Marriage isn’t a sprint – so why not get married during a marathon? Texas couple Dave and Susie Comstock are proving they’re in it for the long run! After meeting in a running club, they tied the knot at Mile 20 of their favorite race, the Boston Marathon. But their love hasn’t come without challenges, including surviving the Boston Marathon bombings and Susie’s cancer diagnosis. This is one unbelievable love story that will grab you by the heart!