ShareThe entrance to Cathedral Pines Campground is not in Hopkinson, Massachusetts. Tiana Thomas did not have to queue up and wait to begin her Boston Marathon. She just had to stretch, thank the family and friends gathered for coming, and step underneath the homemade starting line created by her mother.Just after 8 a.m. Saturday morning, Thomas was off. The small crowd of a dozen friends and family cheered, and Thomas’ first steps came with a smile.With Boston an epicenter for the Covid-19 pandemic in the United States, the annual Boston Marathon was first postponed from April to...…ShareThe entrance to Cathedral Pines Campground is not in Hopkinson, Massachusetts. Tiana Thomas did not have to queue up and wait to begin her Boston Marathon. She just had to stretch, thank the family and friends gathered for coming, and step underneath the homemade starting line created by her mother.Just after 8 a.m. Saturday morning, Thomas was off. The small crowd of a dozen friends and family cheered, and Thomas’ first steps came with a smile.With Boston an epicenter for the Covid-19 pandemic in the United States, the annual Boston Marathon was first postponed from April to...WW…