When Daniel ‘Joe’ Einspahr, M.D., and his son bike into Virginia Beach next summer, they will have more than one reason to celebrate. Not only will the day mark the completion of a father-son cross-country bike trip that has spanned eight summers, 11 states, and over 3,000 miles, but also triumph over one major obstacle: stomach cancer.

Starting a cross-country bike trip

The cross-country journey began in summer 2014 when...