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2026 U.S. Senate election in Massachusetts
Massachusetts will elect one U.S. senator in 2026 for the state’s Class II seat. The race matters because it will determine whether incumbent Democrat Ed Markey wins another term and because the seat is part of the broader balance of power in the U.S. Senate. Massachusetts is a strongly Democratic state in federal elections, so the main competition is expected to be in the Democratic primary, where Markey faces challengers including Rep. Seth Moulton. The race has centered on generational change, Markey’s long record in Congress, and contrasting views on how aggressively Democrats should confront national politics and policy priorities.
Candidates
Edward J. Markey
Ed Markey is the incumbent U.S. senator from Massachusetts and is seeking another term in 2026. His campaign and Senate biography emphasize a long record on climate, consumer protection, telecommunications, and other progressive policy areas, along with decades of prior service in the U.S. House and Massachusetts state legislature.
Seth Moulton is a U.S. representative from Massachusetts’s 6th Congressional District and a Democratic primary challenger to Markey. His campaign biography highlights his Marine Corps service, his work in Congress, and his pitch as a newer generation of Democratic leadership focused on change and urgency.
John Deaton is a Republican candidate for the Massachusetts Senate seat and previously ran statewide in Massachusetts. His campaign biography describes him as a Marine veteran, trial attorney, author, and advocate for people harmed by asbestos exposure and for cryptocurrency investors.
William Gates is a Democratic candidate in the Massachusetts Senate race and is listed by Ballotpedia as a declared candidate in the Democratic primary. His campaign website presents him as aligned with democratic socialist ideas and focused on broad economic and social reform.
Alexander Rikleen is a Democratic candidate in the Massachusetts Senate race and is challenging Markey in the primary. His campaign biography says he is a father, history teacher, and former sports writer who argues Democrats need a more forceful response to current national politics.
Nathan Bech is listed by Ballotpedia as a Republican primary candidate in the Massachusetts Senate race. Publicly available biographical detail was limited in the sources reviewed.
Philip Devincentis is listed by Ballotpedia as a general-election candidate in the Massachusetts Senate race. Publicly available biographical detail was limited in the sources reviewed.
Joseph Tache is listed by Ballotpedia as a general-election candidate in the Massachusetts Senate race. Ballotpedia’s candidate profile says his campaign emphasizes socialism, climate action, anti-war policy, and redistribution of wealth.
Shiva Ayyadurai is listed by Ballotpedia as a general-election candidate in the Massachusetts Senate race. Publicly available biographical detail was limited in the sources reviewed.
Morgan Dawicki is listed by Ballotpedia as a general-election candidate in the Massachusetts Senate race. Publicly available biographical detail was limited in the sources reviewed.
Polling
Data Analysis Information
Data compiled from public sources and analyzed using AI. Last updated 4/6/2026. Visit candidate websites for the most current information.