The Democratic primary for Massachusetts’ 8th Congressional District on September 1 remains tightly contested between incumbent Representative Stephen Lynch and challenger Patrick Roath, with traders pricing the race near even odds. Lynch’s long tenure and established name recognition in the district provide a structural edge, while Roath’s recent Boston Teachers Union endorsement, stronger second-quarter fundraising, and emphasis on generational change have narrowed the gap. A first poll circulated by the Roath campaign showed the challenger pulling ahead once voters received basic information on both candidates, underscoring the importance of visibility and messaging in the coming months. Minor candidate Andrew Zylberfink trails far behind. Key upcoming catalysts include further union endorsements, candidate forums, and voter outreach that could shift support before ballots are cast.