Maine Democrats Race to Replace Graham Platner and Challenge Sen. Susan Collins

Former Senate nominee Graham Platner withdrew in early July 2026 after a former partner accused him of rape, an allegation he denied. With the filing deadline passed, the Maine Democratic Party opened a rapid-track process to select a new nominee. On July 16 2026, eight candidates debated in Portland, and a second debate is slated for July 23 2026. The party’s 601-member convention will convene in Bangor on July 25 2026, with a legal deadline of July 27 2026 to file the replacement name for the November ballot against five-term Republican Sen. Susan Collins.

CNN

Platner’s insurgent campaign had surged to 72 % of the June primary vote before his exit, leaving Democrats without a clear front-runner. The seat is the only GOP Senate seat up for election in a state that backed Democrat Kamala Harris in 2024, making it a focal point for control of the U.S. Senate.

New Hampshire Pubic Radio

• Shenna Bellows – Secretary of State, former 2014 Senate challenger.

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• Troy Jackson – Former Maine Senate president, logger from Aroostook County.

New York Times

• Dr. Nirav Shah – Former Maine CDC director, 2022 gubernatorial primary front-runner.

Bangor Daily News

• Jordan Wood – Former congressional aide, 2022 2nd-District primary third-place finisher.

Portland Press-Herald

• Dan Kleban – Co-founder of Maine Beer Company, brief 2025 Senate entrant.

Washington Examiner

• David Costello, Elizabeth Dickerson, Paige Loud, Ashley Webb, and others comprise a field of 12-13 declared candidates.

Bangor Daily News

• Sen. Susan Collins – Incumbent Republican, chair of the Senate Appropriations Committee.

The Hill

• Early July 2026 – Platner announces withdrawal.

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• July 16 2026 – First televised debate (four top candidates).

Boston Globe

• July 22-23 2026 – County meetings select 500 of the 601 delegates.

WMTW - Portland News

• July 23 2026 – CNN/Bangor Daily News debate.

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• July 25 2026 – Bangor convention votes for nominee.

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• July 27 2026 – Deadline to submit nominee for ballot.

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• 601 delegates will vote (101 state-committee members + 500 county-selected delegates).

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• Candidates must submit 500 signatures, including 50 from at least eight counties.

WMTW - Portland News

• Over 5,000 Maine Democrats have registered to attend county meetings or serve as delegates.

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• The field includes four candidates who earned >=20 % of the vote in June primaries and nine additional hopefuls.

New York Times

Control of the Senate hinges on the Maine race; Democrats need to flip Collins’ seat to secure a majority. The rapid nomination process compresses campaign development, forcing candidates to rally volunteers, secure delegate slates, and articulate a platform that both honors Platner’s progressive base and appeals to independents.

Washington Examiner

Candidates uniformly framed their campaigns around Platner’s progressive agenda: Jackson pledged support for Medicare for All, Shah called for the abolition of ICE, Wood echoed Platner’s description of Israel’s actions as a genocide, and Bellows emphasized dismantling what she called a “deeply corrupted” democracy.

The Hill

Sen. Collins and Independent Sen. Angus King responded to the fatal ICE shooting in Biddeford by urging an independent investigation, while Collins defended recent appropriations that funded the agency.

The Hill

The accelerated delegate selection has drawn criticism. Social-worker candidate Paige Loud warned that “wealthy candidates… can pretty much purchase delegates,” questioning the process’s democratic legitimacy. Critics also note the lack of substantive policy differentiation among Democratic hopefuls, with several observers describing the debate as “civil but indistinct.”

Maine Public Radio

An ICE officer’s fatal shooting of Joan Sebastián Durán Guerrero in Biddeford sparked protests outside Collins’ office and prompted candidates to call for ICE’s abolition or removal from Maine. Demonstrations featured Jackson, Shah, and Bellows, underscoring immigration enforcement as a flashpoint in the race.

The Hill

Sources differ on the exact number of declared candidates (12, 13, or “more than a dozen”). Details of the county-level voting mechanics remain unclear, with party officials acknowledging that “nothing is set in stone” regarding delegate loyalties.

WMTW - Portland News

• “I’m angry that there’s a 3-year-old girl that’s never going to see her father again,” — Dr. Nirav Shah, former Maine CDC director

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• “I remember a day when the thugs weren’t in the government, and they didn’t have arms,” — Shenna Bellows, Secretary of State

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• “It’s a rogue agency that goes around doing things that they’re being told to on high,” — Troy Jackson, former Maine Senate president

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• “We are in a perilous situation, and there is no perfect way to deal with an unprecedented situation like this,” — Jordan Wood, Senate candidate

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• “I think people are sick and tired of career politicians,” — Dan Kleban, Maine Beer Co. co-founder

CNN

CNN and the Bangor Daily News will host a second debate on July 23 2026. Delegates will convene in Bangor on July 25 2026 to select the nominee, with the party required to file the name by July 27 2026 for the November ballot.

CNN