PHOENIX — John Zeto didn’t set out to be a hero after retiring from a decades-long career as a firefighter, but when the moment came, he was as ready to help as he was in the firehouse.
Zeto is a retired firefighter who spent the better part of the last year on Arizona’s toughest hiking trails.
But he doesn’t just go out for the views — he goes to push and test his fitness, following a training plan given to him by a friend with the Phoenix Firefighter Department…