**Chris Pappas maintains a commanding lead in New Hampshire’s Democratic Senate primary due to his established name recognition as a four-term U.S. representative, substantial fundraising edge exceeding $13 million compared to under $210,000 for challenger Karishma Manzur, and broad endorsements from Democratic figures including retiring Sen. Jeanne Shaheen.** Pappas draws strongest support from moderates, liberals, and voters over 50. Manzur, a first-time candidate and Democratic Socialists of America member, has narrowed the gap through grassroots organizing and appeal to younger and progressive voters on issues such as universal healthcare, campaign finance reform, and foreign policy shifts. The latest University of New Hampshire poll from August 20-24 showed Pappas at 47% to Manzur’s 34% with 18% undecided, tightening from earlier double-digit or larger margins. With the September 8 primary just days away, limited time remains for further movement. Scenarios that could realistically alter the outcome include unusually high youth or progressive turnout or a late surge in undecided voters, though Pappas’s institutional advantages and internal polling showing wider leads continue to anchor trader consensus around his nomination.