The story of endurance and eternity is heartbreaking in the wake of the Boston Marathon. There are no satisfiable answers to why these things happen. Just a raging desire to find comfort, any kind of comfort, in the face of a ghastly tragedy.
Although for me swimming is a solitary experience, a meditation, the people I have met at the various pools over the years and whose names I often don't even know have also helped me deal with my condition. I am certain they don't know it.