There's a lot of hard work and mental discipline one can put in to training for rigorous open water swimming.
For Carson Valley resident Dave Brockhage, though, it came down to showers with an icy garden hose on cool mornings outside the Carson Valley Swim Center.
"You have to do that, in order to prepare your body for the shock," said Brockhage, who has become somewhat of a swimming adventure hero over the past two years. "It lessens the chance of hypothermia."
Brockhage, 54, recently completed a 10K swim in the San Francisco Bay from the Golden Gate Bridge to …