , 2007 ) .